
Connection Diagram
Pinout Description
Pin Name Pin # Input/Output Descriptions
DO+/RI+ 27, 31, 35, 37, 41,
45, 47, 51, 55
I/O True Bus LVDS Driver Outputs and Receiver Inputs.
DO−/RI− 26, 30, 34, 36, 40,
44, 46, 50, 54
I/O Complimentary Bus LVDS Driver Outputs and Receiver Inputs.
D
IN
2, 6, 12, 18, 20, 22,
58, 60, 62
I TTL Driver Input.
RO 3, 7, 13, 19, 21, 23,
59, 61, 63
O TTL Receiver Output.
RE
17 I Receiver Enable TTL Input (Active Low).
DE 16 I Driver Enable TTL Input (Active High).
GND 4, 5, 9, 14, 25, 56 Power Ground for digital circuitry (must connect to GND on PC board).
These pins connected internally.
V
CC
10, 15, 24, 57, 64 Power V
CC
for digital circuitry (must connect to V
CC
on PC board). These
pins connected internally.
AGND 28, 33, 43, 49, 53 Power Ground for analog circuitry (must connect to GND on PC board).
These pins connected internally.
AV
CC
29, 32, 42, 48, 52 Power Analog V
CC
(must connect to V
CC
on PC board). These pins
connected internally.
NC 1, 8, 11, 38, 39 N/A Leave open circuit, do not connect.
DS100111-2
Top View
Order Number DS92LV090ATVEH
See NS Package Number VEH064DB
DS92LV090A
www.national.com 2
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