參數資料
型號： CY74FCT138CTSOC
廠商： CYPRESS SEMICONDUCTOR CORP
元件分類： 通用總線功能
英文描述： 1-of-8 Decoder
中文描述： FCT SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDSO16
封裝： 0.300 INCH, PLASTIC, SOIC-16
文件頁數： 2/6頁
文件大小： 155K
代理商： CY74FCT138CTSOC
CY54/74FCT138T
2
]
Function Table
[1]
Maximum Ratings
[2, 3]
(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.............................................–65
°
C to +135
°
C
Supply Voltage to Ground Potential............... –0.5V to +7.0V
DC Input Voltage............................................ –0.5V to +7.0V
DC Output Voltage......................................... –0.5V to +7.0V
DC Output Current (Maximum Sink Current/Pin).......120 mA
Power Dissipation.......................................................... 0.5W
Static Discharge Voltage ...........................................>2001V
(per MIL-STD-883, Method 3015)
Inputs
E
3
X
X
L
H
H
H
H
H
H
H
H
Outputs
O
3
H
H
H
H
H
H
L
H
H
H
H
E
1
H
X
X
L
L
L
L
L
L
L
L
E
2
X
H
X
L
L
L
L
L
L
L
L
A
0
X
X
X
L
H
L
H
L
H
L
H
A
1
X
X
X
L
L
H
H
L
L
H
H
A
2
X
X
X
L
L
L
L
H
H
H
H
O
0
H
H
H
L
H
H
H
H
H
H
H
O
1
H
H
H
H
L
H
H
H
H
H
H
O
2
H
H
H
H
H
L
H
H
H
H
H
O
4
H
H
H
H
H
H
H
L
H
H
H
O
5
H
H
H
H
H
H
H
H
L
H
H
O
6
H
H
H
H
H
H
H
H
H
L
H
O
7
H
H
H
H
H
H
H
H
H
H
L
Operating Range
Range
Commercial
Military
[4]
Range
All
All
Ambient
Temperature
–40
°
C to +85
°
C
–55
°
C to +125
°
C
V
CC
5V
±
5%
5V
±
10%
Electrical Characteristics
Over the Operating Range
Parameter
Description
Test Conditions
Min.
Typ.
[5]
Max.
Unit
V
OH
V
OH
V
OH
V
OL
Output HIGH Voltage
V
CC
=Min., I
OH
=–32 mA
V
CC
=Min., I
OH
=–15 mA
V
CC
=Min., I
OH
=–12 mA
V
CC
=Min., I
OL
=64 mA
V
CC
=Min., I
OL
=32 mA
Com’l
2.0
V
Output HIGH Voltage
Com’l
2.4
3.3
V
Output HIGH Voltage
Mil
2.4
3.3
V
Output LOW Voltage
Com’l
0.3
0.55
V
Mil
0.3
0.55
V
V
IH
V
IL
V
H
V
IK
I
I
I
IH
I
IL
I
OS
I
OFF
Notes:
1.
2.
3.
4.
5.
6.
7.
Input HIGH Voltage
2.0
V
Input LOW Voltage
Hysteresis
[6]
0.8
V
All inputs
0.2
V
Input Clamp Diode Voltage
V
CC
=Min., I
IN
=–18 mA
V
CC
=Max., V
IN
=V
CC
V
CC
=Max., V
IN
=2.7V
V
CC
=Max., V
IN
=0.5V
V
CC
=Max., V
OUT
=0.0V
V
CC
=0V, V
OUT
=4.5V
–0.7
–1.2
V
μ
A
μ
A
μ
A
mA
μ
A
Input HIGH Current
5
±
1
±
1
Input HIGH Current
Input LOW Current
Output Short Circuit Current
[7]
–60
–120
–225
±
1
Power-Off Disable
H = HIGH Voltage Level. L = LOW Voltage Level. X = Don’t Care.
Unless otherwise noted, these limits are over the operating free-air temperature range.
Unused inputs must always be connected to an appropriate logic voltage level, preferably either V
CC
or ground.
T
is the “instant on” case temperature.
Typical values are at V
=5.0V, T
=+25°C ambient.
This parameter is guaranteed but not tested.
Not more than one output should be shorted at a time. Duration of short should not exceed one second. The use of high-speed test apparatus and/or sample
and hold techniques are preferable in order to minimize internal chip heating and more accurately reflect operational values. Otherwise prolonged shorting of
a high output may raise the chip temperature well above normal and thereby cause invalid readings in other parametric tests. In any sequence of parameter
tests, I
OS
tests should be performed last.
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