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CY74FCT163245APACT Datasheet(PDF) 2 Page - Texas Instruments

Part # CY74FCT163245APACT
Description  16-Bit Transceivers
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
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CY74FCT163245APACT Datasheet(HTML) 2 Page - Texas Instruments

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CY74FCT163245
CY74FCT163H245
2
Maximum Ratings[3, 4]
(Above which the useful life may be impaired. For user guide-
lines, not tested.)
Storage Temperature ................................. –55
°C to +125°C
Ambient Temperature with
Power Applied............................................. –55
°C to +125°C
Supply Voltage Range ........................................0.5V to 4.6V
DC Input Voltage ........................................... –0.5V to +7.0V
DC Output Voltage......................................... –0.5V to +7.0V
DC Output Current
(Maximum Sink Current/Pin) ........................–60 to +120 mA
Power Dissipation .......................................................... 1.0W
Pin Description
Name
Description
OE
Three-State Output Enable Inputs (Active LOW)
DIR
Direction Control
A
Inputs or Three-State Outputs[1]
B
Inputs or Three-State Outputs[1]
Function Table[2]
Inputs
Outputs
OE
DIR
L
L
Bus B Data to Bus A
L
H
Bus A Data to Bus B
H
X
High Z State
Operating Range
Range
Ambient
Temperature
VCC
Industrial
–40
°C to +85°C
2.7V to 3.6V
Electrical Characteristics for Non Bus Hold Devices Over the Operating Range VCC=2.7V to 3.6V
Parameter
Description
Test Conditions
Min.
Typ.[5]
Max.
Unit
VIH
Input HIGH Voltage
All Inputs
2.0
5.5
V
VIL
Input LOW Voltage
0.8
V
VH
Input Hysteresis[6]
100
mV
VIK
Input Clamp Diode Voltage
VCC=Min., IIN=–18 mA
–0.7
–1.2
V
IIH
Input HIGH Current
VCC=Max., VI=5.5
±1
µA
IIL
Input LOW Current
VCC=Max., VI=GND
±1
µA
IOZH
High Impedance Output Current
(Three-State Output pins)
VCC=Max., VOUT=5.5V
±1
µA
IOZL
High Impedance Output Current
(Three-State Output pins)
VCC=Max., VOUT=GND
±1
µA
IOS
Short Circuit Current[7]
VCC=Max., VOUT=GND
–60
–135
–240
mA
IOFF
Power-Off Disable
VCC=0V, VOUT≤4.5V
±100
µA
ICC
Quiescent Power Supply Current
VIN≤0.2V,
VIN>VCC–0.2V
VCC=Max.
0.1
10
µA
∆I
CC
Quiescent Power Supply Current
(TTL inputs HIGH)
VIN=VCC–0.6V
[8]
VCC=Max.
2.0
30
µA
Note:
1.
On the CY74FCT163H245, these pins have bus hold.
2.
H = HIGH Voltage Level. L = LOW Voltage Level. X = Don’t Care. Z = High Impedance.
3.
Operation beyond the limits set forth may impair the useful life of the device. Unless otherwise noted, these limits are over the operating free-air temperature
range.
4.
Unused inputs must always be connected to an appropriate logic voltage level, preferably either VCC or ground.
5.
Typical values are at VCC=3.3V, 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.
8.
Per TTL driven input; all other inputs at VCC or GND.


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