74ALS620A-1 データシートの表示（PDF） - Philips Electronics
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74ALS620A-1 Datasheet PDF : 11 Pages
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Philips Semiconductors
Transceivers
Product specification
74ALS620A/74ALS620A-1
74ALS623A/74ALS623A-1
DC ELECTRICAL CHARACTERISTICS
(Over recommended operating free-air temperature range unless otherwise noted.)
SYMBOL
PARAMETER
TEST CONDITIONS1
LIMITS
UNIT
MIN TYP2 MAX
VOH High-level output voltage
VCC = ±10%, VIL = MAX, IOH = –0.4mA VCC – 2
V
VIH = MIN
IOH = –3mA
2.4
3.2
V
VCC = MIN, VIL = MAX,
VIH = MIN
IOH = –15mA 2.0
V
VOL
Low-level output
voltage
All versions
–1 versions
VCC = MIN, VIL = MAX,
VIH = MIN
VCC = 4.75V, VIL = MAX,
VIH = MIN
IOL = 12mA
IOL = 24mA
IOL = 48mA
0.25 0.40
V
0.35 0.50
V
0.35 0.50
V
VIK
Input clamp voltage
VCC = MIN, II = IIK
–0.73 –1.5
V
Input current at
II
maximum input
voltage
OEBA or OEAB
A or B ports
VCC = MAX, VI = 7.0V
VCC = MAX, VI = 5.5V
0.1
mA
0.1
mA
IIH
High-level input current3
IIL
Low-level input current3
VCC = MAX, VI = 2.7V
VCC = MAX, VI = 0.4V
20
µA
–0.1 mA
IO
Output current4
VCC = MAX, VO = 2.25V
–30
–112 mA
74ALS620A
74ALS620A-1
ICCH
ICCL
VCC = MAX
24
34
mA
42
49
mA
ICC
Supply current (total)
ICCZ
ICCH
74ALS623A
74ALS623A-1
ICCL
VCC = MAX
45
52
mA
24
43
mA
41
50
mA
ICCZ
46
55
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. For I/O ports, the parameter IIH and IIL include the off-state current.
4. 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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