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參數(shù)資料
| 型號： | PI74FCT238T |
| 廠商： | Pericom Semiconductor Corp. |
| 英文描述： | Fast CMOS 1-of-8 Decoder |
| 中文描述： | 快速CMOS 1 - 8解碼器 |
| 文件頁數(shù)： | 4/6頁 |
| 文件大?。?/td> | 55K |
| 代理商： | PI74FCT238T |
4
PS2004A 03/09/96
PI74FCT138/238T
1-OF-8 DECODER
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Maximum Ratings
(Above which the useful life may be impaired. For user guidelines, not tested.)
Storage Temperature ................................................................. –65°C to +150°C
Ambient Temperature with Power Applied .................................-40°C to +85°C
Supply Voltage to Ground Potential (Inputs & Vcc Only) ..........–0.5V to +7.0V
Supply Voltage to Ground Potential (Outputs & D/O Only) .......–0.5V to +7.0V
DC Input Voltage .........................................................................–0.5V to +7.0V
DC Output Current ................................................................................... 120 mA
Power Dissipation......................................................................................... 0.5W
Note:
Stresses greater than those listed under
MAXIMUM RATINGS may cause permanent
damage to the device. This is a stress rating
only and functional operation of the device at
these or any other conditions above those
indicated in the operational sections of this
specification is not implied. Exposure to
absolute maximum rating conditions for
extended periods may affect reliability.
DC Electrical Characteristics
(Over the Operating Range, T
A
= –40°C to +85°C, V
CC
= 5.0V ± 5%)
Parameters Description
Test Conditions
(1)
Min.
Typ
(2)
Max.
Units
V
OH
Output HIGH Voltage
V
CC
= Min., V
IN
= V
IH
or V
IL
I
OH
= –15.0 mA
2.4
3.0
V
V
OL
Output LOW Current
V
CC
= Min., V
IN
= V
IH
or V
IL
I
OL
= 48 mA
0.3
0.50
V
V
IH
Input HIGH Voltage
Guaranteed Logic HIGH Level
2.0
V
V
IL
Input LOW Voltage
Guaranteed Logic LOW Level
0.8
V
I
IH
Input HIGH Current
V
CC
= Max.
V
IN
= V
CC
1
μA
I
IL
Input LOW Current
V
CC
= Max.
V
IN
= GND
–1
μA
V
IK
Clamp Diode Voltage
V
CC
= Min., I
IN
= –18 mA
–0.7
–1.2
V
I
OS
Short Circuit Current
V
CC
= Max.
(3)
, V
OUT
= GND
–60
–120
–225
mA
I
OFF
Power Down Disable
V
CC
= GND, V
OUT
= 4.5V
—
—
100
μA
V
H
Input Hysteresis
200
mV
Capacitance
(T
A
= 25°C, f = 1 MHz)
Parameters
(4)
Description
Test Conditions
Typ
Max.
Units
C
IN
Input Capacitance
V
IN
= 0V
6
10
pF
C
OUT
Output Capacitance
V
OUT
= 0V
8
12
pF
Notes:
1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Typical values are at Vcc = 5.0V, +25°C ambient and maximum loading.
3. Not more than one output should be shorted at one time. Duration of the test should not exceed one second.
4. This parameter is determined by device characterization but is not production tested.
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