74LVC374A PHILIPS [NXP Semiconductors], 74LVC374A Datasheet - Page 4

• Manufacturer Part Number: 74LVC374A
• Description: Octal D-type flip-flop with 5-volt tolerant inputs/outputs; positive edge-trigger 3-State
• Manufacturer: PHILIPS [NXP Semiconductors]

H = HIGH voltage level
h = HIGH voltage level one setup time prior to the LOW-to-HIGH CP transition
L = LOW voltage level
l
Z = High impedance OFF-state
° = LOW-to-HIGH clock transition
Philips Semiconductors
LOGIC DIAGRAM
FUNCTION TABLE
1998 Jul 29
Octal D-type flip-flop with 5-volt tolerant
inputs/outputs; positive edge-trigger (3-State)
CP
OE
= LOW voltage level one setup time prior to the LOW-to-HIGH CP transition
Load and read register
OPERATING MODES
OPERATING MODES
Load register and
disable outputs
D0
CP
D
FF1
Q
Q0
D1
CP
D
FF2
OE
H
H
L
L
Q
Q1
D2
INPUTS
D
CP
LE
FF3
°
°
°
°
Q
Q2
D3
D
D
CP
h
h
FF4
l
l
n
4
Q
Q3
D4
INTERNAL FLIP-FLOPS
INTERNAL FLIP-FLOPS
CP
D
FF5
Q
Q4
H
H
L
L
D5
CP
D
FF6
Q
Q5
D6
CP
D
FF7
Q
74LVC374A
OUTPUTS
Q6
Q
Product specification
0
to Q
H
L
Z
Z
D7
CP
D
7
FF8
SA00393
Q
Q7