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74ALS20A Datasheet(PDF) 3 Page - NXP Semiconductors

Part No. 74ALS20A
Description  Dual 4-Input NAND gate
Download  7 Pages
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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74ALS20A Datasheet(HTML) 3 Page - NXP Semiconductors

   
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Philips Semiconductors
Product specification
74ALS20A
Dual 4-input NAND gate
1996 Jul 01
3
ABSOLUTE MAXIMUM RATINGS
(Operation beyond the limit set forth in this table may impair the useful life of the device.
Unless otherwise noted these limits are over the operating free-air temperature range.)
SYMBOL
PARAMETER
RATING
UNIT
VCC
Supply voltage
–0.5 to +7.0
V
VIN
Input voltage
–0.5 to +7.0
V
IIN
Input current
–30 to +5
mA
VOUT
Voltage applied to output in High output state
–0.5 to VCC
V
IOUT
Current applied to output in Low output state
16
mA
Tamb
Operating free-air temperature range
0 to +70
°C
Tstg
Storage temperature range
–65 to +150
°C
RECOMMENDED OPERATING CONDITIONS
SYMBOL
PARAMETER
LIMITS
UNIT
SYMBOL
PARAMETER
MIN
NOM
MAX
UNIT
VCC
Supply voltage
4.5
5.0
5.5
V
VIH
High-level input voltage
2.0
V
VIL
Low-level input voltage
0.8
V
IIk
Input clamp current
–18
mA
IOH
High-level output current
–0.4
mA
IOL
Low-level output current
8
mA
Tamb
Operating free-air temperature range
0
+70
°C
DC ELECTRICAL CHARACTERISTICS
(Over recommended operating free-air temperature range unless otherwise noted.)
SYMBOL
PARAMETER
TEST CONDITIONS1
LIMITS
UNIT
SYMBOL
PARAMETER
TEST CONDITIONS1
MIN
TYP2
MAX
UNIT
VOH
High-level output voltage
VCC±10%, VIL = MAX, VIH = MIN, IOH = –0.4mA
VCC – 2
V
VO
Low level output voltage
VCC = MIN, VIL = MAX,
IOL = 4mA
0.25
0.40
V
VOL
Low-level output voltage
CC
,
IL
,
VIH = MIN
IOL = 8mA
0.35
0.50
V
VIK
Input clamp voltage
VCC = MIN, II = IIK
–0.73
–1.5
V
II
Input current at maximum input voltage
VCC = MAX, VI = 7.0V
0.1
mA
IIH
High-level input current
VCC = MAX, VI = 2.7V
20
µA
IIL
Low-level input current
VCC = MAX, VI = 0.5V
–0.1
mA
IO
Output current3
VCC = MAX, VO = 2.25V
–30
–112
mA
ICC
Supply current (total)
ICCH
VCC = MAX
VI = 0V
0.3
0.4
mA
ICC
Supply current (total)
ICCL
VCC = MAX
VI = 4.5V
1.0
1.5
mA
NOTES:
1. For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable type.
2. All typical values are at VCC = 5V, Tamb = 25°C.
3. The output conditions have been chosen to produce a current that closely approximate one half of the true short-circuit output current, IOS.


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