DS3884AVF NSC [National Semiconductor], DS3884AVF Datasheet

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DS3884AVF

Manufacturer Part Number
DS3884AVF
Description
BTL Handshake Transceiver
Manufacturer
NSC [National Semiconductor]
Datasheet

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DS3884AVF
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© 2000 National Semiconductor Corporation
DS3884A
BTL Handshake Transceiver
General Description
The DS3884A is one in a series of transceivers designed
specifically for the implementation of high performance Fu-
turebus+ and proprietary bus interfaces. The DS3884A is a
BTL 6-bit Handshake Transceiver designed to conform to
IEEE 1194.1 (Backplane Transceiver Logic — BTL) as speci-
fied in the IEEE 896.2 Futurebus+ specification.
Features
n Fast propagation delay (3 ns typ)
n 6-bit BTL transceiver
n Selective receiver glitch filtering (FR1–FR3)
n Meets 1194.1 Standard on Backplane Transceiver Logic
n Supports live insertion
Connection Diagram
TRI-STATE
(BTL)
®
is a registered trademark of National Semiconductor Corporation.
DS011460
Order Number DS3884AVF
See NS Package VF44B
n Glitch free power-up/down protection
n Typically less than 5 pF bus-port capacitance
n Low Bus-port voltage swing (typically 1V) at 80 mA
n TTL compatible driver and control inputs
n Separate TTL I/O
n Open collector bus-port outputs allow Wired-OR
n Controlled rise and fall time to reduce noise coupling to
n Built in Bandgap reference with separate QV
n Exceeds 2 kV ESD testing (Human Body Model)
n Individual Bus-port ground pins
n Product offered in PQFP package styles
connection
adjacent lines
QGND pins for precise receiver thresholds
DS011460-1
www.national.com
August 2000
CC
and

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DS3884AVF Summary of contents

Page 1

... Controlled rise and fall time to reduce noise coupling to adjacent lines n Built in Bandgap reference with separate QV QGND pins for precise receiver thresholds n Exceeds 2 kV ESD testing (Human Body Model) n Individual Bus-port ground pins n Product offered in PQFP package styles Order Number DS3884AVF See NS Package VF44B DS011460 August 2000 and CC DS011460-1 ...

Page 2

Logic Diagram www.national.com DS011460-3 2 ...

Page 3

Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage Control Input Voltage Driver Input and Receiver Output Receiver Input Current Bus Termination Voltage Power Dissipation at ...

Page 4

AC Electrical Characteristics ± 0˚C to +70˚ 10 Symbol Parameter DRIVER Prop. Delay PHL t PLH Enable Time PHL t Disable Time PLH t ...

Page 5

Pin Descriptions Pin Name Number of Pins B1–B6 6 B1GND–B6GND D1–D6 6 FR1–FR3 3 GND PS1, PS2 2 R1–R6 6 REXT 1 QGND Note ...

Page 6

Pin Descriptions (Continued FRn High or low logic state L: Low state H: High state L-H: Low to high transition Glitch Filter Table PS1 ...

Page 7

Application Information In Wired-OR applications, the glitch generated as drivers are released from the bus, is dependent upon the backplane and parasitic wiring components causing the characteristics of the glitch to vary in pulse width and amplitude. To accommo- date ...

Page 8

... National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications. inches (millimeters) unless otherwise noted 44-Pin PQFP Order Number DS3884AVF NS Package VF44B 2. A critical component is any component of a life ...

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