hcts646ms Intersil Corporation, hcts646ms Datasheet - Page 2

• Manufacturer Part Number: hcts646ms
• Description: Radiation Hardened Octal Bus Transceiver/register, Three-state
• Manufacturer: Intersil Corporation

22
23
21
12
Functional Diagram
2
1
3
3
PAD
SBA
SAB
CBA
CAB
PAD
PAD
PAD
PAD
PAD
PAD
PAD
PAD
VSS
OE
DIR
DIR
OE
A0
X
X
H
H
L
L
L
L
4
DIR
X
X
X
X
H
H
L
L
P
N
H or L
H or L
CAB
X
X
X
X
INPUTS
H or L
H or L
CBA
X
X
X
X
CHANNEL
SAB
0
1
2
3
4
5
6
7
H
X
X
X
X
X
X
L
CL
Q
SBA
10 - 14
11 - 13
X
X
X
X
H
X
X
L
FF
4 - 20
5 - 19
6 - 18
7 - 17
8 - 16
9 - 15
PINS
O
HCTS646MS
TRUTH TABLE
A0 THRU A7
Input Not
Specified
Input Not
Specified
707
Output
Output
Input
Input
Input
Input
DATA I/O*
Not Specified
B0 THRU B7
Output
Output
Input
Input
Input
Input
Input
Input
O
FF
CL
Q
Store A, B Unspecified
Store B, A Unspecified
Store A and B Data
Isolation, Hold Storage
Real-Time B Data to A Bus
Stored B Data to A Bus
Real-Time A Data to B Bus
Stored A Data to B Bus
OPERATION OR FUNCTION
Spec Number
P
N
TO CHANNELS
1 THROUGH 7
518628
PAD
B0
20