FN2135 Rev 2.00

Page 1 of 10

September 1995

FN2135

Rev 2.00

September 1995

HCS373MS

Radiation Hardened Octal Transparent Latch, Three-State

DATASHEET

Features

• 3 Micron Radiation Hardened CMOS SOS

• Total Dose 200K RAD (Si)

• SEP Effective LET No Upsets: >100 MEV-cm2/mg

• Single Event Upset (SEU) Immunity < 2 x 10-9 Errors/

Bit-Day (Typ)

• Dose Rate Survivability: >1 x 1012 RAD (Si)/s

• Dose Rate Upset >1010 RAD (Si)/s 20ns Pulse

• Latch-Up Free Under Any Conditions

• Military Temperature Range: -55oC to +125oC

• Significant Power Reduction Compared to LSTTL ICs

• DC Operating Voltage Range: 4.5V to 5.5V

• Input Logic Levels

- VIL = 0.3 VCC Max

- VIH = 0.7 VCC Min

• Input Current Levels Ii

 5A at VOL, VOH

Description

The Intersil HCS373MS is a Radiation Hardened octal trans-

parent three-state latch with an active-low output enable.

The HCS373MS utilizes advanced CMOS/SOS technology.

The outputs are transparent to the inputs when the Latch

Enable (LE) is HIGH. When the Latch Enable (LE) goes

LOW, the data is latched. The Output Enable (OE) controls

the three-state outputs. When the Output Enable (OE) is

HIGH, the outputs are in the high impedance state. The latch

operation is independent of the state of the Output Enable.

The HCS373MS utilizes advanced CMOS/SOS technology

to achieve high-speed operation. This device is a member of

radiation hardened, high-speed, CMOS/SOS Logic Family.

The HCS373MS is supplied in a 20 lead Ceramic flat-

pack (K suffix) or a SBDIP Package (D suffix).

Pinouts

20 LEAD CERAMIC DUAL-IN-LINE

METAL SEAL PACKAGE (SBDIP)

MIL-STD-1835 CDIP2-T20

TOP VIEW

20 LEAD CERAMIC METAL SEAL

FLATPACK PACKAGE (FLATPACK)

MIL-STD-1835 CDFP4-F20

TOP VIEW

11

12

13

14

15

16

17

18

20

19

10

9

8

7

6

5

4

3

2

1

OE

Q0

D0

D1

Q1

Q2

D3

D2

Q3

GND

VCC

D7

D6

Q6

Q7

Q5

D5

D4

Q4

LE

2

3

4

5

6

7

8

120

19

18

17

16

15

14

13

OE

Q0

D0

D1

Q1

Q2

D2

D3

9

10

12

11

Q3

GND

VCC

Q7

D7

D6

Q6

Q5

D5

D4

Q4

LE

Ordering Information

PART NUMBER

TEMPERATURE RANGE

SCREENING LEVEL

PACKAGE

HCS373DMSR

-55oC to +125oC

Intersil Class S Equivalent

20 Lead SBDIP

HCS373KMSR

-55oC to +125oC

Intersil Class S Equivalent

20 Lead Ceramic Flatpack

HCS373D/Sample

+25oC

Sample

20 Lead SBDIP

HCS373K/Sample

+25oC

Sample

20 Lead Ceramic Flatpack

HCS373HMSR

+25oCDie

Die