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Renesas EL7457CSZ-T7
- Part No.:
- EL7457CSZ-T7
- Manufacturer:
- Renesas
- Category:
- Gate Drivers
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
EL7457CSZ-T7.pdf
- Description:
- IC GATE DRVR HI/LOW SIDE 16SOIC
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
EL7457CSZ-T7 from Renesas Electronics is a 40MHz non-inverting quad CMOS driver IC designed for high-speed switching of capacitive loads in precision timing and signal routing circuits. It delivers 2A peak output current, 3Ω typical on-resistance, and matched rise/fall times within 1ns - enabling precise clock distribution in CCD imaging systems and ultrasound transducer drivers.
For engineers reviewing the EL7457CSZ-T7 datasheet, EL7457CSZ-T7 pinout, EL7457CSZ-T7 application, or EL7457CSZ-T7 equivalent, key selection criteria include its dual-supply operation (VS+ to VS− up to 18V), ±5V to +16.5V programmable VH/VL output swing, 12ns enable/disable latency, and SOIC-16 package compatibility with industrial temperature range (−40°C to +85°C).
Technical Context
The EL7457CSZ-T7 integrates four independent non-inverting driver channels, each combining a P-channel high-side switch and N-channel low-side switch to steer outputs between user-defined VH and VL rails. Its input logic accepts 3V/5V CMOS and TTL signals with ground-referenced inputs, while a shared OE pin forces all outputs into high-impedance state.
Propagation delay matching (≤2ns) and edge timing matching (tR/tF ≤1ns) are achieved via matched internal transistor pairs and symmetric layout. The device operates across wide supply ranges: VS+ = −5V to +16.5V relative to VS−, with VH and VL independently configurable within those bounds.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Max Clock Rate | 40MHz - supports high-frequency CCD vertical/horizontal clocks and ATE pin sequencing. |
| Output Drive Strength | 2A peak sink/source - drives 1000pF loads with 11–13.5ns rise/fall times under 15V supply. |
| On-Resistance | 3Ω nominal (VH→OUT / VL→OUT) - minimizes voltage drop and power loss during heavy capacitive switching. |
| Timing Match | ≤1ns tR/tF mismatch, ≤2ns propagation delay mismatch - ensures channel-to-channel skew control critical for multi-phase clocking. |
| Supply Range | VS+ to VS−: 5V to 18V; VH: VS−+2.5V to VS+; VL: VS− to VS+ - enables flexible level-shifting across mixed-voltage systems. |
| Enable Latency | 12ns enable/disable delay - allows fast gating of outputs during power-down sequences in CCD applications. |
| Quiescent Current | <1mA - reduces standby power in battery-sensitive or thermally constrained designs. |
Pinout & Package
EL7457CSZ-T7 is supplied in a 16-pin SOIC (0.150") package per MDP0027 outline, with exposed thermal pad not present (unlike QFN variant). Pin functions are electrically identical across SOIC, QSOP, and QFN packages per datasheet.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 (INA) | Channel A input | CMOS/TTL-compatible logic input controlling OUTA; referenced to GND. |
| 2 (OE) | Global output enable | Active-low control: pulls all outputs to high-Z when low; 12ns response enables synchronized shutdown. |
| 3 (INB) | Channel B input | Independent logic input for OUTB; shares same voltage domain and timing specs as INA. |
| 4 (VL) | Low-side output rail | User-defined negative or ground-referenced voltage (−5V ≤ VL ≤ VS+); sets lower output swing limit. |
| 5 (GND) | Input logic reference | Digital ground for all INx and OE pins; isolated from power grounds in mixed-signal layouts. |
| 6,13 (NC) | No connection | Unbonded die pads; must remain floating - no external connection or PCB trace required. |
| 7 (INC) | Channel C input | Third independent input driving OUTC; identical electrical specs to INA/INB/IND. |
| 8 (IND) | Channel D input | Fourth logic input for OUTD; supports full quad-channel parallel operation. |
| 9 (VS−) | Negative supply | Primary negative rail for internal biasing; connects to VL or separate supply depending on configuration. |
| 10 (OUTD) | Channel D output | Non-inverting driver output swinging between VH and VL; capable of 2A transient current. |
| 11 (OUTC) | Channel C output | Matched-output channel with ≤1ns tR/tF skew vs. OUTD for phase-aligned drive. |
| 12 (VH) | High-side output rail | User-defined positive voltage (VS−+2.5V ≤ VH ≤ VS+); sets upper output swing limit. |
| 14 (OUTB) | Channel B output | Second output with matched propagation delay (≤2ns mismatch vs. OUTA) for timing-critical paths. |
| 15 (OUTA) | Channel A output | Primary output with 12ns tR/tF at 1000pF load; used as timing reference in multi-channel sync. |
| 16 (VS+) | Positive supply | Main positive rail (up to +16.5V); powers internal level shifters and output stage bias networks. |
Key Features
| Feature | Design Value |
|---|---|
| Quad-channel non-inverting drive | Four independent, matched-output drivers in single SOIC-16 package - reduces board space vs. discrete solutions. |
| VH/VL programmable output swing | Configurable high/low rail voltages enable level-shifting between −5V and +16.5V domains without external translators. |
| Sub-2ns channel timing match | ≤1ns rise/fall time match and ≤2ns propagation delay match - preserves signal integrity in multi-phase clock trees. |
| Fast 12ns enable/disable | Hardware-controlled OE pin transitions all outputs to high-Z within 12ns - eliminates glitches during power sequencing. |
| Wide supply tolerance | Operates from 5V to 18V total supply (VS+ to VS−) with guaranteed performance - supports legacy and next-gen voltage rails. |
Applications
| CCD Imaging Systems | Ultrasound Transducer Drivers |
|---|---|
|
Use Scenario: Driving vertical and horizontal clock lines in scientific and medical CCD sensors requiring precise edge alignment and low jitter. IC Role / Device Role / Timing Role: Quad non-inverting driver providing matched 40MHz clock edges to CCD pixel shift registers with sub-nanosecond skew control. Use Value: 1ns tR/tF matching and 2ns prop delay matching minimize inter-line timing errors, improving image fidelity and reducing fixed-pattern noise. |
Use Scenario: Generating high-voltage, high-speed excitation pulses for piezoelectric transducers in diagnostic ultrasound beamforming arrays. IC Role / Device Role / Timing Role: Level-shifting driver translating low-voltage FPGA logic to ±5V or higher bipolar output swings for transducer element control. Use Value: 2A peak current and 3Ω on-resistance deliver fast, clean pulse edges into capacitive transducer loads, enhancing axial resolution and signal-to-noise ratio. |
| ATE Pin Electronics | Industrial Clock/Line Drivers |
|
Use Scenario: Serving as per-pin driver in automated test equipment where fast, repeatable digital stimulus with precise timing margins is required. IC Role / Device Role / Timing Role: High-speed quad driver delivering TTL/CMOS-compatible outputs with 12ns enable latency for synchronized pin activation/deactivation. Use Value: Low quiescent current (<1mA) and fast OE response reduce test head power dissipation and improve test cycle throughput. |
Use Scenario: Distributing synchronized clock or control signals across multiple subsystems in industrial PLCs, motion controllers, or data acquisition modules. IC Role / Device Role / Timing Role: Robust clock buffer with programmable VH/VL rails adapting to mixed-voltage backplanes (e.g., 3.3V logic driving 5V or ±5V peripherals). Use Value: Wide supply range (5–18V) and input compatibility with 3V/5V CMOS/TTL simplify integration into heterogeneous industrial I/O architectures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad high-speed driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| EL7457CUZ-T7 | Identical electrical specs and pinout; packaged in 16-pin QSOP (MDP0040) instead of SOIC (MDP0027). | QSOP offers slightly smaller footprint but higher thermal resistance (θJA = 112°C/W vs. 73°C/W for SOIC) - less suitable for high-duty-cycle thermal loads. | Select EL7457CUZ-T7 only when board space constraints favor QSOP and power dissipation remains below 350mW. |
| EL7457CLZ-T7 | Same functionality and timing specs; uses 4×4mm QFN package with exposed thermal pad (θJA = 43°C/W). | QFN provides superior thermal performance and lower inductance, but requires reflow-compatible layout and no through-hole prototyping support. | Choose EL7457CLZ-T7 for high-density, thermally demanding applications like portable ultrasound or compact CCD modules where SOIC thermal limits are exceeded. |
Compared with EL7457CUZ-T7 and EL7457CLZ-T7, the EL7457CSZ-T7 balances thermal performance, manufacturability, and legacy board compatibility - making it optimal for industrial and medical equipment where SOIC-16 is standard and moderate power levels apply.
Availability
EL7457CSZ-T7 is available at Aetrix Electronics and suitable for CCD imaging systems, ultrasound transducer drivers, and ATE pin electronics requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant packaging.
Supply support for EL7457CSZ-T7 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
Renesas Electronics Corporation is a global semiconductor leader specializing in microcontrollers, analog, power, and connectivity solutions for automotive, industrial, and infrastructure markets.
The EL7457CSZ-T7 belongs to Renesas' high-speed interface driver product line, engineered specifically for precision timing, CCD clocking, and high-fidelity signal routing in medical imaging and test instrumentation.
FAQ
What is the maximum allowable supply voltage for EL7457CSZ-T7?
The EL7457CSZ-T7 supports a total supply voltage (VS+ to VS−) up to +18V. Absolute maximum ratings specify VS+ to VS− ≤ +18V, with VH limited to VS+ and VL ≥ VS−. Operation beyond these limits risks permanent damage. For reliable 40MHz operation, Renesas recommends VS+ to VS− between 5V and 16.5V per datasheet Table 1.
Does EL7457CSZ-T7 support true bidirectional level shifting?
No, the EL7457CSZ-T7 is a unidirectional non-inverting driver - it translates logic-level inputs into high-current, rail-to-rail outputs between VH and VL, but does not pass signals back from output to input. It functions as a level-shifting driver, not a bidirectional translator. Input signals must always be referenced to GND and compatible with 3V/5V CMOS/TTL thresholds.
Can EL7457CSZ-T7 drive capacitive loads exceeding 1000pF?
Yes, the EL7457CSZ-T7 can drive loads >1000pF, but timing degrades predictably: rise/fall times increase linearly with load capacitance (see Figure 8). At 4700pF, tR/tF ≈ 60ns (VS+ = 15V). Thermal limits must also be observed - power dissipation rises with CL × f × VSWING², so heatsinking or derating may be needed above 2000pF at high frequency.
Is the EL7457CSZ-T7 pin-compatible with earlier revisions of the EL7457 family?
Yes, the EL7457CSZ-T7 maintains identical pinout, electrical behavior, and thermal characteristics across all package variants (SOIC, QSOP, QFN) per FN7288 Rev.5.00. No PCB changes are required when substituting EL7457CSZ-T7 for EL7457CSZ, EL7457CUZ-T7, or EL7457CLZ-T7 - only thermal and layout considerations differ due to package form factor.
What is the recommended power supply bypassing scheme for EL7457CSZ-T7?
Renesas specifies a 4.7µF tantalum capacitor in parallel with a 0.1µF low-inductance ceramic MLCC on both VS+ and VS− pins, placed as close as possible to the device. Additional 0.1µF ceramics are advised on VH and VL pins when driving >500pF loads. This prevents supply rail collapse during 2A transient currents and maintains timing accuracy.
EL7457CSZ-T7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 16-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Driven Configuration:
- High-Side or Low-Side
- Channel Type:
- Independent
- Number of Drivers:
- 4
- Gate Type:
- N-Channel, P-Channel MOSFET
- Voltage - Supply:
- 4.5V ~ 18V
- Logic Voltage - VIL, VIH:
- 0.8V, 2V
- Current - Peak Output (Source, Sink):
- 2A, 2A
- Input Type:
- Non-Inverting
- High Side Voltage - Max (Bootstrap):
- -
- Rise / Fall Time (Typ):
- 13.5ns, 13ns
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
EL7457CSZ-T7 FAQ
1.How can I place an order for EL7457CSZ-T7 through Aetrix?
Please submit a Request for Quotation (RFQ) for EL7457CSZ-T7 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 EL7457CSZ-T7 reliable?
The price and inventory of EL7457CSZ-T7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for EL7457CSZ-T7 is usually 5 days.
3.What payment methods are accepted for EL7457CSZ-T7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for EL7457CSZ-T7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for EL7457CSZ-T7?
EL7457CSZ-T7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your EL7457CSZ-T7 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 EL7457CSZ-T7?
For technical support, including EL7457CSZ-T7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your EL7457CSZ-T7 requirements.
6.How does Aetrix verify that EL7457CSZ-T7 is sourced from the original manufacturer or authorized distributors?
All EL7457CSZ-T7 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 EL7457CSZ-T7 meets industry standards.
7.What is the process for return or replacement of EL7457CSZ-T7?
All EL7457CSZ-T7 units undergo pre-shipment inspection (PSI). If there is an issue with EL7457CSZ-T7, 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 EL7457CSZ-T7 part is unused and in its original packaging.
Return procedure for EL7457CSZ-T7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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