54LS290 - 4-BIT BINARY COUNTER
(Motorola)
DECADE COUNTER; 4-BIT BINARY COUNTER
The SN54 / 74LS290 and SN54 / 74LS293 are high-speed 4-bit ripple type counters partitioned into two sections. E.
54LS293 - 4-BIT BINARY COUNTER
(Motorola)
DECADE COUNTER; 4-BIT BINARY COUNTER
The SN54 / 74LS290 and SN54 / 74LS293 are high-speed 4-bit ripple type counters partitioned into two sections. E.
54LS20 - Dual 4-Input NAND Gates
(National Semiconductor)
54LS20 DM54LS20 DM74LS20 Dual 4-Input NAND Gates
June 1989
54LS20 DM54LS20 DM74LS20 Dual 4-Input NAND Gates
General Description
This device contain.
54LS21 - Dual 4-Input AND Gates
(National Semiconductor)
54LS21 DM54LS21 DM74LS21 Dual 4-Input AND Gates
June 1989
54LS21 DM54LS21 DM74LS21 Dual 4-Input AND Gates
General Description
This device contains .
54LS21 - DUAL 4-INPUT AND GATE
(Motorola)
DUAL 4-INPUT AND GATE
SN54/74LS21
VCC 14 13 12 11 10
9
8
DUAL 4-INPUT AND GATE LOW POWER SCHOTTKY
1234567 GND
GUARANTEED OPERATING RANGES
Symb.
54LS22 - Dual 4-Input NAND Gates
(National Semiconductor)
.