74F640 查看數據表（PDF） - Philips Electronics
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74F640 Datasheet PDF : 11 Pages
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Philips Semiconductors
Octal bus transceiver, inverting (3-State)
Product specification
74F640
ABSOLUTE MAXIMUM RATINGS
(Operation beyond the limits 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
VCC
VIN
IIN
VOUT
IOUT
Supply voltage
Input voltage
Input current
Voltage applied to output in High output state
Current applied to output in Low output state
A0–A7
B0–B7
Tamb
Tstg
Operating free-air temperature range
Storage temperature range
RECOMMENDED OPERATING CONDITIONS
SYMBOL
PARAMETER
MIN
VCC
Supply voltage
VIH
High-level input voltage
VIL
Low-level input voltage
IIK
Input clamp current
IOH
High-level output current
4.5
2.0
A0–A7
B0–B7
IOL
Low-level output current
A0–A7
B0–B7
Tamb
Operating free-air temperature range
0
RATING
–0.5 to +7.0
–0.5 to +7.0
–30 to +5
–0.5 to +VCC
48
128
0 to +70
–65 to +150
LIMITS
NOM
5.0
MAX
5.5
0.8
–18
–3
–15
24
64
70
UNIT
V
V
mA
V
mA
mA
°C
°C
UNIT
V
V
V
mA
mA
mA
mA
mA
°C
1989 Nov 27
4
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