MC74AC174, MC74ACT174 Hex D Flip−Flop with Master Reset
The MC74AC174/74ACT174 is a high−speed hex D flip−flop. The devi...
MC74AC174, MC74ACT174 Hex D Flip−Flop with Master Reset
The MC74AC174/74ACT174 is a high−speed hex D flip−flop. The device is used primarily as a 6−bit edge−triggered storage register. The information on the D inputs is transferred to storage during the LOW−to−HIGH clock transition. The device has a Master Reset to simultaneously clear all flip−flops.
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Outputs Source/Sink 24 mA ′ACT174 Has TTL Compatible Inputs
VCC 16 Q5 15 D5 14 D4 13 Q4 12 D3 11 Q3 10 CP 9
16 1
DIP−16 N SUFFIX CASE 648
16
1
SO−16 D SUFFIX CASE 751B
1 MR
2 Q0
3 D0
4 D1
5 Q1
6 D2
7 Q2
8 GND
16
Figure 1. Pinout: 16−Lead Packages Conductors (Top View)
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1
TSSOP−16 DT SUFFIX CASE 948F
PIN ASSIGNMENT
PIN D0−D5 CP MR Q0−Q5 FUNCTION Data Inputs Clock Pulse Input Master Reset Input Outputs
16
1
EIAJ−16 M SUFFIX CASE 966
ORDERING INFORMATION
Device MC74AC174N MC74ACT174N MC74AC174D Package PDIP−16 PDIP−16 SOIC−16 SOIC−16 SOIC−16 SOIC−16 TSSOP−16 TSSOP−16 EIAJ−16 EIAJ−16 EIAJ−16 EIAJ−16 Shipping 25 Units/Rail 25 Units/Rail 48 Units/Rail 48 Units/Rail 2500 Tape & Reel 2500 Tape & Reel 96 Units/Rail 96 Units/Rail 50 Units/Rail 50 Units/Rail 2000 Tape & Reel 2000 Tape & Reel
TRUTH TABLE
Inputs MR L H H H CP X D X H L X Output Q L H L Q
MC74ACT174D MC74AC174DR2 MC74ACT174DR2 MC74AC174DT MC74ACT174DT MC74AC174DTR2 MC74AC174M MC74ACT174M MC74AC174MEL MC74ACT174MEL
L
TSSOP−16 2500 Tape & Reel
H = HIGH
Voltage Level L = LOW
Voltage Level X = Immaterial = LOW−t...