Datasheet Details
| Part number | SN54ABT657A |
|---|---|
| Manufacturer | Texas Instruments |
| File Size | 309.16 KB |
| Description | OCTAL TRANSCEIVERS |
| Datasheet | SN54ABT657A-etcTI.pdf |
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Overview: SN54ABT657A, SN74ABT657A OCTAL TRANSCEIVERS WITH PARITY GENERATORS/CHECKERS AND 3-STATE OUTPUTS SCBS192E – JANUARY 1991 – REVISED JUNE 1997 D State-of-the-Art EPIC-ΙΙB™ BiCMOS Design Significantly Reduces Power Dissipation D ESD Protection Exceeds 2000 V Per MIL-STD-883, Method 3015; Exceeds 200 V Using Machine Model (C = 200 pF, R = 0) D Latch-Up Performance Exceeds 500 mA Per JEDEC Standard JESD-17 D Typical VOLP (Output Ground Bounce) < 1 V at VCC = 5 V, TA = 25°C D High-Impedance State During Power Up and Power Down D Flow-Through Architecture Optimizes PCB Layout D High-Drive Outputs (–32-mA IOH, 64-mA IOL) D Package Options Include Plastic Small-Outline (DW) Packages, Ceramic Chip Carriers (FK), and Plastic (NT) and Ceramic (JT) DIPs SN54ABT657A . . . JT PACKAGE SN74ABT657A . . . DW OR NT PACKAGE (TOP VIEW) T/R 1 A1 2 A2 3 A3 4 A4 5 A5 6 VCC 7 A6 8 A7 9 A8 10 ODD/EVEN 11 ERR 12 24 OE 23 B1 22 B2 21 B3 20 B4 19 GND 18 GND 17 B5 16 B6 15 B7 14 B8 13 PARITY SN54ABT657A . . .
| Part number | SN54ABT657A |
|---|---|
| Manufacturer | Texas Instruments |
| File Size | 309.16 KB |
| Description | OCTAL TRANSCEIVERS |
| Datasheet | SN54ABT657A-etcTI.pdf |
|
|
|
The 'ABT657A transceivers have eight noninverting buffers with parity-generator/ checker circuits and control signals.
The transmit/receive (T/R) input determines the direction of data flow.
When T/R is high, data flows from the A port to the B port (transmit mode);
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