My Inquiry
My Account
NXP Semiconductors 74LVCH32244AEC,557
- Part No.:
- 74LVCH32244AEC,557
- Manufacturer:
- NXP Semiconductors
- Package:
- 96-LFBGA
- Datasheet:
-
74LVCH32244AEC,557.pdf
- Description:
- IC BUF NON-INVERT 3.6V 96LFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,051
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
74LVCH32244AEC,557 from NXP Semiconductors (formerly Philips) is a 32-bit non-inverting buffer/line driver with 3-state outputs, designed for mixed-voltage system interfacing. It operates from 1.2 V to 3.6 V supply, tolerates 5 V inputs/outputs up to 5.5 V, features bushold on all data inputs, and delivers 3.0 ns typical propagation delay at 3.3 V - enabling reliable signal buffering in high-density memory and bus interface applications.
For engineers reviewing the 74LVCH32244AEC,557 datasheet, 74LVCH32244AEC,557 pinout, 74LVCH32244AEC,557 application, or 74LVCH32244AEC,557 equivalent, this device is selected for 3.3 V core logic systems requiring 5 V-tolerant I/O, low-noise 3-state control, and elimination of external pull-up resistors via integrated bushold circuitry.
Technical Context
The 74LVCH32244AEC,557 implements eight independent 4-bit non-inverting buffers, each controlled by an active-low 3-state output enable (1OE–8OE). Its Si-gate CMOS architecture supports simultaneous 3.3 V operation and 5 V signal handling without level shifters.
All 32 data inputs include bushold circuitry that sustains logic states without external biasing; outputs drive ±24 mA at 3.0 V while maintaining VOH ≥ VCC − 0.8 V and VOL ≤ 0.55 V under full load - critical for noise-immune backplane and memory module designs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 1.2 V to 3.6 V - enables direct integration into low-voltage SoC subsystems while supporting legacy 3.3 V rails. |
| Input/Output Tolerance | Up to 5.5 V - allows safe connection to 5 V buses without clamping diodes or external protection. |
| Propagation Delay | 3.0 ns typical (CL = 50 pF, VCC = 3.3 V) - ensures timing compliance in high-speed address/data latching paths. |
| Bushold Input Circuitry | Integrated on all 32 data inputs - eliminates need for 32 external pull-up resistors, reducing BOM count and board space. |
| 3-State Enable/Disable Time | 3.5 ns enable / 3.7 ns disable (CL = 50 pF, VCC = 3.3 V) - minimizes bus contention windows in multiplexed memory or peripheral interfaces. |
| Operating Temperature | −40 °C to +85 °C - qualified for industrial and extended-temperature embedded control environments. |
| ESD Protection | HBM > 2000 V, MM > 200 V - provides robust handling during PCB assembly and field service. |
Pinout & Package
74LVCH32244AEC,557 is packaged in a plastic LFBGA96 (SOT536-1) package: 13.5 mm × 5.5 mm × 1.05 mm body, 96-ball fine-pitch array with 0.5 mm pitch, optimized for low-inductance power delivery and minimal ground bounce.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A1, A2, B1, B2, C1, C2, D1, D2, E1, E2, F1, F2, G1, G2, H1, H2, J1, J2, K1, K2, L1, L2, M1, M2, N1, N2, P1, P2, R1, R2, T1, T2 | Data output (Yn) | 32 dedicated buffered outputs grouped as eight 4-bit banks (1Y0–1Y3 through 8Y0–8Y3), each pair routed to minimize skew. |
| A5, A6, B5, B6, C5, C6, D5, D6, E5, E6, F5, F6, G5, G6, H5, H6, J5, J6, K5, K6, L5, L6, M5, M6, N5, N6, P5, P6, R5, R6, T5, T6 | Data input (An) | 32 data inputs with bushold - hold last valid logic state when floating, removing need for external biasing. |
| A3, A4, H3, H4, J3, J4, T3, T4 | Output enable (nOE) | Eight active-low 3-state controls (1OE–8OE), each enabling/disabling one 4-bit output bank independently. |
| C3, C4, F3, F4, L3, L4, P3, P4, T3, T4 | VCC | Nine dedicated supply pins distributed across package - reduce IR drop and improve transient response under switching loads. |
| B3, B4, D3, D4, E3, E4, G3, G4, K3, K4, M3, M4, N3, N4, R3, R4 | GND | Sixteen ground balls - provide low-inductance return paths to suppress ground bounce in high-speed 32-bit switching. |
Key Features
| Feature | Design Value |
|---|---|
| 5 V tolerant I/O | Accepts and drives up to 5.5 V signals while powered from 1.2–3.6 V - enables seamless interconnection between 3.3 V logic and legacy 5 V peripherals. |
| MULTIBYTE flow-through pinout | Standardized ball mapping aligns input/output pairs per byte group - simplifies PCB routing and reduces trace length mismatch in parallel buses. |
| Low-power CMOS design | ICC ≤ 40 µA quiescent current at 3.6 V - minimizes standby power in always-on industrial controllers and battery-backed modules. |
| JEDEC JESD8-B/JESD36 compliance | Meets industry-standard voltage thresholds and timing for low-voltage CMOS interoperability - ensures predictable behavior across vendor ecosystems. |
| High ESD immunity | HBM > 2000 V - protects against electrostatic discharge during handling and board-level testing without added protection components. |
Applications
| Memory Module Interface | Industrial Backplane Buffer |
|---|---|
Use Scenario: Driving address and data lines between a 3.3 V FPGA controller and DDR SDRAM modules operating at 2.5 V or 3.3 V with 5 V-tolerant I/O requirements. IC Role / Device Role / Timing Role: Non-inverting 32-bit buffer providing level translation, bus isolation, and 3-state control for shared memory access arbitration. Use Value: Eliminates discrete level shifters and pull-ups while meeting tPHL ≤ 4.1 ns timing budget for 100 MHz memory clock domains. |
Use Scenario: Interfacing multiple 3.3 V microcontrollers to a common 5 V industrial backplane carrying sensor data and control commands. IC Role / Device Role / Timing Role: Bidirectional 32-bit line driver with independent 3-state enables, isolating nodes during hot-swap or fault conditions. Use Value: 5.5 V I/O tolerance prevents latch-up during voltage transients; bushold maintains bus state during MCU reset sequences. |
| Automotive Infotainment Bus | Test Equipment Signal Conditioning |
Use Scenario: Buffering audio codec control signals and display interface lines in a vehicle head unit where MCU (3.3 V) and display driver (5 V) coexist. IC Role / Device Role / Timing Role: 32-bit non-inverting buffer with eight independent OE controls managing separate functional blocks (e.g., touch, audio, video). Use Value: −40 °C to +85 °C rating meets automotive ambient requirements; low ground bounce supports EMC-compliant layout in noisy cabin environments. |
Use Scenario: Conditioning digital stimulus/response signals in automated test equipment connecting 3.3 V pattern generators to 5 V DUTs. IC Role / Device Role / Timing Role: Precision 32-bit line driver ensuring signal integrity across long cables with matched propagation delays (skew ≤ 1.0 ns). Use Value: Tight AC specs (tPHL/tPLH = 3.0 ns typ.) and low output impedance support clean edge fidelity at 100+ Mbps data rates. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit 3-state buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74LVC32244PAG | TI version in 96-pin TQFP (not BGA); identical 1.2–3.6 V range and 5 V tolerance but higher 4.5 ns max tPHL. | Preferred for prototyping or manual soldering due to QFP package; less suitable for high-density BGA-only layouts. | Select when board rework or hand-assembly is required and BGA placement is impractical. |
| 74ALVCH32244AEC,557 | Same pinout and function but higher speed grade (1.65–3.6 V, 2.6 ns typical tPHL); not rated for 1.2 V operation. | Used in performance-critical telecom line cards where sub-3 ns propagation is mandatory. | Choose only if system requires faster timing and can guarantee ≥1.65 V supply; otherwise 74LVCH32244AEC,557 offers broader voltage flexibility. |
Compared with SN74LVC32244PAG and 74ALVCH32244AEC,557, the 74LVCH32244AEC,557 uniquely balances ultra-wide 1.2 V minimum supply, full 5.5 V I/O tolerance, and bushold-enabled BOM reduction - making it optimal for cost-sensitive, space-constrained industrial and automotive modules where voltage margin and layout simplicity are prioritized over peak speed.
Availability
74LVCH32244AEC,557 is available at Aetrix Electronics and suitable for industrial backplane interfaces, automotive infotainment buses, memory module signal conditioning, and test equipment signal routing requiring stable component supply across extended temperature ranges and mixed-voltage environments.
Supply support for 74LVCH32244AEC,557 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
NXP Semiconductors, formerly Philips Semiconductors, is a global leader in high-performance analog and logic ICs, with expertise in automotive, industrial, and communication semiconductor solutions.
The 74LVCH32244AEC,557 belongs to NXP's LVCH (Low-Voltage CMOS with Hold) logic family, engineered specifically for voltage-flexible, noise-resilient interfacing in next-generation embedded systems where power efficiency and I/O compatibility are critical.
FAQ
What is the minimum supply voltage supported by the 74LVCH32244AEC,557?
The 74LVCH32244AEC,557 supports a minimum supply voltage of 1.2 V, verified across its full −40 °C to +85 °C operating range. This enables deployment in ultra-low-power subsystems such as battery-backed real-time clocks or energy-harvesting sensor nodes where traditional 3.3 V logic would be impractical. The 74LVCH32244AEC,557 maintains full 5 V I/O tolerance even at 1.2 V VCC.
Does the 74LVCH32244AEC,557 require external pull-up resistors on its data inputs?
No, the 74LVCH32244AEC,557 integrates bushold circuitry on all 32 data inputs, actively sustaining the last valid logic state without external components. This eliminates 32 pull-up resistors, reducing PCB area, BOM cost, and potential signal integrity issues from parasitic capacitance - a key advantage confirmed in the device's Functional Description and DC Characteristics tables.
What is the maximum output drive strength of the 74LVCH32244AEC,557 at 3.0 V supply?
At VCC = 3.0 V, the 74LVCH32244AEC,557 delivers ±24 mA output sink/source current per pin, with VOL ≤ 0.55 V and VOH ≥ VCC − 0.6 V under full load. These values are specified in the DC Characteristics table and validated across temperature, ensuring robust driving capability for terminated transmission lines and multiple TTL loads.
Can the 74LVCH32244AEC,557 be used in a 5 V-only system?
No - the 74LVCH32244AEC,557 must be powered from 1.2 V to 3.6 V; its VCC rating does not extend to 5 V. However, its inputs and outputs tolerate up to 5.5 V, allowing safe connection to 5 V buses while operating from a 3.3 V or lower supply. This dual-voltage capability is explicitly defined in the Recommended Operating Conditions and Limiting Values sections.
What package type is used for the 74LVCH32244AEC,557 and why is it significant?
The 74LVCH32244AEC,557 uses the LFBGA96 (SOT536-1) package: a 13.5 mm × 5.5 mm × 1.05 mm fine-pitch ball grid array with 96 balls on 0.5 mm pitch. Its significance lies in low-inductance power/ground distribution - 9 VCC and 16 GND balls minimize ground bounce and supply noise during simultaneous 32-bit switching, a requirement emphasized in the Features and Pinning sections.
74LVCH32244AEC,557 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- 74LVCH
- Package/Case:
- 96-LFBGA
- Packaging:
- Tray
- Product Status:
- Obsolete
- Logic Type:
- Buffer, Non-Inverting
- Number of Elements:
- 8
- Number of Bits per Element:
- 4
- Input Type:
- -
- Output Type:
- 3-State
- Current - Output High, Low:
- 24mA, 24mA
- Voltage - Supply:
- 1.2V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 96-LFBGA (13.5x5.5)
74LVCH32244AEC,557 FAQ
1.How can I place an order for 74LVCH32244AEC,557 through Aetrix?
Please submit a Request for Quotation (RFQ) for 74LVCH32244AEC,557 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for 74LVCH32244AEC,557 reliable?
The price and inventory of 74LVCH32244AEC,557 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74LVCH32244AEC,557 is usually 5 days.
3.What payment methods are accepted for 74LVCH32244AEC,557?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74LVCH32244AEC,557 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74LVCH32244AEC,557?
74LVCH32244AEC,557 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74LVCH32244AEC,557 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for 74LVCH32244AEC,557?
For technical support, including 74LVCH32244AEC,557 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74LVCH32244AEC,557 requirements.
6.How does Aetrix verify that 74LVCH32244AEC,557 is sourced from the original manufacturer or authorized distributors?
All 74LVCH32244AEC,557 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that 74LVCH32244AEC,557 meets industry standards.
7.What is the process for return or replacement of 74LVCH32244AEC,557?
All 74LVCH32244AEC,557 units undergo pre-shipment inspection (PSI). If there is an issue with 74LVCH32244AEC,557, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The 74LVCH32244AEC,557 part is unused and in its original packaging.
Return procedure for 74LVCH32244AEC,557:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
74LVCH32244AEC,557 Tags
-
SN74LVC1G17DBVR
Texas Instruments
-
SN74LVC1G07DCKR
Texas Instruments
-
SN74LVC1G17DCKR
Texas Instruments
-
SN74LVC1G07DBVR
Texas Instruments
-
SN74LVC1G125DCKR
Texas Instruments
-
SN74AHCT1G126DBVR
Texas Instruments
-
SN74LVC1G125DBVR
Texas Instruments
-
SN74AHCT1G125DBVR
Texas Instruments
-
SN74LVC2G17DBVR
Texas Instruments
-
SN74LVC2G07DCKR
Texas Instruments
-
SN74LVC1G34DCKR
Texas Instruments
-
SN74LVC2G17DCKR
Texas Instruments
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
