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DM74ALS161BM

P1-P3P4-P6P7-P9
7 www.fairchildsemi.com
DM74ALS161B • DM74ALS162B • DM74ALS163B
Electrical Characteristics
over recommended operating free air temperature range. All typical values are measured at V
CC
= 5V, T
A
= 25°C.
Switching Characteristics DM74ALS161B
over recommended operating free air temperature range.
Switching Characteristics DM74ALS162B, DM74ALS163B
over recommended operating free air temperature range.
Symbol Parameter Conditions Min Typ Max Units
V
IK
Input Clamp Voltage V
CC
= 4.5V, I
I
= −18 mA −1.5 V
V
OH
HIGH Level I
OH
= −0.4 mA
V
CC
− 2V
Output Voltage V
CC
= 4.5V to 5.5V
V
OL
LOW Level V
CC
= 4.5V I
OL
= 4 mA 0.25 0.4 V
Output Voltage I
OL
= 8 mA 0.35 0.5 V
I
I
Input Current at Max
V
CC
= 5.5V, V
IH
= 7V 0.1 mA
Input Voltage
I
IH
HIGH Level Input Current V
CC
= 5.5V, V
IH
= 2.7V 20 µA
I
IL
LOW Level Input Current V
CC
= 5.5V, V
IL
= 0.4V −0.2 mA
I
O
Output Drive Current V
CC
= 5.5V, V
O
= 2.25V −30 −112 mA
I
CC
Supply Current V
CC
= 5.5V 12 21 mA
Symbol Parameter Conditions From To Min Max Units
f
MAX
Maximum Clock Frequency V
CC
= 4.5V to 5.5V 40 MHz
t
PLH
Propagation Delay Time R
L
= 500Ω Clock Ripple
520ns
LOW-to-HIGH Level Output C
L
= 50 pF Carry
t
PHL
Propagation Delay Time Clock Ripple
520ns
HIGH-to-LOW Level Output Carry
t
PLH
Propagation Delay Time
Clock Any Q 4 15 ns
LOW-to-HIGH Level Output
t
PHL
Propagation Delay Time
Clock Any Q 6 20 ns
HIGH-to-LOW Level Output
t
PLH
Propagation Delay Time En T Ripple
313ns
LOW-to-HIGH Level Output Carry
t
PHL
Propagation Delay Time En T Ripple
313ns
HIGH-to-LOW Level Output Carry
t
PHL
Propagation Delay Time Clear Any Q 8 24 ns
HIGH-to-LOW Level Output Clear Ripple
11 23 ns
Carry
Symbol Parameter Conditions From To Min Max Units
f
MAX
Maximum Clock Frequency V
CC
= 4.5V to 5.5V 40 MHz
t
PLH
Propagation Delay Time R
L
= 500Ω Clock Ripple
520ns
LOW-to-HIGH Level Output C
L
= 50 pF Carry
t
PHL
Propagation Delay Time T
A
= Min to Max Clock Ripple
520ns
HIGH-to-LOW Level Output Carry
t
PLH
Propagation Delay Time
Clock Any Q 4 15 ns
LOW-to-HIGH Level Output
t
PHL
Propagation Delay Time
Clock Any Q 6 20 ns
HIGH-to-LOW Level Output
t
PLH
Propagation Delay Time En T Ripple
313ns
LOW-to-HIGH Level Output Carry
t
PHL
Propagation Delay Time En T Ripple
313ns
HIGH-to-LOW Level Output Carry
www.fairchildsemi.com 8
DM74ALS161B • DM74ALS162B • DM74ALS163B
Physical Dimensions inches (millimeters) unless otherwise noted
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
Package Number M16A
9 www.fairchildsemi.com
DM74ALS161B • DM74ALS162B • DM74ALS163B Synchronous Four-Bit Counter
Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Package Number N16E
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
FAIRCHILD’S 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.
www.fairchildsemi.com
P1-P3P4-P6P7-P9

DM74ALS161BM

Mfr. #:
Buy DM74ALS161BM
Manufacturer:
ON Semiconductor / Fairchild
Description:
Counter Shift Registers Syn 4-Bit Binary Ctr
Lifecycle:
New from this manufacturer.
Delivery:
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