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TB5T1LDW Datasheet

  • TB5T1LDW

  • DUAL DIFFERENTIAL PECL DRIVER/RECEIVER

  • 17頁

  • TI

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TB5T1
www.ti.com
SLLS589B 鈥?NOVEMBER 2003 鈥?REVISED MAY 2004
DUAL DIFFERENTIAL PECL DRIVER/RECEIVER
FEATURES
鈥?/div>
鈥?/div>
Functional Replacement for the Agere BTF1A
Driver Features
鈥?Third-State Logic Low Output
鈥?ESD Protection HBM > 3 kV, CDM > 2 kV
鈥?No Line Loading when Vcc = 0
鈥?Capable of Driving 50-鈩?loads
鈥?2.0-ns Maximum Propagation Delay
鈥?0.2-ns Output Skew (typical)
Receiver Features
鈥?High-Input Impedance Approximately 8 k鈩?/div>
鈥?4.0-ns Maximum Propagation Delay
鈥?50-mV Hysteresis
鈥?Slew Rate Limited (1 ns min 80% to 20%)
鈥?ESD Protection HBM > 3 kV, CDM > 2 kV
鈥?-1.1-V to 7.1-V Input Voltage Range
Common Device Features
鈥?Common Enable for Each Driver/Receiver
Pair
鈥?Operating Temperature Range: -40擄C to
85擄C
鈥?Single 5.0 V
鹵
10% Supply
鈥?Available in Gull-Wing SOIC (JEDEC
MS-013, DW) and SOIC (D) Package
In circuits with termination resistors, the line remains
impedance- matched when the circuit is powered
down. The driver does not load the line when it is
powered down.
All devices are characterized for operation from -40擄C
to 85擄C.
The logic inputs of this device include internal pull-up
resistors of approximately 40 k鈩?that are connected
to V
CC
to ensure a logical high level input if the inputs
are open circuited.
PIN ASSIGNMENTS
DW AND D PACKAGE
(TOP VIEW)
RO1
DI1
V
CC
ED
ER
GND
DI2
RO2
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
RI1
RI1
DO1
DO1
DO2
DO2
RI2
鈥?/div>
鈥?/div>
RI2
FUNCTIONAL BLOCK DIAGRAM
DI1
DO1
DO1
DI2
DO2
DO2
DESCRIPTION
The TB5T1 device is a dual differential driver/receiver
circuit that transmits and receives digital data over
balanced transmission lines. The dual drivers trans-
late input TTL logic levels to differential pseudo-ECL
output levels. The dual receivers convert differen-
tial-input logic levels to TTL output levels. Each driver
or receiver pair has its own common enable control
allowing serial data and a control clock to be
transmitted and received on a single integrated cir-
cuit. The TB5T1 requires the customer to supply
termination resistors on the circuit board.
The power-down loading characteristics of the re-
ceiver input circuit are approximately 8 k鈩?relative to
the power supplies; hence, it does not load the
transmission line when the circuit is powered down.
ED
RI1
RI1
RI2
RI2
RO1
RO2
ER
ENABLE TRUTH TABLE
ED
0
1
0
1
ER
0
0
1
1
D1
Active
Disabled
Active
Disabled
D2
Active
Disabled
Active
Disabled
R1
Active
Active
Disabled
Disabled
R2
Active
Active
Disabled
Disabled
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright 漏 2003鈥?004, Texas Instruments Incorporated

TB5T1LDW 產(chǎn)品屬性

  • 40

  • 集成電路 (IC)

  • 接口 - 驅(qū)動器，接收器，收發(fā)器

  • -

  • 收發(fā)器

  • 2/2

  • -

  • 4.5 V ~ 5.5 V

  • 表面貼裝

  • 16-SOIC（0.295"，7.50mm 寬）

  • 16-SOIC

  • 管件

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