74AC899 Datasheet PDF - National Semiconductor
Part Number | 74AC899 | |
Description | 9-Bit Latchable Transceiver | |
Manufacturers | National Semiconductor | |
Logo | ||
There is a preview and 74AC899 download ( pdf file ) link at the bottom of this page. Total 14 Pages |
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74AC899 54ACT 74ACT899
9-Bit Latchable Transceiver
with Parity Generator Checker
General Description
www.DataSheet4U.com
The ’AC ’ACT899 is a 9-bit to 9-bit parity transceiver with
transparent latches The device can operate as a feed-
through transceiver or it can generate check parity from the
8-bit data busses in either direction The ’AC ’ACT899 fea-
tures independent latch enables for the A-to-B direction and
the B-to-A direction a select pin for ODD EVEN parity and
separate error signal output pins for checking parity
Features
Y Latchable transceiver with output sink of 24 mA
Y Option to select generate parity and check or ‘‘feed-
through’’ data parity in directions A-to-B or B-to-A
Y Independent latch enable for A-to-B and B-to-A direc-
tions
Y Select pin for ODD EVEN parity
Y ERRA and ERRB output pins for parity checking
Y Ability to simultaneously generate and check parity
Y May be used in system applications in place of the ’280
Y May be used in system applications in place of the ’657
and ’373 (no need to change T R to check parity)
Y 4 kV minimum ESD immunity
Logic Symbol
Connection Diagram
Pin Assignment for PCC and LCC
TL F 10637 – 1
TL F 10637 – 2
TRI-STATE is a registered trademark of National Semiconductor Corporation
FACTTM is a trademark of National Semiconductor Corporation
C1995 National Semiconductor Corporation TL F 10637
RRD-B30M75 Printed in U S A
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AC Path (Continued)
www.DataSheet4U.com
O E x BPAR
x(O E
APAR)
xAPAR
ERRA
x(BPAR
ERRB)
ZH HZ
FIGURE 5
FIGURE 6
FIGURE 7
TL F 10637 – 8
TL F 10637 – 9
TL F 10637 – 10
5
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for 74AC899 electronic component. |
Information | Total 14 Pages | |
Link URL | [ Copy URL to Clipboard ] | |
Download | [ 74AC899.PDF Datasheet ] |
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