ZHCSMK1H February 2008 – March 2024 SN74AVC4T774
PRODUCTION DATA
PIN | TYPE | DESCRIPTION | ||
---|---|---|---|---|
NAME | PW RGY BQB DYY | RSV | ||
DIR1 | 1 | 15 | I | Direction-control input referenced to VCCA, controls signal flow for the first (A1/B1) I/O channels. |
DIR2 | 2 | 16 | I | Direction-control input referenced to VCCA , controls signal flow for the second (A2/B2) I/O channels. |
A1 | 3 | 1 | I/O | Input/output A1. Referenced to VCCA. |
A2 | 4 | 2 | I/O | Input/output A2. Referenced to VCCA. |
A3 | 5 | 3 | I/O | Input/output A3. Referenced to VCCA. |
A4 | 6 | 4 | I/O | Input/output A4. Referenced to VCCA. |
DIR3 | 7 | 5 | I | Direction-control input referenced to VCCA , controls signal flow for the third (A3/B3) I/O channels. |
DIR4 | 8 | 6 | I | Direction-control input referenced to VCCA , controls signal flow for the fourth (A4/B4) I/O channels. |
OE | 9 | 7 | I | 3-state output-mode enables. Pull OE high to place all outputs in 3-state mode. Referenced to VCCA. |
GND | 10 | 8 | — | Ground. |
B4 | 11 | 9 | I/O | Input/output B4. Referenced to VCCB. |
B3 | 12 | 10 | I/O | Input/output B3. Referenced to VCCB. |
B2 | 13 | 11 | I/O | Input/output B2. Referenced to VCCB. |
B1 | 14 | 12 | I/O | Input/output B1. Referenced to VCCB. |
VCCB | 15 | 13 | — | B-port supply voltage. 1.1V ≤ VCCB ≤ 3.6V. |
VCCA | 16 | 14 | — | A-port supply voltage. 1.1V ≤ VCCA ≤ 3.6V. |