← All parts
Quad 3-State R/S Latch
4044
ic logic
The CD4043B and CD4044B are quad CMOS cross-coupled 3-state R/S latches with separate SET, RESET, and ENABLE inputs. They operate at high voltages (20V) and have symmetrical output characteristics.
In stock
Specifications
4- Operating Voltage Range
- -0.5V to +20V (referred to VSS terminal) V
- Input Voltage Range
- -0.5V to VDD+0.5V V
- DC Input Current
- +-10mA mA
- Package Type
- 16-lead hermetic dual-in-line ceramic packages (F3A suffix), 16-lead dual-in-line plastic packages (E suffix), 16-lead small-outline packages (D, DR, DT, DW, DWR, and NSR suffixes), and 16-lead thin shrink small-outline packages (PW and PWR suffixes) N/A
Pinout
18| Pin | Name | Functions | Notes |
|---|---|---|---|
| 1 | Q1 | GPIO | Output Q1 |
| 2 | Q2 | GPIO | Output Q2 |
| 3 | Q3 | GPIO | Output Q3 |
| 4 | Q4 | GPIO | Output Q4 |
| 5 | ENABLE | POWER | Enable input |
| 6 | S1 | GPIO | SET input for latch 1 |
| 7 | R1 | GPIO | RESET input for latch 1 |
| 8 | VSS | GND | Ground |
| 9 | Q2 | GPIO | Output Q2 |
| 10 | Q3 | GPIO | Output Q3 |
| 11 | R2 | GPIO | RESET input for latch 2 |
| 12 | S2 | GPIO | SET input for latch 2 |
| 13 | Q1 | GPIO | Output Q1 |
| 14 | R3 | GPIO | RESET input for latch 3 |
| 15 | S3 | GPIO | SET input for latch 3 |
| 16 | VDD | POWER | Supply voltage |
| 17 | Q4 | GPIO | Output Q4 |
| 18 | NC | GND | No connection |
Interactive pinout
Highlight:
4044
Click a pin to copy its name · tap a tag above to spotlight a bus.