74ALS373 Ver la hoja de datos (PDF) - Philips Electronics
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74ALS373 Datasheet PDF : 13 Pages
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Philips Semiconductors
Latch/flip-flop
Product specification
74ALS373/74ALS374
RECOMMENDED OPERATING CONDITIONS
SYMBOL
PARAMETER
VCC
VIH
VIL
IIK
IOH
IOL
Tamb
Supply voltage
High-level input voltage
Low-level input voltage
Input clamp current
High-level output current
Low-level output current
Operating free-air temperature range
LIMITS
MIN NOM MAX
4.5
5.0
5.5
2.0
0.8
–18
–2.6
24
0
+70
UNIT
V
V
V
mA
mA
mA
°C
DC ELECTRICAL CHARACTERISTICS
(Over recommended operating free-air temperature range unless otherwise noted.)
SYMBOL
PARAMETER
TEST CONDITIONS1
LIMITS
MIN TYP2 MAX
UNIT
VOH
High-level output voltage
VOL
Low-level output voltage
VIK
Input clamp voltage
II
Input current at maximum input voltage
IIH
High-level input current
IIL
Low-level input
current
74ALS373
74ALS374
VCC = ±10%, VIL = MAX, IOH = –0.4mA VCC – 2
V
VIH = MIN
IOH = MAX
2.4
3.2
V
VCC = MIN, VIL = MAX,
VIH = MIN
IOL = 12mA
IOL = 24mA
0.25 0.40
V
0.35 0.50
V
VCC = MIN, II = IIK
–0.73 –1.2
V
VCC = MAX, VI = 7.0V
0.1
mA
VCC = MAX, VI = 2.7V
20
µA
VCC = MAX, VI = 0.4V
–0.1
mA
–0.2
mA
IOZH
Off-state output current,
High-level voltage applied
VCC = MAX, VI = 2.7V
20
µA
IOZL
Off-state output current,
Low-level voltage applied
VCC = MAX, VI = 0.4V
–20
µA
IO
Output current3
VCC = MAX, VO = 2.25V
–30
–112
mA
ICCH
7
16
mA
74ALS373 ICCL VCC = MAX
14
25
mA
ICC
Supply current (total)
ICCZ
ICCH
17
27
mA
11
19
mA
74ALS374 ICCL VCC = MAX
19
29
mA
ICCZ
20
31
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 approximates one half of the true short-circuit output current, IOS.
1991 Feb 08
6
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