5.09

3

MILITARY AND COMMERCIAL TEMPERATURE RANGES

IDT72021, IDT72031, IDT72041

CMOS ASYNCHRONOUS FIFO WITH RETRANSMIT 1K x 9, 2K x 9, 4K x 9

RECOMMENDED DC

OPERATING CONDITIONS

Symbol

Parameter

Min.

Typ.

Max.

Unit

Military Supply

4.5

5.0

5.5

V

Voltage

Commercial

4.5

5.0

5.5

V

Supply Voltage

GND

Supply Voltage

0

0

0

V

Input High Voltage

2.0

—

—

V

Commercial

Input High Voltage

2.2

—

—

V

Military

(1)

Input Low Voltage

—

—

0.8

V

Commercial and

Military

NOTE:

2677 tbl 05

1. 1.5V undershoots are allowed for 10ns once per cycle.

STATUS FLAG

Number of Words in FIFO

1K

2K

4K

FF AEF HF

EF

00

0

H

L

H

L

1-127

1-255

1-511

H

L

H

H

128-512

256-1024

512-2048

HHHH

513-896

1025-1792

2049-3584

H

H

L

H

897-1023

1793-2047

3585-4095

H

L

L

H

1024

2048

4096

L

L

L

H

°C, f = 1.0 MHz)

Symbol

Parameter

(1)

Condition

Max.

Unit

Input Capacitance

10

pF

Output Capacitance

10

pF

NOTE:

2677 tbl 03

1. These parameters are sampled and not 100% tested.

2677 tbl l 02

Symbol

Rating

Com’l.

Mil.

Unit

Terminal Voltage

–0.5 to +7.0 –0.5 to +7.0

V

with Respect

to GND

Operating

0 to +70

–55 to +125

°C

Temperature

Temperature

–55 to +125 –65 to +135

°C

Under Bias

Storage

–55 to +125 –65 to +155

°C

Temperature

DC Output

50

50

mA

Current

NOTE:

2677 tbl 04

1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS

may cause permanent damage to the device. This is a stress rating only

and functional operation of the device at these or any other conditions

above those indicated in the operational sections of this specification is not

implied. Exposure to absolute maximum rating conditions for extended

periods may affect reliabilty.