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SN54ALS161B_07 Datasheet(Fiches technique) 9 Page - Texas Instruments

Numéro de pièce SN54ALS161B_07
Description  SYNCHRONOUS 4-BIT DECADE AND BINARY COUNTERS
Télécharger  27 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
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SN54ALS161B, SN54ALS162B, SN54ALS163B, SN54AS161, SN54AS163
SN74ALS161B, SN74ALS163B, SN74AS161, SN74AS163
SYNCHRONOUS 4-BIT DECADE AND BINARY COUNTERS
SDAS276A – DECEMBER 1994 – REVISED JULY 2000
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions
SN54AS161
SN54AS163
SN74AS161
SN74AS163
UNIT
MIN
NOM
MAX
MIN
NOM
MAX
VCC
Supply voltage
4.5
5
5.5
4.5
5
5.5
V
VIH
High-level input voltage
2
2
V
VIL
Low-level input voltage
0.8
0.8
V
IOH
High-level output current
–2
–2
mA
IOL
Low-level output current
20
20
mA
TA
Operating free-air temperature
–55
125
0
70
°C
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54AS161
SN54AS163
SN74AS161
SN74AS163
UNIT
MIN
TYP†
MAX
MIN
TYP†
MAX
VIK
VCC = 4.5 V,
II = – 18 mA
– 1.2
– 1.2
V
VOH
VCC = 4.5 V to 5.5 V,
IOH = – 2 mA
VCC –2
VCC –2
V
VOL
VCC = 4.5 V,
IOL = 20 mA
0.25
0.5
0.25
0.5
V
LOAD
0.3
0.3
II
ENT
VCC = 5.5 V,
VI = 7 V
0.2
0.2
mA
All others
0.1
0.1
LOAD
60
60
IIH
ENT
VCC = 5.5 V,
VI = 2.7 V
40
40
µA
All others
20
20
LOAD
–1.5
–1.5
IIL
ENT
VCC = 5.5 V,
VI = 0.4 V
–1
–1
mA
All others
– 0.5
– 0.5
IO‡
VCC = 5.5 V,
VO = 2.25 V
–30
–112
–30
–112
mA
ICC
VCC = 5.5 V
35
53
35
53
mA
† All typical values are at VCC = 5 V, TA = 25°C.
‡ The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, IOS.




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