74AHC377 PHILIPS [NXP Semiconductors], 74AHC377 Datasheet - Page 3

• Manufacturer Part Number: 74AHC377
• Description: Octal D-type flip-flop with data enable; positive-edge trigger
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
FUNCTION TABLE
See note 1.
Note
1. H = HIGH voltage level;
ORDERING INFORMATION
PINNING
2000 Aug 15
load “1”
load “0”
hold (do nothing)
74AHC377D
74AHC377PW
74AHCT377D
74AHCT377PW
1
2, 5, 6, 9, 12, 15, 16 and 19
3, 4, 7, 8, 13, 14, 17 and 18
10
11
20
Octal D-type flip-flop with data enable;
positive-edge trigger
h = HIGH voltage level one set-up time prior to the LOW-to-HIGH CP transition;
L = LOW voltage level;
I = LOW voltage level one set-up time prior to the LOW-to-HIGH CP transition;
X = don’t care;
= LOW-to-HIGH CP transition.
OPERATING MODES
TYPE NUMBER
PIN
E
Q
D
GND
CP
V
CC
0
0
to D
to Q
SYMBOL
PINS
7
7
20
20
20
20
E
H
h
l
l
data enable input (active LOW)
flip-flop outputs
data inputs
ground (0 V)
clock input (LOW-to-HIGH, edge triggered)
DC supply voltage
3
PACKAGE
INPUTS
TSSOP
TSSOP
SO
SO
CP
X
PACKAGES
74AHC377; 74AHCT377
DESCRIPTION
MATERIAL
plastic
plastic
plastic
plastic
D
X
X
h
l
n
Product specification
OUTPUTS
no change
no change
SOT163-1
SOT360-1
SOT163-1
SOT360-1
CODE
Q
H
L
n