MC54F126 Просмотр технического описания (PDF) - Motorola => Freescale
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MC54F126 Datasheet PDF : 5 Pages
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MC54/74F125 • MC54/74F126
Function Table MC54/74F125
Inputs
Output
C
A
Y
L
L
L
L
H
H
H
X
Z
Function Table MC54/74F126
Inputs
Output
C
A
Y
H
L
L
H
H
H
L
X
Z
L = LOW Voltage Level
H = HIGH Voltage Level
X = Don’t Care
Z = High Impedance (off)
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Limits
Symbol
Parameter
Min Typ Max Unit
Test Conditions
VIH
Input HIGH Voltage
VIL
Input LOW Voltage
VIK
Input Clamp Diode Voltage
VOH
Output HIGH Voltage
VOL
IOZH
Output LOW Voltage
Output Off Current
HIGH
2.0
V
Guaranteed Input HIGH Voltage
0.8
V
Guaranteed Input LOW Voltage
–1.2
V
IIN = –18 mA
54,74
2.4
3.4
V
IOH = –3.0 mA
74
2.7
3.4
V
IOH = –3.0 mA
54
2.0
V
IOH = –12 mA
74
2.0
V
IOH = –15 mA
54
0.55
V
IOL = 48 mA
74
0.55
V
IOL = 64 mA
50
µA VOUT = 2.7 V
VCC = MIN
VCC = 4.50 V
VCC = 4.75 V
VCC = 4.50 V
VCC = MAX
VCC = MAX
IOZL
Output Off Current LOW
–50
µA VOUT = 0.5 V
VCC = MAX
IIH
Input HIGH Current
20
VIN = 2.7 V
VCC = MAX
100
µA VIN = 7.0 V
VCC = 0 V
IIL
Input LOW Current
–20
µA VIN = 0.5 V
VCC = MAX
IOS
Output Short Ciru‘cuit Current Note 2
–100
–225 mA VOUT = GND
VCC = MAX
ICCH
24
F125
ICCL
40
ICCZ
35
mA VCC = MAX
ICC
ICCH
30
F126
ICCL
48
ICCZ
39
NOTES:
1. For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable device type.
2. Not more than one output should be shorted at a time, nor for more than 1 second.
FAST AND LS TTL DATA
4-84
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