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54LS256 |
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| Part Number | 54LS256 |
| Manufacturer | Motorola |
| Description | DUAL 4-BIT ADDRESSABLE LATCH The SN54/74LS256 is a Dual 4-Bit Addressable Latch with common control inputs; these include two Address inputs (A0, A1), an active LOW Enable input (E) and an active LOW ... |
| Features |
put Clamp Diodes Limit High Speed Termination Effects
CONNECTION DIAGRAM DIP (TOP VIEW)
VCC CL E Db Q3b Q2b Q1b Q0b 16 15 14 13 12 11 10 9
NOTE: The Flatpak version has the same pinouts (Connection Diagram) as the Dual In-Line Package.
12 A0 A1
3 4 56 78 Da Q0a Q1a Q2a Q3a GND
PIN NAMES
LOADING (Note a)
HIGH
LOW
A0, A1 Da, Db E
Address Inputs Data Inputs Enable Input (Active LOW)
0.5 U.L. 0.5 U.L. 1.0 U.L.
0.25 U.L. 0.25 U.L.
0.5 U.L.
CL Clear Input (Active LOW)
0.5 U.L.
0.25 U.L.
Q0a – Q3a, Q0b – Q3b Parallel Latch Outputs (Note b) 10 U.L. 5 (2.5) U.L. NOTES: a) 1 TTL Unit ... |
| Document |
 54LS256 Data Sheet
PDF 84.65KB |
| Distributor | Stock | Price | Buy |
|---|
| No. | Parte # | Fabricante | Descripción | Hoja de Datos |
|---|---|---|---|---|
| 1 | 54LS256 |
National Semiconductor |
Dual 4-Bit Addressable Latch |
|
| 2 | 54LS257A |
National Semiconductor |
TRI-STATE Quad 2-Data Selectors/Multiplexers |
|
| 3 | 54LS257B |
National Semiconductor |
Quad 2-Data Selectors/Multiplexers |
|
| 4 | 54LS257B |
Motorola |
QUAD 2-INPUT MULTIPLEXER |
|
| 5 | 54LS257B |
Texas Instruments |
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS |
|