HS-248RH Intersil Corporation, HS-248RH Datasheet

HS-248RH

Manufacturer Part Number

HS-248RH

Description

Rad-hard Triple Line Transmitter, Triple Line Receiver, Triple Party-line Receiver

Manufacturer

Intersil Corporation

Datasheet

1.HS-248RH.pdf (8 pages)

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HS-245RH Radiation Hardened Triple

HS-246RH Radiation Hardened Triple

HS-248RH Radiation Hardened Triple

The HS-245RH/246RH/248RH radiation hardened triple line

transmitter and triple line receivers are fabricated using the

Intersil dielectric isolation process. These parts are identical in

pinout and function to the original HD-245/246/248. They are

also die size and bond pad placement compatible with the

original parts for those customers who buy dice for hybrid

assembly.

Each transmitter-receiver combination provides a digital

interface between systems linked by 100Ω twisted pair,

shielded cable. Each device contains three circuits

fabricated within a single monolithic chip. Data rates greater

than 15MHz are possible depending on transmission line

loss characteristics and length.

The transmitter employs constant current switching which

provides high noise immunity along with high speeds, low

power dissipation, low EMI generation and the ability to

drive high capacitance loads. In addition, the transmitters

can be turned “off” allowing several transmitters to time-

share a single line.

Receiver input/output differences are shown in the table:

The internal 100Ω cable termination consists of 50Ω from

each input to ground.

HS-248RH ‘‘party line’’ receivers have a Hi-Z input such that

as many as ten of these receivers can be used on a single

transmission line.

Each transmitter input and receiver output can be connected to

TTL and DTL systems. When used with shielded transmission

line, the transmitter-receiver system has very high immunity to

capacitance and magnetic noise coupling from adjacent

conductors. The system can tolerate ground differentials of

-2.0V to +20.0V (transmitter with respect to receiver).

Specifications for Rad Hard QML devices are controlled

by the Defense Supply Center in Columbus (DSCC). The

SMD numbers listed here must be used when ordering.

Detailed Electrical Specifications for these devices are

contained in SMD 5962-96722 and 5962-96723.

HS-246RH

HS-248RH

PART NO.

Line Transmitter

Line Receiver

Party-Line Receiver

INPUT

100Ω

Hi-Z

Open Collector

6K Pull-Up Resistors

Data Sheet

OUTPUT

1-888-INTERSIL or 321-724-7143

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

HS-245RH, HS-246RH, HS-248RH

Features

• Electrically Screened to SMD # 5962-96722 and

• QML Qualified per MIL-PRF-38535 Requirements

• Radiation Hardened DI Processing

• Replaces HD-245/246/248

• Current Mode Operation

• High Speed with 50 Foot Cable . . . . . . . . . . . . . . . 15MHz

• High Noise Immunity

• Low EMI Generation

• Low Power Dissipation

• High Common Mode Rejection

• Transmitter and Receiver Party Line Capability

• Tolerates -2.0V to +20.0V Ground Differential (Transmitter

• Transmitter Input/Receiver Output TTL/DTL Compatible

Ordering Information

5962R9672201QCC

5962R9672201QXC

5962R9672201VCC

5962R9672201VXC

HS9-245RH/PROTO

5962R9672301QCC

5962R9672301QXC

5962R9672301VCC

5962R9672301VXC

5962R9672302QCC

5962R9672302QXC

5962R9672302VCC

5962R9672302VXC

ORDERING NUMBER

5962-96723

- Total Dose . . . . . . . . . . . . . . . . . . . . 200 krad(Si) (Max)

- Latchup Free

- Neutron Fluence . . . . . . . . . . . . . . . . . .5 x 10

High Speed with 1000 Foot Cable . . . . . . . . . . . . . . 2MHz

with Respect to Receiver)

All other trademarks mentioned are the property of their respective owners.

Intersil (and design) is a registered trademark of Intersil Americas Inc.

April 2003

HS1-245RH-8

HS9-245RH-8

HS1-245RH-Q

HS9-245RH-Q

HS9-245RH/PROTO

HS1-246RH-8

HS9-246RH-8

HS1-246RH-Q

HS9-246RH-Q

HS1-248RH-8

HS9-248RH-8

HS1-248RH-Q

HS9-248RH-Q

MKT. NUMBER

INTERNAL

TEMP. RANGE

FN3034.4

-55 to 125

(

N/cm

Related parts for HS-248RH

HS-248RH Summary of contents

Page 1

... Pull-Up Resistors The internal 100Ω cable termination consists of 50Ω from each input to ground. HS-248RH ‘‘party line’’ receivers have a Hi-Z input such that as many as ten of these receivers can be used on a single transmission line. Each transmitter input and receiver output can be connected to TTL and DTL systems ...

Page 2

... INPUT 5 OUTPUT (R3) 10 INPUT (+) (R2) OUTPUT GND 7 8 INPUT (-) VCC = +5V φ 1 50Ω 1% D.U.T. φ 2 50Ω 1% VCC = +5V (+) 520Ω 50Ω D.U.T. 50 Ω (-) 800Ω VEE = - 5V NOTE: External 50 Ω resistors needed for HS-248RH φ VOUT 1 TRANSMITTER OUT φ VOUT 2 RECEIVER OUTPUT 30pF ...

Page 3

... For example, a 2mA change in transmitter current will produce a 100mV change in receiver voltage independent of the series transmission line resistance. The rise time at the receiver for a typical 50 foot cable (750pF) is approximately 30ns for a 2mA pulse. 3 HS-245RH, HS-246RH, HS-248RH (Continued) +5V 1/3 HS-245RH (NOTE) FIGURE 3. TYPICAL APPLICATION ...

Page 4

... This parallel transmitter technique can also be used to increase the data rate on long transmission lines. 4 HS-245RH, HS-246RH, HS-248RH TRIPLE LINE TRANSMITTER HS-245RH UNITS o -55 to 125 C 1 ...

Page 5

... Receivers The HS-248RH “party-line” receiver presents a high impedance load to the transmission line allowing as many as ten HS-248RH receivers to be distributed along a line without excessive loading. Figure 3 shows a typical system of a transmitter, a terminating receiver and a party-line receiver. The transmission line is terminated in its characteristics impedance by an HS-246RH pair of 50Ω ...

Page 6

... GND 7 R1 NOTES: 1. HS-246RH does not have 6K output pull-up resistors. 2. HS-248RH does not have 50Ω input termination resistors. 6 HS-245RH, HS-246RH, HS-248RH TABLE B. OVERALL TRANSMITTER/RECEIVER SWITCHING CHARACTERISTICS Propagation Delay TPLH Propagation Delay TPHL Duty Cycle Distortion TPLH - TPHL NOTE: VCC = +5V, VEE = -5V ...

Page 7

... Thickness: 8k Top Metallization: Type: Aluminum ±2k Å Å Thickness: 12.5k Substrate: HFSB Bipolar/Dielectric Isolation Backside Finish: Silicon Metallization Mask Layout 7 HS-245RH, HS-246RH, HS-248RH ASSEMBLY RELATED INFORMATION: Substrate Potential: Unbiased ADDITIONAL INFORMATION: Worst Case Current Density: 7 Transistor Count: 6 HS-245RH OUTPUT f2 INPUT f2 INPUT f1 ...

Page 8

... However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries. For information regarding Intersil Corporation and its products, see www.intersil.com 8 HS-245RH, HS-246RH, HS-248RH ASSEMBLY RELATED INFORMATION: Substrate Potential: Unbiased ...

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