SN54LS77
SN54LS77 is 4-BIT D LATCH LOW POWER SCHOTTKY manufactured by Motorola Semiconductor.
features plementary Q and Q output from a 4-bit latch and is available in the 16-pin packages. For higher ponent density applications the SN54 / 74LS77 4-bit latch is available in the 14-pin package with Q outputs omitted. CONNECTION DIAGRAMS DIP (TOP VIEW)
Q0 16 Q1 15 Q1 14 E0- 1 GND 13 12 Q2 11 Q2 10 Q3 9
SN54/74LS75 SN54/74LS77
4-BIT D LATCH
LOW POWER SCHOTTKY
J SUFFIX CERAMIC CASE 620-09
SN54 / 74LS75 N SUFFIX PLASTIC CASE 648-08
1 Q0 Q0 14
2 D0 Q1 13
3 D1
E2- 3 VCC NC 10
6 D2 Q2 9
7 D3 Q3 8
8 Q3
E0- 1 GND 12 11
16 1
D SUFFIX SOIC CASE 751B-03
SN54 / 74LS77 J SUFFIX CERAMIC CASE 632-08
14 1
1 D0 PIN NAMES
2 D1
3 E2- 3
4 VCC
5 D2
6 D3
7 NC LOADING (Note a) HIGH LOW 0.25 U.L. 1.0 U.L. 1.0 U.L. 5 (2.5) U.L. 5 (2.5) U.L.
D1- D4 E0- 1 E2- 3 Q1- Q4 Q1- Q4
Data Inputs Enable Input Latches 0, 1 Enable Input Latches 2, 3 Latch Outputs (Note b) plimentary Latch Outputs (Note b)
0.5 U.L. 2.0 U.L. 2.0 U.L. 10 U.L. 10 U.L.
14 1
N SUFFIX PLASTIC CASE 646-06
NOTES: a) 1 Unit Load (U.L.) = 40 µA HIGH. b) The Output LOW drive factor is 2.5 U.L. for Military (54) and 5 U.L. for mercial (74) Temperature Ranges.
14 1
D SUFFIX SOIC CASE...
