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PDF ( 数据手册 , 数据表 ) 74LVT16373

零件编号 74LVT16373
描述 Low Voltage 16-Bit Transparent Latch with 3-STATE Outputs
制造商 Fairchild Semiconductor
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74LVT16373 数据手册, 描述, 功能
January 1999
Revised April 1999
74LVT16373 • 74LVTH16373
Low Voltage 16-Bit Transparent Latch with
3-STATE Outputs
General Description
The LVT16373 and LVTH16373 contain sixteen non-invert-
ing latches with 3-STATE outputs and is intended for bus
oriented applications. The device is byte controlled. The
flip-flops appear transparent to the data when the Latch
Enable (LE) is HIGH. When LE is LOW, the data that meets
the setup time is latched. Data appears on the bus when
the Output Enable (OE) is LOW. When OE is HIGH, the
outputs are in a high impedance state.
The LVTH16373 data inputs include bushold, eliminating
the need for external pull-up resistors to hold unused
inputs.
These latches are designed for low-voltage (3.3V) VCC
applications, but with the capability to provide a TTL inter-
face to a 5V environment. The LVT16373 and LVTH16373
are fabricated with an advanced BiCMOS technology to
achieve high speed operation similar to 5V ABT while
maintaining a 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 (74LVTH16373), also
available without bushold feature (74LVT16373).
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 16373
s Latch-up performance exceeds 500 mA
Ordering Code:
Order Number
Package
Number
Package Descripion
74LVT16373MEA
MS48A
48-Lead Small Shrink Outline Package (SSOP), JEDEC MO-118, 0.300” Wide
74LVT16373MTD
MTD48
48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
74LVTH16373MEA
MS48A
48-Lead Small Shrink Outline Package (SSOP), JEDEC MO-118, 0.300” Wide
74LVTH16373MTD
MTD48
48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.
Logic Symbol
© 1999 Fairchild Semiconductor Corporation DS012021.prf
www.fairchildsemi.com












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