DS3695TN National Semiconductor, DS3695TN Datasheet
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DS3695TN
Manufacturer Part Number
DS3695TN
Description
Transceiver IC
Manufacturer
National Semiconductor
Specifications of DS3695TN
No. Of Drivers
1
Driver Case Style
DIP
No. Of Pins
8
Transceiver Type
Multipoint
Mounting Type
Through Hole
No. Of Channels
2
No. Of Driver/receivers
1/1
Peak Reflow Compatible (260 C)
No
No. Of Receivers
1
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DS3695TN
Manufacturer:
NS
Quantity:
15 319
Company:
Part Number:
DS3695TN/NOPB
Manufacturer:
NSC
Quantity:
377
© 1998 National Semiconductor Corporation
DS3695/DS3695T/DS3696/DS3697
Multipoint RS485/RS422 Transceivers/Repeaters
General Description
The DS3695, DS3696, and DS3697 are high speed differen-
tial TRI-STATE
meet the requirements of EIA standard RS485 with extended
common mode range (+12V to −7V), for multipoint data
transmission.
The driver and receiver outputs feature TRI-STATE capabil-
ity. The driver outputs remain in TRI-STATE over the entire
common mode range of +12V to −7V. Bus faults that cause
excessive power dissipation within the device trigger a ther-
mal shutdown circuit, which forces the driver outputs into the
high impedance state. The DS3696 provides an output pin
TS (thermal shutdown) which reports the occurrence of the
thermal shutdown of the device. This is an “open collector”
pin with an internal 10 k pull-up resistor. This allows the line
fault outputs of several devices to be wire OR-ed.
Both AC and DC specifications are guaranteed over the 0˚C
to 70˚C temperature and 4.75V to 5.25V supply voltage
range.
Connection and Logic Diagrams
Note 1: TS pin was LF (Line Fault) in previous datasheets and reports the occurrence of a thermal shutdown of the device.
TRI-STATE
®
is a registered trademark of National Semiconductor Corporation.
®
bus/line transceivers/repeaters designed to
Top View
Top View
DS010408
DS010408-1
DS010408-13
Order Number DS3695N, DS3695TN,
See NS Package Number N08E
DS3696N, or DS3697N
Features
n Meets EIA standard RS485 for multipoint bus
n 15 ns driver propagation delays with 2 ns skew (typical)
n Single +5V supply
n −7V to +12V bus common mode range permits
n Thermal shutdown protection
n High impedance to bus with driver in TRI-STATE or with
n Combined impedance of a driver output and receiver
n 70 mV typical receiver hysteresis
transmission and is compatible with RS-422
ground difference between devices on the bus
power off, over the entire common mode range allows
the unused devices on the bus to be powered down
input is less than one RS485 unit load, allowing up to 32
transceivers on the bus
Top View
DS010408-12
www.national.com
May 1998
±
7V