6 / 14 page
6
August 2004
rev.1.2
Zywyn
Specifications subject to change without notice
Zywyn Corporation
ZT4xxE
Pin Description
Pin Numbers
Name
Description
ZT483E/ZT485E
ZT488E/ZT490E
ZT489E/ZT491E
1
2
2
RO
Receiver Output. If A>B by
200mV, then RO = HIGH; If
A<B by 200mV, then RO =
LOW
2
n/a
3
RE
Receiver Output Enable. Low
active input. RO is high-Z when
RE = HIGH
3
n/a
4
DE
Driver Output Enable. The
transmitter outputs, Y and Z, are
enabled when DE = HIGH.
The outputs are high-Z when
DE = LOW.
4
3
5
DI
Driver Input. A low on DI forces
output Y low and output Z high.
A high on DI will bring output Y
high and output Z low.
5
4
6, 7
GND
Analog Ground
n/a
5
9
Y
Non-inverting transmitter output
n/a
6
10
Z
Inverting transmitter output
6
n/a
n/a
A
Non-inverting transmitter output
and non-inverting receiver
input.
n/a
8
12
A
Non-inverting receiver
input.
7
n/a
n/a
B
Inverting transmitter output
and inverting receiver
input.
n/a
7
11
B
Inverting receiver input
81
14
V
CC
Power Supply Input, +5V ±5%
n/a
n/a
1, 8, 13
NC
No Connect, Not internally
connected
English ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
