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54LS290 |
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| Part Number | 54LS290 |
| Manufacturer | Motorola |
| Description | The LS290 and LS293 are 4-bit ripple type Decade, and 4-Bit Binary counters respectively. Each device consists of four master / slave flip-flops which are internally connected to provide a divide-by-t... |
| Features |
1234567 MS NC MS Q2 Q1 NC GND
VCC MR MR CP1 CP0 Q0 Q3 14 13 12 11 10 9 8
LS293
SN54/74LS290 SN54/74LS293
DECADE COUNTER; 4-BIT BINARY COUNTER
LOW POWER SCHOTTKY
14 1
J SUFFIX CERAMIC CASE 632-08
14 1
14 1
N SUFFIX PLASTIC CASE 646-06
D SUFFIX SOIC
CASE 751A-02
ORDERING INFORMATION
SN54LSXXXJ SN74LSXXXN SN74LSXXXD
Ceramic Plastic SOIC
1234567 NC NC NC Q2 Q1 NC GND
PIN NAMES
LOADING (Note a)
CP0 CP1 CP1 MR1, MR2 MS1, MS2 Q0 Q1, Q2, Q3
Clock (Active LOW going edge) Input to ÷ 2 Section. Clock (Active LOW going edge) Input to ÷ 5 Section (LS290). Clock (Active LOW going edge) Inpu... |
| Document |
 54LS290 Data Sheet
PDF 74.20KB |
| No. | Parte # | Fabricante | Descripción | Hoja de Datos |
|---|---|---|---|---|
| 1 | 54LS293 |
Motorola |
4-BIT BINARY COUNTER |
|
| 2 | 54LS295 |
TW |
LSTTL Type 4-Bit Bidirectional Universal Shift Register |
|
| 3 | 54LS20 |
National Semiconductor |
Dual 4-Input NAND Gates |
|
| 4 | 54LS21 |
National Semiconductor |
Dual 4-Input AND Gates |
|
| 5 | 54LS21 |
Motorola |
DUAL 4-INPUT AND GATE |
|
| 6 | 54LS22 |
National Semiconductor |
Dual 4-Input NAND Gates |
|
Desde 2024. D4U Semiconductor.
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