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參數資料
| 型號： | CGS2537V |
| 文件頁數： | 1/6頁 |
| 文件大小： | 103K |
| 代理商： | CGS2537V |
TL/F/11957
C
C
September 1995
CGS2537V
Commercial Quad 1 to 4 Clock Drivers
CGS2537TV
Industrial Quad 1 to 4 Clock Drivers
General Description
These Clock Generation and Support clock drivers are spe-
cifically designed for driving memory arrays requiring large
fanouts while operating at high speeds.
CGS2537 is a 4 to 16 inverting driver with TTL compatible
I/Os. This device features the same characteristics of
CGS2534 with an added series resistor on the output for
ease of termination while reducing the undershoot.
This device has skew specifications of 350 ps pin-to-pin as
well as a 650 ps specification for part-to-part propagation
delay variation.
Features
Y
Nominal 8
X
output series resistor
Y
Guaranteed and tested:
D 350 ps pin-to-pin skew (T
OSHL
and T
OSLH
)
Y
650 ps part-to-part variation on positive OR negative
transition
Y
Implemented on National’s ABT family process
Y
Output current drive:
D
b
36 mA/
a
20 mA I
OH
/I
OL
Y
Industrial temperature of
b
40
§
C to
a
85
§
C
Y
28-pin PLCC for optimum skew performance
Y
Symmetric package orientation
Y
Large fanout for memory driving applications
Y
Guaranteed 2 kV ESD protection
Connection Diagrams
Pin Assignment for 28-Pin PLCC
TL/F/11957–2
Truth Table
Input
Output
In (0–3)
ABCD Out (0–3)
CGS2537
TL/F/11957–1
C
1995 National Semiconductor Corporation
RRD-B30M115/Printed in U. S. A.
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