ZHCSW42C January 2003 – July 2024 CD54ACT138 , CD74ACT138
PRODUCTION DATA
3 Pin Configuration and Functions
Figure 3-1 CD54ACT138 J Package; CD74ACT138 D,
N, or PW Package; 16-Pin CDIP, SOIC, PDIP, or TSSOP (Top View)
Figure 3-2 CD74ACT138 BQB Package, 16-Pin WQFN (Top
View)Table 3-1 Pin Functions
| PIN | TYPE(1) | DESCRIPTION | |
|---|---|---|---|
| NAME | NO. | ||
| A | 1 | I | Input A |
| B | 2 | I | Input B |
| C | 3 | I | Input C |
| G2A | 4 | I | Strobe Input 2A, active low |
| G2B | 5 | I | Strobe Input 2B, active low |
| G1 | 6 | I | Strobe Input |
| Y7 | 7 | O | Output 7 |
| GND | 8 | G | Ground |
| Y6 | 9 | O | Output 6 |
| Y5 | 10 | O | Output 5 |
| Y4 | 11 | O | Output 4 |
| Y3 | 12 | O | Output 3 |
| Y2 | 13 | O | Output 2 |
| Y1 | 14 | O | Output 1 |
| Y0 | 15 | O | Output 0 |
| VCC | 16 | P | Positive Supply |
(1) I = Input, O = Output, I/O = Input or Output, G = Ground, P =
Power.