5-1
FACT DATA
C0079C0099C0116C0097C0108 C0068C0262C0084C0121C0112C0101 C0070C0108C0105C0112C0262C0070C0108C0111C0112
C0119C0105C0116C0104 C0051C0262C0083C0116C0097C0116C0101 C0079C0117C0116C0112C0117C0116C0115
The MC74AC374/74ACT374 is a high-speed, low-power octal D-type flip-flop
featuring separate D-type inputs for each flip-flop and 3-state outputs for bus-
oriented applications. A buffered Clock (CP) and Output Enable (OE) are common
to all flip-flops.
• Buffered Positive Edge-Triggered Clock
• 3-State Outputs for Bus-Oriented Applications
• Outputs Source/Sink 24 mA
• See MC74AC273 for Reset Version
• See MC74AC377 for Clock Enable Version
• See MC74AC373 for Transparent Latch Version
• See MC74AC574 for Broadside Pinout Version
• See MC74AC564 for Broadside Pinout Version with Inverted Outputs
• ′ACT374 Has TTL Compatible Inputs
1920 18 17 16 15 14
21 3 4 5 6 7
V
CC
13
8
12
9
11
10
O
7
D
7
D
6
O
6
O
5
D
5
D
4
O
4
CP
OE O
0
D
0
D
1
O
1
O
2
D
2
D
3
O
3
GND
PIN NAMES
D
0
–D
7
Data Inputs
CP Clock Pulse Input
OE 3-State Output Enable Input
O
0
–O
7
3-State Outputs
TRUTH TABLE
Inputs Outputs
D
n
CP OE O
n
H L H
L L L
X X H Z
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
= LOW-to-HIGH Transition
C0077C0067C0055C0052C0065C0067C0051C0055C0052
C0077C0067C0055C0052C0065C0067C0084C0051C0055C0052
OCTAL D-TYPE
FLIP-FLOP WITH
3-STATE OUTPUTS
N SUFFIX
CASE 738-03
PLASTIC
DW SUFFIX
CASE 751D-04
PLASTIC
LOGIC SYMBOL
O
0
O
1
O
2
O
3
O
4
O
5
O
6
O
7
D
0
D
1
D
2
D
3
D
4
D
5
D
6
D
7
CP
OE