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IDT74LVCH16646A Datasheet(PDF) 3 Page - Integrated Device Technology

Part No. IDT74LVCH16646A
Description  3.3V CMOS 16-BIT BUS TRANSCEIVER/REGISTER WITH 3-STATE OUTPUTS 5 VOLT TOLERANT I/O AND BUS-HOLD
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Maker  IDT [Integrated Device Technology]
Homepage  http://www.idt.com
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IDT74LVCH16646A Datasheet(HTML) 3 Page - Integrated Device Technology

   
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INDUSTRIALTEMPERATURERANGE
IDT74LVCH16646A
3.3V CMOS 16-BIT BUS TRANSCEIVER/REGISTER
3
Symbol
Parameter
Test Conditions
Min.
Typ.(1)
Max.
Unit
VIH
Input HIGH Voltage Level
VCC = 2.3V to 2.7V
1.7
V
VCC = 2.7V to 3.6V
2
VIL
Input LOW Voltage Level
VCC = 2.3V to 2.7V
0.7
V
VCC = 2.7V to 3.6V
0.8
IIH
Input Leakage Current
VCC = 3.6V
VI = 0 to 5.5V
±5µA
IIL
IOZH
High Impedance Output Current
VCC = 3.6V
VO = 0 to 5.5V
±10
µA
IOZL
(3-State Output pins)
IOFF
Input/Output Power Off Leakage
VCC = 0V, VIN or VO
5.5V
±50
µA
VIK
Clamp Diode Voltage
VCC = 2.3V, IIN = –18mA
–0.7
–1.2
V
VH
Input Hysteresis
VCC = 3.3V
100
mV
ICCL
Quiescent Power Supply Current
VCC = 3.6V
VIN = GND or VCC
——
10
µA
ICCH
ICCZ
3.6
VIN 5.5V(2)
——
10
∆ICC
Quiescent Power Supply Current
One input at VCC - 0.6V, other inputs at VCC or GND
500
µA
Variation
DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE
FollowingConditionsApplyUnlessOtherwiseSpecified:
Operating Condition: TA = –40°C to +85°C
NOTES:
1. Typical values are at VCC = 3.3V, +25°C ambient.
2. This applies in the disabled state only.
NOTES:
1. H = HIGH Voltage Level
X = Don’t Care
L = LOW Voltage Level
↑ = LOW-to-HIGH transition
2. The data output functions may be enabled or disabled by various signals at the xOE or xDIR inputs. Data input functions are always enabled, i.e. data at the bus pins will
be stored on every LOW-to-HIGH transition of the clock inputs.
FUNCTION TABLE(1)
Inputs
Data I/O
(2)
xOE
xDIR
xCLKAB
xCLKBA
xSAB
xSBA
xAx
xBx
Operation or Function
XX
X
X
X
Input
Unspecified
Store A, B unspecified(2)
XXX
X
X
Unspecified
Input
Store B, A unspecified(2)
HX
↑↑
X
X
Input
Input
Store A and B data
H
X
H or L
H or L
X
X
Input
Input
Isolation,holdstorage
L
L
X
X
X
L
Output
Input
Real time B data to A bus
L
L
X
H or L
X
H
Output
Input
Stored B data to A bus
L
H
X
X
L
X
Input
Output
Real time A data to B bus
L
H
H or L
X
H
X
Input
Output
Stored A data to B bus


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