Table of Contents
Advertisement
5.1 74VHC00MTC-X (IC455,IC503) : 2-input nand gate
• Pin layout
5.2 74VHC74MTC-X (IC454) : ZIVA Wait
• Terminal layout
• Pin function
Pin No. Symbol
I/O
1
CLR1
I
Direct clear input 1
2
D1
I
Data input 1
3
CK1
I
Clock pulse input 1
4
PR1
I
Direct preset input 1
5
Q1
O
Output
6
Q1
O
Output
7
GND
-
Connect to ground
SECTION 5
Description of major ICs
Description
Pin No. Symbol
8
9
10
11
12
13
14
• Truth table
A
B
Y
L
L
H
L
H
H
H
L
H
H
H
L
L : High impedance
• Trouth table
I/O
Description
Q2
O
Output
Q2
O
Output
PR2
I
Direct preset input 2
CK2
I
Click pulse input 2
D2
I
Data input 2
CLR2
I
Clock clear input 2
VCC
-
Power supply
XV-C3SL
27
Advertisement
Chapters
Table of Contents
