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SN751730DR Datasheet(PDF) 1 Page - Texas Instruments |
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SN751730DR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 19 page 1 FEATURES DESCRIPTION/ 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 DE1 RI1 RO1 RI2 RO2 RI3 RO3 GND VCC DO1 DI1 DO2 DI2 DO3 DI3 DE2 (TOP VIEW) D OR N PACKAGE DE1 RI1 RO1 RI2 N.C. N.C. RO2 RI3 RO3 GND VCC DO1 DI1 DO2 N.C. N.C. DI2 DO3 DI3 DE2 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 NS PACKAGE (TOP VIEW) DE1 RI1 N.C. RO1 RI2 RO2 RI3 N.C. RO3 GND VCC DO1 N.C. DI1 DO2 DI2 DO3 N.C. DI3 DE2 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 DW PACKAGE (TOP VIEW) N.C. – No internal connection SN751730 TRIPLE LINE DRIVER/RECEIVER SLLS062E – MAY 1990 – REVISED AUGUST 2007 www.ti.com 2 • Meets or Exceeds the Requirements of IBM® 360/370 Input/Output Interface Specification for 4.5-Mb/s Operation • Single 5-V Supply • Uncommitted Emitter-Follower Output Structure for Party-Line Operation • Driver Output Short-Circuit Protection • Driver Input/Receiver Output Compatible With TTL • Receiver Input Resistance . . . 7.4 kΩ to 20 kΩ • Ratio Specification for Propagation Delay Time, Low to High/High to Low ORDERING INFORMATION The SN751730 triple line driver/receiver is specifically designed to meet the input/output interface specifications for IBM System 360/370. It also is compatible with standard TTL logic and supply voltage levels. The low-impedance emitter-follower driver outputs of the SN751730 drive terminated lines, such as coaxial cable or twisted pair. Having the outputs uncommitted allows wired-OR logic to be performed in party-line applications. Output short-circuit protection is provided by an internal clamping network that turns on when the output voltage drops below approximately 2.5 V. An open line affects the receiver input as does a low-level input voltage. All the driver inputs and receiver outputs are in conventional TTL configuration and the gating can be used during power-up and power-down sequences to ensure that no noise is introduced to the line by pulling either DE1 or DE2 to a low level. 1 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. 2 IBM is a registered trademark of International Business Machines Corporation. PRODUCTION DATA information is current as of publication date. Copyright © 1990–2007, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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