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參數(shù)資料
| 型號： | MC74F2444DW |
| 廠商： | Motorola, Inc. |
| 英文描述： | Supply Voltage Supervisor w/Watchdog input, RESET, /RESET 5-SOT-23 |
| 中文描述： | 八路緩沖器/線路驅(qū)動器，具有三態(tài)輸出快速肖特基TTL |
| 文件頁數(shù)： | 3/4頁 |
| 文件大小： | 89K |
| 代理商： | MC74F2444DW |
4-110
FAST AND LS TTL DATA
MC54/74F240
MC54/74F241
MC54/74F244
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
2.0
V
Guaranteed Input HIGH Voltage
Input LOW Voltage
0.8
V
Guaranteed Input LOW Voltage
Input Clamp Diode Voltage
–1.2
V
IIN = –18 mA
IOH = –3.0 mA
IOH = –3.0 mA
IOH = –12 mA
IOH = –15 mA
IOL = 48 mA
IOL = 64 mA
VOUT = 2.7 V
VOUT = 0.5 V
VIN = 2.7 V
VIN = 7.0 V
VCC = MIN
VCC = 4.50 V
VCC = 4.75 V
VCC = 4.50 V
VCC = 4.50 V
VCC = MIN
Output HIGH Voltage
54, 74
2.4
3.4
V
74
2.7
3.4
V
54
2.0
V
74
2.0
V
VOL
Output LOW Voltage
54
0.55
V
74
0.55
V
IOZH
IOZL
IIH
Output Off Current HIGH
50
μ
A
VCC = MAX
VCC = MAX
VCC = MAX
Output Off Current LOW
–50
μ
A
Input HIGH Current
20
μ
A
100
IIL
Input LOW Current
Data Inputs
F241, F244
–1.6
mA
VIN = 0.5 V
VCC = MAX
Other
–1.0
IOS
Output Short Circuit Current
74
–100
–225
mA
VOUT = GND
VCC = MAX
(Note 2)
54
–100
–275
mA
ICCH
Power Supply Current HIGH
F240
35
F241, F244
60
ICCL
Power Supply Current LOW
F240
75
mA
VCC = MAX
F241, F244
90
ICCZ
Power Supply Current OFF
F240
75
F241, F244
90
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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