Logic Diagram 11C91
TL F 9892 – 8
Count Sequence Table 11C91
Operating Mode Table 11C91
Inputs
MS
H
L
L
L
L
TL F 9892 – 9
CE
X
H
L
L
L
M
1
X
X
L
X
H
M
2
X
X
L
H
X
Output
Response
Set HIGH
Hold
d
6
d
5
d
5
Note
A HIGH on MS forces all Qs HIGH
H
e
HIGH Voltage Level
L
e
LOW Voltage Level
X
e
Don’t Care
Ordering Information
The device number is used to form part of a simplified purchasing code where the package type and temperature range are
defined as follows
11C90 91
Device Number
(basic)
Package Code
D
e
Ceramic Dual In-Line
D
C
QR
Special Variations
QR
e
Commercial grade device
with burn-in
Temperature Range
C
e
Commercial (0 C to
a
85 C)
8
NSC [ NATIONAL SEMICONDUCTOR ]
