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參數資料
| 型號： | MC74F126 |
| 廠商： | Motorola, Inc. |
| 英文描述： | 3-STATE QUAD BUFFERS |
| 中文描述： | 三態緩沖器四 |
| 文件頁數： | 2/5頁 |
| 文件大小： | 131K |
| 代理商： | MC74F126 |
4-84
FAST AND LS TTL DATA
MC54/74F125
MC54/74F126
Inputs
Output
Inputs
Output
C
L
L
H
A
L
H
X
Y
L
H
Z
C
H
H
L
A
L
H
X
Y
L
H
Z
Function Table
MC54/74F125
Function Table
MC54/74F126
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
2.0
V
Guaranteed Input HIGH Voltage
VIL
Input LOW Voltage
0.8
V
Guaranteed Input LOW Voltage
VIK
Input Clamp Diode Voltage
–1.2
V
IIN = –18 mA
VCC = MIN
VOH
Output HIGH Voltage
54,74
2.4
3.4
V
IOH = –3.0 mA
IOH = –3.0 mA
IOH = –12 mA
IOH = –15 mA
IOL = 48 mA
IOL = 64 mA
VCC = 4.50 V
VCC = 4.75 V
VCC = 4.50 V
74
2.7
3.4
V
54
2.0
V
74
2.0
V
VOL
Output LOW Voltage
54
0.55
V
VCC = MAX
74
0.55
V
IOZH
Output Off Current
HIGH
50
μ
A
VOUT = 2.7 V
VCC = MAX
IOZL
Output Off Current LOW
–50
μ
A
VOUT = 0.5 V
VCC = MAX
IIH
Input HIGH Current
20
VIN = 2.7 V
VIN = 7.0 V
VCC = MAX
VCC = 0 V
100
μ
A
IIL
Input LOW Current
–20
μ
A
VIN = 0.5 V
VCC = MAX
IOS
Output Short Ciru‘cuit Current Note 2
–100
–225
mA
VOUT = GND
VCC = MAX
ICCH
ICCL
ICCZ
ICCH
ICCL
ICCZ
24
mA
VCC = MAX
F125
40
35
ICC
30
F126
48
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.
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