MC54F74 查看數據表（PDF） - Motorola => Freescale
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MC54F74 Datasheet PDF : 3 Pages
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MC54/74F74
LOGIC DIAGRAM
Q
Q
D
CP
SD
CD
NOTE:
This diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays.
GUARANTEED OPERATING RANGES
Symbol
Parameter
VCC
Supply Voltage
TA
Operating Ambient Temperature Range
IOH
Output Current — High
IOL
Output Current — Low
Min
Typ
Max
Unit
54, 74
4.50
5.0
5.50
V
54
–55
25
125
°C
74
0
25
70
54, 74
–1.0
mA
54, 74
20
mA
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Limits
Symbol
Parameter
Min Typ Max Unit
Test Conditions
VIH
VIL
VIK
VOH
VOL
IIH
IIL
Input HIGH Voltage
Input LOW Voltage
Input Clamp Diode Voltage
Output HIGH Voltage
Output LOW Voltage
Input HIGH Current
Input LOW Current
(CP and D Inputs)
2.0
V
Guaranteed Input HIGH Voltage
0.8
V
Guaranteed Input LOW Voltage
–1.2
V
IIN = –18 mA
54, 74 2.5
3.4
V
IOH = –1.0 mA
74 2.7
3.4
V
IOH = –1.0 mA
0.35 0.5
V
IOL = 20mA
20
µA
VIN = 2.7 V
100
µA
VIN = 7.0 V
VCC = MIN
VCC = 4.50 V
VCC = 4.75 V
VCC = MIN
VCC = MAX
–0.6
mA
VIN = 0.5V
VCC = MAX
(CD and SD Inputs)
–1.8
mA
IOS
Output Short Circuit Current (Note 2)
–60
–150
mA
VOUT = 0 V
ICC
Power Supply Current
10.5
16
mA
VCP = 0 V
NOTES:
1. For conditions shown as MIN or MAX, use the appropriate value specified under guaranteed operating ranges.
2. Not more then one output should be shorted at a time, nor for more than 1 second.
VCC = MAX
VCC = MAX
FAST AND LS TTL DATA
4-34
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