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參數資料
| 型號： | MC74F256N |
| 廠商： | MOTOROLA INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | Processor Supervisory Circuits 5-SOT-23 -40 to 85 |
| 中文描述： | F/FAST SERIES, LOW LEVEL TRIGGERED D LATCH, TRUE OUTPUT, PDIP16 |
| 封裝： | 648-08 |
| 文件頁數： | 3/4頁 |
| 文件大?。?/td> | 112K |
| 代理商： | MC74F256N |
4-125
FAST AND LS TTL DATA
MC54/74F256
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE
(unless otherwise specified)
Limits
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
VIH
VIL
VIK
Input HIGH Voltage
2.0
V
Guaranteed Input HIGH Voltage
Input LOW Voltage
0.8
V
Guaranteed Input LOW Voltage
Input Clamp Diode Voltage
–1.2
V
VCC = MIN, IIN = –18 mA
IOL = –1.0 mA
IOL = –1.0 mA
IOL = 20 mA
VCC = MAX, VIN = 2.7 V
VCC = MAX, VIN = 7.0 V
VCC = MAX, VIN = 0.5 V
VOH
Output HIGH Voltage
54, 74
2.5
V
VCC = MIN
VCC = 4.75 V
VCC = MIN
74
2.7
V
VOL
Output LOW Voltage
0.5
V
IIH
Input HIGH Current
20
μ
A
0.1
mA
IIL
Input LOW Current
–0.6
mA
IOS
Output Short Circuit Current
(Note 2)
–60
–150
mA
VCC = MAX, VOUT = 0 V
Power Supply Current
Total, Output LOW
42
mA
VCC = MAX
ICC
Total, Output HIGH
60
mA
VCC = MAX
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.
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