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74LCX652 Datasheet(PDF) 1 Page - Fairchild Semiconductor

Part No. 74LCX652
Description  Low Voltage Transceiver/Register with 5V Tolerant Inputs and Outputs
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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74LCX652 Datasheet(HTML) 1 Page - Fairchild Semiconductor

 
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© 2001 Fairchild Semiconductor Corporation
DS011998
www.fairchildsemi.com
February 1994
Revised March 2001
74LCX652
Low Voltage Transceiver/Register
with 5V Tolerant Inputs and Outputs
General Description
The LCX652 consists of bus transceiver circuits with D-
type flip-flops, and control circuitry arranged for multiplexed
transmission of data directly from the input bus or from
internal registers. Data on the A or B bus will be clocked
into the registers as the appropriate clock pin goes to the
HIGH logic level. Output Enable pins (OEAB, OEBA) are
provided to control the transceiver function.
The LCX652 is designed for low voltage (2.5V or 3.3V) VCC
applications with capability of interfacing to a 5V signal
environment.
The LCX652 is fabricated with an advanced CMOS tech-
nology to achieve high speed operation while maintaining
CMOS low power dissipation.
Features
s 5V tolerant inputs and outputs
s 2.3V
− 3.6V V
CC specifications provided
s 7.0 ns tPD max (VCC = 3.3V), 10 µA ICC max
s Power down high impedance inputs and outputs
s Supports live insertion/withdrawal (Note 1)
s
±24 mA output drive (V
CC = 3.0V)
s Implements patented noise/EMI reduction circuitry
s Latch-up performance exceeds 500 mA
s ESD performance:
Human body model
> 2000V
Machine model
> 200V
Note 1: To ensure the high-impedance state during power up or down, OE
should be tied to VCC through a pull-up resistor: the minimum value or the
resistor is determined by the current-sourcing capability of the driver.
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram
Pin Descriptions
Order Number
Package Number
Package Description
74LCX652WM
M24B
24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
74LCX652MSA
MSA24
24-Lead Shrink Small Outline Package (SSOP), EIAJ TYPE II, 5.3mm Wide
74LCX652MTC
MTC24
24-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
Pin Names
Description
A0–A7, B0–B7
A and B Inputs/3-STATE Outputs
CPAB, CPBA
Clock Inputs
SAB, SBA
Select Inputs
OEAB, OEBA
Output Enable Inputs


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