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DM74ALS169BN

P1-P3P4-P6P7-P7
www.fairchildsemi.com 4
DM74ALS169B
Absolute Maximum Ratings(Note 1)
Note 1: The “Absolute Maximum Ratings” are those values beyond which
the safety of the device cannot be guaranteed. The device should not be
operated at these limits. The parametric values defined in the Electrical
Characteristics tables are not guaranteed at the absolute maximum ratings.
The “Recommended Operating Conditions” table will define the conditions
for actual device operation.
Recommended Operating Conditions
Note 2: The symbol (↑) indicates that the rising edge of the clock is used as reference.
Supply Voltage 7V
Input Voltage 7V
Operating Free Air Temperature Range 0°C to +70°C
Storage Temperature Range −65°C to +150°C
Typical θ
JA
N Package 78.1°C/W
M Package 106.8°C/W
Symbol Parameter Min Nom Max Units
V
CC
Supply Voltage 4.5 5 5.5 V
V
IH
HIGH Level Input Voltage 2 V
V
IL
LOW Level Input Voltage 0.8 V
I
OH
HIGH Level Output Current −0.4 mA
I
OL
LOW Level Output Current 8 mA
f
CLK
Clock Frequency 0 40 MHz
t
SU
Setup Time (Note 2) Data;
15↑ 6ns
A, B, C, D
En P
, En T 15↑ 8ns
Load
15↑ 8ns
U/D
15↑ 10 ns
t
H
Hold Time (Note 2) Data;
0↑−3ns
A, B, C, D
En P
, En T 0↑−3ns
Load
0↑−4ns
U/D
0↑−4ns
t
W
Width of Clock Pulse 13 ns
5 www.fairchildsemi.com
DM74ALS169B
Electrical Characteristics
over recommended operating free air temperature range. All typical values are measured at V
CC
= 5V, T
A
= 25°C
Switching Characteristics
over recommended operating free air temperature range
Note 3: Propagation delay time from up/down to ripple carry must be measured with the counter at either a minimum or a maximum count. As the logic level
of the up/down input is changed, the ripple carry output will follow. If the count is minimum (0), the ripple carry output transition will be in phase. If the count is
maximum, the ripple carry output will be out of phase.
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
= 8 mA 0.35 0.5 V
Output Voltage
I
I
Input Current @ 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 15 25 mA
Symbol Parameter Conditions From To Min Max Units
f
MAX
Maximum Clock Frequency 40 MHz
t
PLH
Propagation Delay Time V
CC
= 4.5V to 5.5V
Clock Ripple Carry 3 20 ns
LOW-to-HIGH Level Output R
L
= 500Ω
t
PHL
Propagation Delay Time C
L
= 50 pF
Clock Ripple
Carry 6 20 ns
HIGH-to-LOW Level Output
t
PLH
Propagation Delay Time
Clock Any Q 2 15 ns
LOW-to-HIGH Level Output
t
PHL
Propagation Delay Time
Clock Any Q 5 20 ns
HIGH-to-LOW Level Output
t
PLH
Propagation Delay Time
En T Ripple Carry 2 13 ns
LOW-to-HIGH Level Output
t
PHL
Propagation Delay Time
En T Ripple
Carry 3 16 ns
HIGH-to-LOW Level Output
t
PLH
Propagation Delay Time
U/D
(Note 3) Ripple Carry 5 19 ns
LOW-to-HIGH Level Output
t
PHL
Propagation Delay Time
U/D (Note 3) Ripple Carry 5 19 ns
HIGH-to-LOW Level Output
www.fairchildsemi.com 6
DM74ALS169B
Physical Dimensions inches (millimeters) unless otherwise noted
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
Package Number M16A
P1-P3P4-P6P7-P7

DM74ALS169BN

Mfr. #:
Buy DM74ALS169BN
Manufacturer:
ON Semiconductor / Fairchild
Description:
Counter ICs Syn 4-Bit Counter
Lifecycle:
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