DM7490AN

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DM7490A
AC Switching Characteristics
at V
CC
= 5V and T
A
= 25°C
Symbol Parameter
From (Input)
R
L
= 400, C
L
= 15 pF
Units
To (Output) Min Max
f
MAX
Maximum Clock A to Q
A
32
MHz
Frequency B to Q
B
16
t
PLH
Propagation Delay Time
A to Q
A
16 ns
LOW-to-HIGH Level Output
t
PHL
Propagation Delay Time
A to Q
A
18 ns
HIGH-to-LOW Level Output
t
PLH
Propagation Delay Time
A to Q
D
48 ns
LOW-to-HIGH Level Output
t
PHL
Propagation Delay Time
A to Q
D
50 ns
HIGH-to-LOW Level Output
t
PLH
Propagation Delay Time
B to Q
B
16 ns
LOW-to-HIGH Level Output
t
PHL
Propagation Delay Time
B to Q
B
21 ns
HIGH-to-LOW Level Output
t
PLH
Propagation Delay Time
B to Q
C
32 ns
LOW-to-HIGH Level Output
t
PHL
Propagation Delay Time
B to Q
C
35 ns
HIGH-to-LOW Level Output
t
PLH
Propagation Delay Time
B to Q
D
32 ns
LOW-to-HIGH Level Output
t
PHL
Propagation Delay Time
B to Q
D
35 ns
HIGH-to-LOW Level Output
t
PLH
Propagation Delay Time
SET-9 to Q
A
, Q
D
30 ns
LOW-to-HIGH Level Output
t
PHL
Propagation Delay Time
SET-9 to Q
B
, Q
C
40 ns
HIGH-to-LOW Level Output
t
PHL
Propagation Delay Time SET-0
40 ns
HIGH-to-LOW Level Output Any Q
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DM7490A Decade and Binary Counter
Physical Dimensions inches (millimeters) unless otherwise noted
14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide
Package Number N14A
Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and
Fairchild reserves the right at any time without notice to change said circuitry and specifications.
LIFE SUPPORT POLICY
FAIRCHILDS PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD
SEMICONDUCTOR CORPORATION. As used herein:
1. Life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the
body, or (b) support or sustain life, and (c) whose failure
to perform when properly used in accordance with
instructions for use provided in the labeling, can be rea-
sonably expected to result in a significant injury to the
user.
2. A critical component in any component of a life support
device or system whose failure to perform can be rea-
sonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
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DM7490AN

Mfr. #:
Manufacturer:
ON Semiconductor / Fairchild
Description:
Counter ICs
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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