74F251A 데이터 시트보기 (PDF) - Philips Electronics
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74F251A Datasheet PDF : 5 Pages
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Philips Semiconductors
8-input multiplexer (3-State)
Product specification
74F251A
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
VCC
VIN
IIN
VOUT
IOUT
Tamb
Tstg
Supply voltage
Input voltage
Input current
Voltage applied to output in High output state
Current applied to output in Low output state
Operating free-air temperature range
Storage temperature
RATING
–0.5 to +7.0
–0.5 to +7.0
–30 to +5
–0.5 to VCC
48
0 to +70
–65 to +150
UNIT
V
V
mA
V
mA
°C
°C
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
–3
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
VCC = MIN, VIL = MAX,
VIH = MIN, IOH = MAX
VCC = MIN, VIL = MAX,
VIH = MIN, IOL = MAX
±10%VCC 2.4
V
±5%VCC 2.7
3.3
V
±10%VCC
0.35 0.50
V
±5%VCC
0.35 0.50
V
VIK
Input clamp voltage
VCC = MIN, II = IIK
II
Input current at maximum input
voltage
VCC = MAX, VI = 7.0V
–0.73 –1.2
V
100
µA
IIH
IIL
IOZH
High-level input current
Low-level input current
Off-state output current
High-level voltage applied
VCC = MAX, VI = 2.7V
VCC = MAX, VI = 0.5V
VCC = MAX, VI = 2.7V
20
µA
–0.6 mA
50
µA
IOZL
Off-state output current
Low-level voltage applied
VCC = MAX, VI = 0.5V
–50 mA
IOS
Short-circuit output current3
VCC = MAX
–60
–150 mA
ICCH
20
27
mA
ICC
Supply current (total) ICCL
VCC = MAX
17
24
mA
ICCZ
21
29
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. Not more than one output should be shorted at a time. For testing IOS, the use of high-speed test apparatus and/or sample-and-hold
techniques are preferable in order to minimize internal heating and more accurately reflect operational values. Otherwise, prolonged shorting
of a High output may raise the chip temperature well above normal and thereby cause invalid readings in other parameter tests. In any
sequence of parameter tests, IOS tests should be performed last.
1996 Jan 05
3
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