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NXP Semiconductors N74F827N,602
- Part No.:
- N74F827N,602
- Manufacturer:
- NXP Semiconductors
- Package:
- 24-DIP (0.300", 7.62mm)
- Datasheet:
-
N74F827N,602.pdf
- Description:
- IC BUFFER NON-INVERT 5.5V 24DIP
- Quantity:
- Payment:
- Shipping:
Inventory:2,496
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Product details
Overview
N74F827N,602 from NXP Semiconductors (formerly Philips) is a 10-bit non-inverting 3-state buffer/line driver in a 24-pin DIP package, delivering 6.0 ns typical propagation delay, ±24 mA high-level and 64 mA low-level output drive, and 20 µA input loading at 5 V supply. It serves as a high-speed bus interface for wide data/address paths in microprocessor systems requiring controlled edge rates and glitch-free power-up.
For engineers reviewing the N74F827N,602 datasheet, N74F827N,602 pinout, N74F827N,602 application, or N74F827N,602 equivalent, key selection criteria include its dual active-low output enables (OE0/OE1), flow-through pinout architecture, 0–70 °C commercial temperature range, and compatibility with FAST TTL logic families while reducing bus loading.
Technical Context
The N74F827N,602 implements ten independent non-inverting buffers with two shared active-low 3-state output enable inputs (OE0 and OE1), enabling simultaneous or selective output control. Its NOR-based enable logic allows transparent operation when either OE is LOW and high-impedance state when both OEs are HIGH.
Designed for microprocessor-oriented bus interfacing, it features high-impedance NPN base inputs (20 µA IIL/IIH), controlled rise/fall times to suppress ground bounce, and guaranteed glitch-free power-up behavior - critical for stable initialization in address/data latching circuits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Propagation delay (Dn→Qn) | 6.0 ns typical at 5 V, CL = 50 pF - ensures sub-10 ns timing margin for 100 MHz bus cycles |
| Output drive (IOL / IOH) | 64 mA sink / –24 mA source - supports direct driving of multiple TTL loads or termination networks |
| Input loading (IIL / IIH) | –20 µA / +20 µA - reduces fan-out burden by >96% vs standard FAST TTL (600 µA spec) |
| Supply current (ICC) | 60 mA typical total - enables predictable power budgeting in multi-buffer bus repeater designs |
| Operating temperature | 0 °C to +70 °C - qualified for commercial-grade embedded controllers and industrial PLC backplanes |
| Output disable time (tPHZ/tPLZ) | 2.5–8.0 ns typical - guarantees fast bus release for time-critical arbitration or multiplexing |
Pinout & Package
Package: Plastic dual in-line package (DIP24), 300 mil width, through-hole mounting, 24 leads (SOT222-1). Pin 12 = GND, Pin 24 = VCC.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OE0 | Active-low output enable (NOR logic with OE1); controls Q0–Q9 when OE1 is HIGH |
| 2–11 | D0–D9 | Non-inverting data inputs; high-impedance NPN base inputs minimize loading on upstream drivers |
| 12 | GND | Ground reference; decoupling capacitor must be placed adjacent to this pin |
| 13–22 | Q0–Q9 | Non-inverting buffered outputs; each sinks 64 mA or sources 24 mA into 500 Ω load |
| 23 | OE1 | Active-low output enable (NOR logic with OE0); enables full 10-bit output control when OE0 is HIGH |
| 24 | VCC | +5 V supply (4.5–5.5 V); requires local 100 nF ceramic bypass capacitor |
Key Features
| Feature | Design Value |
|---|---|
| Flow-through pinout architecture | Input pins (D0–D9) on left side, output pins (Q0–Q9) on right side - simplifies PCB routing in microprocessor data bus layouts |
| Glitch-free power-up | Outputs remain in high-impedance state until VCC stabilizes - prevents bus contention during system reset |
| Controlled rise/fall times | Minimizes ground bounce and EMI in high-speed parallel buses carrying address or parity signals |
| Dual NOR output enables (OE0/OE1) | Enables flexible bus partitioning: individual or group enable via logic combination without external gates |
| High-impedance NPN base inputs | 20 µA input current - allows >30-unit fan-in on shared data lines without signal degradation |
Applications
| Microprocessor Address Bus Buffering | Parallel Printer Interface Driver |
|---|---|
|
Use Scenario: Buffering 10-bit address lines between CPU and memory-mapped peripherals in 8086/8088-based systems. IC Role / Device Role / Timing Role: Non-inverting 3-state buffer providing isolation, drive strength, and timing-controlled edge transitions. Use Value: Enables clean address latching with <6 ns propagation delay and eliminates bus contention via synchronized OE control. |
Use Scenario: Driving Centronics-style parallel printer port data lines (D0–D7) plus status handshake lines (BUSY, ACK). IC Role / Device Role / Timing Role: Line driver translating TTL-level CPU outputs to robust printer-side signals with 64 mA sink capability. Use Value: Supports reliable handshaking under capacitive cable loads up to 300 pF without added termination resistors. |
| Industrial PLC Backplane Repeater | Legacy ISA Bus Signal Isolation |
|
Use Scenario: Repeating 10-bit I/O expansion bus signals across noisy factory-floor backplanes. IC Role / Device Role / Timing Role: High-drive buffer isolating master controller from distributed slave modules. Use Value: 64 mA output sink current maintains signal integrity over 15 cm ribbon cable runs with multiple stubs. |
Use Scenario: Isolating ISA bus address/data lines between legacy PC motherboard and add-on expansion cards. IC Role / Device Role / Timing Role: 3-state bus transceiver replacement for unidirectional path buffering (address latch enable path). Use Value: Flow-through pinout matches ISA slot layout; dual OE inputs simplify timing alignment with ISA control signals. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 10-bit non-inverting 3-state buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74F827N | Identical electrical specs and pinout; manufactured by Texas Instruments under second-source agreement with Philips | No functional difference; validated for same commercial temperature range and 5 V operation | Select SN74F827N if TI's logistics or long-term availability terms better align with production planning |
| 74ACT827PC | Advanced CMOS version: 3.3 V/5 V tolerant inputs, 8.5 ns max tPLH, lower ICC (20 mA typ), but only 24 mA IOL | Requires level-shifting for pure 5 V systems; unsuitable where 64 mA sink is mandatory (e.g., long bus traces) | Choose 74ACT827PC only when migrating toward mixed-voltage designs and reduced power is prioritized over drive strength |
Compared with SN74F827N and 74ACT827PC, the N74F827N,602 delivers unmatched 64 mA sink capability in a proven 5 V FAST TTL family, making it the preferred choice for legacy industrial bus interfaces demanding robust drive and deterministic timing.
Availability
N74F827N,602 is available at Aetrix Electronics and suitable for microprocessor address buffering, parallel printer interface design, and industrial PLC backplane repeater applications requiring stable component supply and long-lifecycle support.
Supply support for N74F827N,602 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 (originally Philips Semiconductors) is a global semiconductor leader focused on secure connectivity solutions for automotive, industrial, and IoT markets.
The N74F827N,602 belongs to the FAST TTL logic family designed specifically for high-speed, low-loading bus interface applications in commercial-grade computing and control systems.
FAQ
What is the operating voltage range for the N74F827N,602?
The N74F827N,602 operates over VCC = 4.5 V to 5.5 V, with recommended conditions specifying 4.5 V (min), 5.0 V (nominal), and 5.5 V (max). Absolute maximum rating is +7.0 V, but sustained operation above 5.5 V risks reliability degradation. All AC/DC specifications in the datasheet are validated within the 4.5–5.5 V window.
Does the N74F827N,602 support hot insertion or live bus swapping?
The N74F827N,602 does not include explicit hot-swap protection circuitry. Its glitch-free power-up ensures outputs stay high-impedance until VCC stabilizes, but input/output pins lack bus-hold or Ioff features. For live insertion, external series resistors and careful sequencing of VCC and OE control are required - the N74F827N,602 itself is not rated for hot-plug operation per JEDEC standards.
How many output enables does the N74F827N,602 have, and how do they function?
The N74F827N,602 has two active-low output enables: OE0 (Pin 1) and OE1 (Pin 23). They operate as a NOR gate - outputs Q0–Q9 enter high-impedance state only when both OE0 and OE1 are HIGH; otherwise, the buffer is transparent. This allows flexible control schemes, such as using one OE for global enable and the other for local partitioning.
Can the N74F827N,602 drive a 300 pF load reliably?
Yes - the N74F827N,602 is characterized for CL = 300 pF in its AC specifications. At 25 °C and VCC = 5 V, propagation delay remains ≤12.0 ns (typ) and ≤16.0 ns (max) with 10 outputs switching. Output disable time stays ≤15.0 ns (typ), confirming robust performance under heavy capacitive loading typical of ribbon cables and multi-drop buses.
Is the N74F827N,602 pin-compatible with the 74F828?
No - the N74F827N,602 is not pin-compatible with the discontinued 74F828. The 74F828 was an inverting 10-bit buffer, and Philips explicitly removed all 74F828 references from the 2004 revision of this datasheet. Pin functions, logic polarity, and internal enable architecture differ; substitution would require PCB redesign and firmware logic adjustment.
N74F827N,602 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- 74F
- Package/Case:
- 24-DIP (0.300", 7.62mm)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Logic Type:
- Buffer, Non-Inverting
- Number of Elements:
- 1
- Number of Bits per Element:
- 10
- Input Type:
- -
- Output Type:
- 3-State
- Current - Output High, Low:
- 24mA, 64mA
- Voltage - Supply:
- 4.5V ~ 5.5V
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 24-DIP
N74F827N,602 FAQ
1.How can I place an order for N74F827N,602 through Aetrix?
Please submit a Request for Quotation (RFQ) for N74F827N,602 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 N74F827N,602 reliable?
The price and inventory of N74F827N,602 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for N74F827N,602 is usually 5 days.
3.What payment methods are accepted for N74F827N,602?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for N74F827N,602 transactions.
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4.How is shipping managed for N74F827N,602?
N74F827N,602 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your N74F827N,602 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 N74F827N,602?
For technical support, including N74F827N,602 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your N74F827N,602 requirements.
6.How does Aetrix verify that N74F827N,602 is sourced from the original manufacturer or authorized distributors?
All N74F827N,602 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 N74F827N,602 meets industry standards.
7.What is the process for return or replacement of N74F827N,602?
All N74F827N,602 units undergo pre-shipment inspection (PSI). If there is an issue with N74F827N,602, 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 N74F827N,602 part is unused and in its original packaging.
Return procedure for N74F827N,602:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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