74ALS253 데이터 시트보기 (PDF) - Philips Electronics
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74ALS253 Datasheet PDF : 9 Pages
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Philips Semiconductors
Dual 4-input multiplexer (3-State)
Product specification
74ALS253
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
VCC±10%, VIL = MAX,
VIH = MIN
IOH = –0.4mA
IOH = –2.6mA
VCC – 2
2.4
V
V
VOL
Low-level output voltage
VCC = MIN, VIL = MAX,
VIH = MIN
IOL = 12mA
IOL = 24mA
0.25 0.40
V
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 = 0.4V
–0.1
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
ICC
Supply current (total)
ICC
ICCZ VCC = MAX
7.0
12
mA
9.0
14
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.
AC ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
tPLH
Propagation delay
tPHL
In to Yn
tPLH
Propagation delay
tPHL
Sn to Yn
tPZH
Output enable time, High or Low level
tPZL
OEn to Yn
tPHZ
Output disable time, High or Low level
tPLZ
OEn to Yn
TEST CONDITION
Waveform 1
Waveform 1
Waveform 2
Waveform 3
Waveform 2
Waveform 3
LIMITS
Tamb = 0°C to +70°C
VCC = +5.0V ± 10%
CL = 50pF, RL = 500Ω
MIN
MAX
4.0
12.0
4.0
12.0
5.0
15.0
7.0
16.0
1.0
8.0
3.0
9.0
1.0
7.0
1.0
7.0
UNIT
ns
ns
ns
ns
1991 Feb 08
4
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