The 4042B is a Quadruple D-latch.
NXP Semiconductors
The HEF4042B is a 4-bit latch with four data inputs (D0 to D3), four buffered latch outputs (O0 to O3), four buffered complementary latch outputs (O0 to O3) and two common enable inputs (E0 and E1). I.
polarity for E0 and E1. With one enable input HIGH, the other enable input is active HIGH; with one enable input LOW, the other enable input is active LOW. HEF4042B MSI Fig.2 Pinning diagram. HEF4042BP(N): HEF4042BD(F): HEF4042BT(D): 16-lead DIL; plastic (SOT38-1) 16-lead DIL; ceramic (cerdip) (.
R - E International
.
.
| Seller | Inventory | Price Breaks | Buy |
|---|---|---|---|
| Zoro | 10 | 1+ : 6.15 USD | View Offer |
| Heilind Americas | 0 | 1+ : 9.9216 USD 20+ : 8.5763 USD 50+ : 8.1613 USD 100+ : 7.9063 USD |
View Offer |
| Interstate Connecting Components | 0 | 1+ : 9.9216 USD 20+ : 8.5763 USD 50+ : 8.1613 USD 100+ : 7.9063 USD |
View Offer |