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74LVTH16501MTDX

Low Voltage 18-Bit Universal Bus Transceivers with Bushold and 3-STATE Outputs

Fairchild Semiconductor 

March 2001

Revised March 2001

74LVTH16501

Low Voltage 18-Bit Universal Bus Transceivers

with Bushold and 3-STATE Outputs

General Description

The LVTH16501 is an 18-bit universal bus transceiver

combining D-type latches and D-type flip-flops to allow

data flow in transparent, latched, and clocked modes.

Data flow in each direction is controlled by output-enable

(OEAB and OEBA), latch-enable (LEAB and LEBA), and

clock (CLKAB and CLKBA) inputs.

The LVTH16501 data inputs include bushold, eliminating

the need for external pull-up resistors to hold unused

inputs.

The transceiver is designed for low voltage (3.3V) VCC

applications, but with the capability to provide a TTL inter-

face to a 5V environment. The LVTH16501 is fabricated

with an advanced BiCMOS technology to achieve high

speed operation similar to 5V ABT while maintaining low

power dissipation.

Features

s Input and output interface capability to systems at

5V VCC

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 16501

s ESD Performance:

Human-Body Model > 2000V

Machine Model > 200V

Charged-Device Model > 1000V

Ordering Code:

Order Number Package Number

Package Description

74LVTH16501MEA

MS56A

56-Lead Shrink Small Outline Package (SSOP), JEDEC MO-118, 0.300 Wide

74LVTH16501MTD

MTD56

56-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide

Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.

© 2001 Fairchild Semiconductor Corporation DS500101

www.fairchildsemi.com

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