CY74FCT138ATPC 查看數據表（PDF） - Cypress Semiconductor
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CY74FCT138ATPC Datasheet PDF : 6 Pages
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CY54/74FCT138T
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Function
Table[1]
Inputs
Outputs
E1
E2
E3
A0
A1
A2
O0
O1
O2
O3
O4
O5
O6
O7
H
X
X
X
X
X
H
H
H
H
H
H
H
H
X
H
X
X
X
X
H
H
H
H
H
H
H
H
X
X
L
X
X
X
H
H
H
H
H
H
H
H
L
L
H
L
L
L
L
H
H
H
H
H
H
H
L
L
H
H
L
L
H
L
H
H
H
H
H
H
L
L
H
L
H
L
H
H
L
H
H
H
H
H
L
L
H
H
H
L
H
H
H
L
H
H
H
H
L
L
H
L
L
H
H
H
H
H
L
H
H
H
L
L
H
H
L
H
H
H
H
H
H
L
H
H
L
L
H
L
H
H
H
H
H
H
H
H
L
H
L
L
H
H
H
H
H
H
H
H
H
H
H
L
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)
Operating Range
Range
Commercial
Military[4]
Range
All
All
Ambient
Temperature
–40°C to +85°C
–55°C to +125°C
VCC
5V ± 5%
5V ± 10%
Electrical Characteristics Over the Operating Range
Parameter
Description
Test Conditions
Min. Typ.[5] Max. Unit
VOH
Output HIGH Voltage
VCC=Min., IOH=–32 mA
Com’l
2.0
V
VOH
Output HIGH Voltage
VCC=Min., IOH=–15 mA
Com’l
2.4
3.3
V
VOH
Output HIGH Voltage
VCC=Min., IOH=–12 mA
Mil
2.4
3.3
V
VOL
Output LOW Voltage
VCC=Min., IOL=64 mA
Com’l
0.3
0.55
V
VCC=Min., IOL=32 mA
Mil
0.3
0.55
V
VIH
Input HIGH Voltage
2.0
V
VIL
Input LOW Voltage
VH
Hysteresis[6]
All inputs
0.8
V
0.2
V
VIK
Input Clamp Diode Voltage
VCC=Min., IIN=–18 mA
–0.7 –1.2
V
II
Input HIGH Current
VCC=Max., VIN=VCC
5
µA
IIH
Input HIGH Current
VCC=Max., VIN=2.7V
±1
µA
IIL
Input LOW Current
VCC=Max., VIN=0.5V
IOS
Output Short Circuit Current[7] VCC=Max., VOUT=0.0V
±1
µA
–60 –120 –225 mA
IOFF
Power-Off Disable
VCC=0V, VOUT=4.5V
±1
µA
Notes:
1. H = HIGH Voltage Level. L = LOW Voltage Level. X = Don’t Care.
2. Unless otherwise noted, these limits are over the operating free-air temperature range.
3. Unused inputs must always be connected to an appropriate logic voltage level, preferably either VCC or ground.
4. TA is the “instant on” case temperature.
5. Typical values are at VCC=5.0V, TA=+25°C ambient.
6. This parameter is guaranteed but not tested.
7. 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, IOS tests should be performed last.
2
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