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Product Detailed Parameters
- Description：IC PWR DRIVER BIPOLAR 1:8 16DIP
- Series：-
- Mfr：Allegro MicroSystems
- Package：Tube
- Switch Type：Latched Driver
- Number of Outputs：8
- Ratio - Input:Output：1:08
- Output Configuration：High Side
- Output Type：Bipolar
- Interface：Strobe, Serial
- Voltage - Load：50V (Max)
- Voltage - Supply (Vcc/Vdd)：3V ~ 5.5V
- Current - Output (Max)：500mA
- Rds On (Typ)：-
- Input Type：Non-Inverting
- Features：-
- Fault Protection：-
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Through Hole
- Supplier Device Package：16-DIP
- Package / Case：16-DIP (0.300", 7.62mm)
- Grade：-
- Qualification：-
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Overview
The A6821EA-T is an 8-bit serial input latched sink driver from Allegro MicroSystems, utilizing DABiC-5 technology. It operates with a logic supply range of 3.3 V to 5 V and supports data input rates up to 10 MHz. The device features CMOS and TTL compatibility, Schmitt trigger inputs for noise immunity, and high-voltage current-sink outputs. Internal pull-up and pull-down resistors are integrated, and it includes power-on reset functionality.
Feature Summary
- DABiC-5 8-bit serial input architecture
- High-voltage current-sink outputs
- Schmitt trigger inputs for improved noise immunity
- Integrated internal pull-up/pull-down resistors
Applications
- General-purpose latched driver applications
- Industrial control systems requiring serial interface
- Automotive electronics compatible with 3.3V/5V logic
Procurement Notes
Verify the specific suffix EA-T against official Allegro MicroSystems documentation to confirm package type and temperature grade. Ensure design compatibility with DABiC-5 serial protocols. Confirm availability status as product lifecycles may change. Cross-reference pinouts with the latest datasheet before integration.
Selection Notes
Select this component when an 8-bit serial latched sink driver is required with high-voltage output capabilities. The DABiC-5 interface simplifies wiring compared to parallel drivers. Consider the 10 MHz data rate limit and 3.3 V to 5 V supply range during system design. Verify thermal requirements for the specific operating environment.
Part Context
Part of the Allegro MicroSystems DABiC-5 family of serial input latched drivers. This series offers scalable solutions for various bit-width requirements, including 16-bit and 32-bit variants. The A6821EA-T specifically addresses applications needing 8 channels of latched sinking current controlled via a simple serial interface.
Replacement Considerations
Check for direct pin-compatible alternatives within the A68xx series or other DABiC-5 devices. Verify electrical parameters such as output voltage ratings and current capabilities against the original design specifications before substitution.
