MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Order this document
by MC145583/D
MC145583
Product Preview
3.3 Volt Only
Driver/Receiver with an
Integrated Standby Mode
28
1
DW SUFFIX
SOG PACKAGE
CASE 751F
EIA鈥?32鈥揈 and CCITT V.28
The MC145583 is a CMOS transceiver composed of three drivers and five
receivers that fulfills the electrical specifications of EIA鈥?32鈥揈, EIA鈥?62, and
CCITT V.28 while operating from a single + 3.3 or + 5.0 V power supply. This
transceiver is a high鈥損erformance, low鈥損ower consumption device that is
equipped with a standby function.
A voltage tripler and inverter converts the + 3.3 V to
鹵
8.8 V, or a voltage
doubler and inverter converts the + 5.0 V to
鹵
8.8 V. This is accomplished
through an on鈥揷hip 40 kHz oscillator and five inexpensive external capacitors.
Drivers:
鈥?鹵
5 V Minimum Output Swing at 3.3 or 5.0 V Power Supply
鈥?/div>
300
鈩?/div>
Power鈥揙ff Impedance
鈥?/div>
Output Current Limiting
鈥?/div>
Three鈥揝tate Outputs During Standby Mode
Receivers:
鈥?鹵
25 V Input Range
鈥?/div>
3 to 7 k鈩?Input Impedance
鈥?/div>
0.8 V Hysteresis for Enhanced Noise Immunity
鈥?/div>
Three鈥揝tate Outputs During Standby Mode
Ring Monitor Circuit:
鈥?/div>
Invert the Input Level on Rx1 to Logic Output Level on RIMON at Standby
Mode
28
1
VF SUFFIX
SSOP
CASE 940J
ORDERING INFORMATION
MC145583DW
MC145583VF
SOG Package
SSOP
PIN ASSIGNMENT
C5+
GND
C5鈥?/div>
RIMON
VSS
STB
Rx1
Rx2
Rx3
Tx1
Rx4
Tx2
Rx5
Tx3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
RING
MONITOR
CIRCUIT
(INVERTING)
28
27
26
25
24
23
22
21
20
19
18
17
16
15
C2+
VCC
C2鈥?/div>
C1+
C1鈥?/div>
VDD
DO1
DO2
DO3
DI1
DO4
DI2
DO5
DI3
This document contains information on a product under development. Motorola reserves the right to change or discontinue this product without notice.
REV 3
1/96
漏
Motorola, Inc. 1996
MOTOROLA
MC145583
1
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