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74LVTH652 Datasheet(PDF) 1 Page - Fairchild Semiconductor

Part No. 74LVTH652
Description  Low Voltage Octal Transceiver/Register with 3-STATE Outputs
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com

74LVTH652 Datasheet(HTML) 1 Page - Fairchild Semiconductor

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© 2000 Fairchild Semiconductor Corporation
April 2000
Revised April 2000
Low Voltage Octal Transceiver/Register
with 3-STATE Outputs
General Description
The LVTH652 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 the
internal registers. Data on the A or B bus will be clocked
into the registers as the appropriate clock pin goes to HIGH
logic level. Output Enable pins (OEAB, OEBA) are pro-
vided to control the transceiver function. (See Functional
The LVTH652 data inputs include bushold, eliminating the
need for external pull-up resistors to hold unused inputs.
This octal transceiver/register is designed for low-voltage
(3.3V) VCC applications, but with the capability to provide a
TTL interface to a 5V environment. The LVTH652 is fabri-
cated with an advanced BiCMOS technology to achieve
high speed operation similar to 5V ABT while maintaining
low power dissipation.
s Input and output interface capability to systems at
s Bushold data inputs eliminate the need for external pull-
up resistors to hold unused inputs
s Live insertion/extraction permitted
s Power Up/Down high impedance provides glitch-free
bus loading
s Outputs source/sink
−32 mA/+64 mA
s Functionally compatible with the 74 series 652
s Latch-up performance exceeds 500 mA
Ordering Code:
Devices also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.
Logic Symbols
Order Number
Package Number
Package Description
24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300” Wide
24-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide

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