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DS3695TN Datasheet

  • DS3695TN

  • Multipoint RS485/RS422 Transceivers/Repeaters

  • 12頁

  • NSC

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DS3695/DS3695T/DS3696/DS3697 Multipoint RS485/RS422 Transceivers/Repeaters
May 1998
DS3695/DS3695T/DS3696/DS3697
Multipoint RS485/RS422 Transceivers/Repeaters
General Description
The DS3695, DS3696, and DS3697 are high speed differen-
tial TRI-STATE
廬
bus/line transceivers/repeaters designed to
meet the requirements of EIA standard RS485 with extended
common mode range (+12V to 鈭?V), 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 鈭?V. 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 鈥渙pen collector鈥?/div>
pin with an internal 10 k鈩?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藲C
to 70藲C temperature and 4.75V to 5.25V supply voltage
range.
Features
n
Meets EIA standard RS485 for multipoint bus
transmission and is compatible with RS-422
n
15 ns driver propagation delays with 2 ns skew (typical)
n
Single +5V supply
n
鈭?V to +12V bus common mode range permits
鹵
7V
ground difference between devices on the bus
n
Thermal shutdown protection
n
High impedance to bus with driver in TRI-STATE or with
power off, over the entire common mode range allows
the unused devices on the bus to be powered down
n
Combined impedance of a driver output and receiver
input is less than one RS485 unit load, allowing up to 32
transceivers on the bus
n
70 mV typical receiver hysteresis
Connection and Logic Diagrams
DS010408-1
DS010408-12
Top View
Top View
DS010408-13
Top View
Order Number DS3695N, DS3695TN,
DS3696N, or DS3697N
See NS Package Number N08E
Note 1:
TS pin was LF (Line Fault) in previous datasheets and reports the occurrence of a thermal shutdown of the device.
TRI-STATE
廬
is a registered trademark of National Semiconductor Corporation.
漏 1998 National Semiconductor Corporation
DS010408
www.national.com

DS3695TN 產(chǎn)品屬性

  • National Semiconductor (TI)

  • Tube

  • 40

DS3695TN相關(guān)型號PDF文件下載

  • 型號
    版本
    描述
    廠商
    下載
  • 英文版
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    Maxim Integrate...
  • 英文版
    The DS3605 is the integration of a nonvolatile (NV) SRAM con...
    Maxim Integrate...
  • 英文版
    Octal TRI-STATE MOS Drivers
    NSC
  • 英文版
    Octal TRI-STATE MOS Drivers
    NSC [Natio...
  • 英文版
    ETC
  • 英文版
    CMOS Dual Peripheral Drivers
  • 英文版
    CMOS Dual Peripheral Drivers
    NSC
  • 英文版
    CMOS Dual Peripheral Drivers
    NSC [Natio...
  • 英文版
    CMOS Dual Peripheral Drivers
    NSC
  • 英文版
    CMOS Dual Peripheral Drivers
    NSC [Natio...
  • 英文版
    CMOS Dual Peripheral Drivers
    NSC
  • 英文版
    CMOS Dual Peripheral Drivers
    NSC [Natio...
  • 英文版
    The DS3641 is a secure supervisor with 1,024 bytes of SRAM f...
    Maxim Integrate...
  • 英文版
    The DS3644 is a highly integrated, encryption-key supervisor...
    Maxim Integrate...
  • 英文版
    No description available.
    Maxim Integrate...
  • 英文版
    TRI-STATE TTL to MOS Multiplexers/Drivers
    NSC
  • 英文版
    TRI-STATE TTL to MOS Multiplexers/Drivers
    NSC [Natio...
  • 英文版
    ETC
  • 英文版
  • 英文版
    Quad Differential Line Receivers
    NSC

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