MC54F258A 데이터 시트보기 (PDF) - Motorola => Freescale
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MC54F258A Datasheet PDF : 3 Pages
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MC74F258A
FUNCTION TABLE
Output
Enable
OE
H
L
L
L
L
H = HIGH Voltage Level
L = LOW Voltage Level
X = Don’t Care
Z = High Impedance
Select
Input
S
X
H
H
L
L
Data
Inputs
I0
I1
X
X
X
L
X
H
L
X
H
X
Output
Z
Z
H
L
H
L
GUARANTEED OPERATING RANGES
Symbol
Parameter
VCC
TA
IOH
IOL
Supply Voltage
Operating Ambient Temperature Range
Output Current — High
Output Current — Low
Min
Typ
Max
Unit
74
4.5
5.0
5.5
V
74
0
25
70
°C
74
–3.0
mA
74
24
mA
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Limits
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
VIH
VIL
VIK
VOH
Input HIGH Voltage
Input LOW Voltage
Input Clamp Diode Voltage
Output HIGH Voltage
2.0
V
Guaranteed Input HIGH Voltage
0.8
V
Guaranteed Input LOW Voltage
–1.2
V
IIN = –18 mA
VCC = MIN
74
2.7
3.3
V
IOH = –3.0 mA
VCC = 4.75 V
74
2.4
VCC = MIN
VOL
IOZH
IOZL
IIH
IIL
IOS
ICCH
ICCL
Output LOW Voltage
Output OFF Current — HIGH
Output OFF Current — LOW
Input HIGH Current
Input LOW Current
Output Short Circuit Current (Note 2)
Power Supply Current
0.35
0.5
V
IOL = 24 mA
VCC = MIN
50
µA
VOUT = 2.7 V
VCC = MAX
–50
µA
VOUT = 0.5 V
VCC = MAX
20
µA
VIN = 2.7 V
VCC = MAX
100
µA
VIN = 7.0 V
–0.6
mA
VIN = 0.5 V
VCC = MAX
–60
–150
mA
VOUT = 0 V
VCC = MAX
6.2
9.5
S, I1x = 4.5 V
OE, I0x = GND
15.1
23
mA
I1x = 4.5 V
VCC = MAX
OE, I0x, S = GND
ICCZ
11.3
17
NOTES:
1. For conditions shown as MIN or MAX, use the appropriate value specified under guaranteed operating ranges.
2. Not more than one output should be shorted at a time, nor for more than 1 second.
S, I0x = GND
OE, I1x = 4.5 V
FAST AND LS TTL DATA
4-131
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