74LCX16374 Datasheet, PDF (2/10 Pages) Fairchild Semiconductor – Low Voltage 16-Bit D-Type Flip-Flop with 5V Tolerant Inputs and Outputs

74LCX16374
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
PIN No
SYMBOL NAME AND FUNCTION
1
1OE 3 State Output Enable
Input (Active LOW)
2, 3, 5, 6, 8, 9, 1Q0 to 1Q7 3-State Outputs
11, 12
13, 14, 16, 17, 2Q0 to 2Q7 3-State Outputs
19, 20, 22, 23
24
2OE 3 State Output Enable
Input (Active LOW)
25
2CK Latch Enable Input
36, 35, 33, 32, 2D0 to 2D7 Data Inputs
30, 29, 27, 26
47, 46, 44, 43, 1D0 to 1D7 Data Inputs
41, 40, 38, 37
48
1CK Latch Enable Input
4, 10, 15, 21,
28, 34, 39, 45
GND
Ground (0V)
7, 18, 31, 42
V_CC Positive Supply Voltage
TRUTH TABLE
INPUTS
OUTPUT
OE
CK
H
X
L
D
Q
X
Z
X
NO CHANGE*
L
L
L
L
H
H
X : Don‘t Care
Z : High Impedance
IEC LOGIC SYMBOLS
2/10