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CY74FCT2244ATSOCT Datasheet(PDF) 2 Page - Texas Instruments

Part # CY74FCT2244ATSOCT
Description  8-Bit Buffers/Line Drivers
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

CY74FCT2244ATSOCT Datasheet(HTML) 2 Page - Texas Instruments

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CY74FCT2240T
CY74FCT2244T
2
]
Maximum Ratings[2, 3]
(Above which the useful life may be impaired. For user guide-
lines, 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)
Function Table FCT2240T[1]
Inputs
Output
OEA
OEB
D
L
L
H
L
L
H
L
H
X
H
L
Z
Function Table FCT2244T[1]
Inputs
Output
OEA
OEB
D
L
L
H
L
L
H
L
H
X
L
H
Z
Operating Range
Range
Range
Ambient
Temperature
VCC
Commercial
T, AT, CT
–40
°C to +85°C
5V
± 5%
Electrical Characteristics Over the Operating Range
Parameter
Description
Test Conditions
Min.
Typ.[5]
Max.
Unit
VOH
Output HIGH Voltage
VCC=Min., IOH=–15 mA
Com’l
2.4
3.3
V
VOL
Output LOW Voltage
VCC=Min., IOL=12 mA
Com’l
0.3
0.55
V
ROUT
Output Resistance
VCC=Min., IOL=12 mA
Com’l
20
25
40
VIH
Input HIGH Voltage
2.0
V
VIL
Input LOW Voltage
0.8
V
VH
Hysteresis[6]
All inputs
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
±1
µA
IOZH
Off State HIGH-Level
Output Current
VCC=Max., VOUT=2.7V
10
µA
IOZL
Off State LOW-Level
Output Current
VCC=Max., VOUT=0.5V
–10
µA
IOS
Output Short Circuit Current[7]
VCC=Max., VOUT=0.0V
–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 specified 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.


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