74HC374D NXP Semiconductors, 74HC374D Datasheet - Page 4

• Manufacturer Part Number: 74HC374D
• Description: Flip Flop D-Type Bus Interface Pos-Edge 3-ST 1-Element 20-Pin SO Bulk
• Manufacturer: NXP Semiconductors

Specifications of 74HC374D

• Package: 20SO
• Logic Function: D-Type Bus Interface
• Logic Family: HC
• Number Of Element Outputs: 8
• Output Signal Type: Single-Ended
• Output Type: 3-State
• Number Of Output Enables Per Element: 1
• Typical Operating Supply Voltage: 5 V
• Operating Temperature: -40 to 125 °C

Philips Semiconductors
December 1990
Octal D-type flip-flop; positive edge-trigger;
3-state
Fig.4 Functional diagram.
FUNCTION TABLE
Notes
1. H = HIGH voltage level
load and read
register
load register and
disable outputs
Fig.5 Logic diagram.
OPERATING
h = HIGH voltage level one set-up time prior to the LOW-to-HIGH
L = LOW voltage level
I = LOW voltage level one set-up time prior to the LOW-to-HIGH CP
Z = high impedance OFF-state
MODES
= LOW-to-HIGH CP transition
CP transition
transition
4
OE
H
H
L
L
INPUTS
CP
D
h
h
l
l
n
FLIP-FLOPS
INTERNAL
74HC/HCT374
H
H
L
L
Product specification
OUTPUTS
Q
0
to Q
H
Z
Z
L
7