Details, datasheet, quote on part number: 74ABTH16952
Part74ABTH16952
Category
Description
CompanyN.A.
DatasheetDownload 74ABTH16952 datasheet
  

 

Features, Applications

Product specification Supersedes data of 1995 Sep 28 IC23 Data Handbook 1998 Feb 25
FEATURES

Two 8-bit registered transceivers Live insertion/extraction permitted Power-up 3-State 74ABTH16952 incorporates bus-hold data inputs which eliminate

the need for external pull-up resistors to hold unused inputs
DESCRIPTION

The 74ABT16952 high-performance BiCMOS device combines low static and dynamic power dissipation with high speed and high output drive. The is a dual octal registered transceiver. Two 8-bit registers store data flowing in both directions between two bidirectional buses. Data applied to the inputs is entered and stored on the rising edge of the Clock (nCPXX) provided that the Clock Enable (nCEXX) is Low. The data is then present at the 3-State output buffers, but is only accessible when the Output Enable (nOEXX) is Low. Data flow from A inputs to B outputs is the same as for B inputs to A outputs. Two options are available, 74ABT16952 which does not have the bus-hold feature and 74ABTH16952 which incorporates the bus-hold feature.

Power-up reset Multiple VCC and GND pins minimize switching noise Independent registers for A and B buses Output capability: +64mA/­32mA Latch-up protection exceeds 500mA per Jedec Std 17 ESD protection exceeds 2000V per MIL STD 883 Method 3015 Bus-hold data inputs eliminate the need for external pull-up

resistors to hold unused inputs and 200V per Machine Model

SYMBOL tPLH tPHL CIN CI/O ICCZ ICCL PARAMETER Propagation delay nCPBA to nAx or nCPAB to nBx Input capacitance I/O capacitance Quiescent su supply ly current CONDITIONS Tamb = 25°C; GND = 50pF; VCC 0V or VCC 0V or VCC; 3-State Outputs disabled; VCC = 5.5V Outputs LOW; VCC = 5.5V TYPICAL UNIT µA mA

PACKAGES 56-Pin Plastic SSOP Type III 56-Pin Plastic TSSOP Type II 56-Pin Plastic SSOP Type III 56-Pin Plastic TSSOP Type II TEMPERATURE RANGE to +85°C OUTSIDE NORTH AMERICA DL 74ABT16952 DGG DL 74ABTH16952 DGG NORTH AMERICA DL BT16952 DGG DL BH16952 DGG DWG NUMBER SOT371-1 SOT364-1

PIN NUMBER SYMBOL / 2OEBA GND VCC NAME AND FUNCTION Clock input B / Clock input to A Clock enable input B / Clock enable input to A Data inputs/outputs (A side) Data inputs/outputs (B side) Output enable inputs Ground (0V) Positive supply voltage



 

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