71321LA55PFGI datasheet(3/17 Pages) IDT

3 / 17 page

6.42

IDT71321SA/LA and IDT71421SA/LA

High Speed 2K x 8 Dual-Port Static RAM with Interrupts

Industrial and Commercial Temperature Ranges

Recommended DC Operating

Conditions

Absolute Maximum Ratings(1)

RecommendedOperating

Temperature and Supply Voltage(1,2)

NOTES:

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 the specification is not

implied. Exposure to absolute maximum rating conditions for extended

periods may affect reliability.

2. VTERM must not exceed VCC + 10% for more than 25% of the cycle time or 10ns

maximum, and is limited to < 20mA for the period of VTERM > VCC + 10%.

NOTES:

1. VIL (min.) = -1.5V for pulse width less than 10ns.

2. VTERM must not exceed Vcc + 10%.

NOTES:

1. This is the parameter TA. This is the "instant on" case temperature.

2. Industrial temperature: for specific speeds, packages and powers contact your

sales office.

Symbol

Rating

Commercial

& Industrial

Unit

VTERM

(2)

Terminal Voltage

with Respect

to GND

-0.5 to +7.0

TBIAS

Temperature

Under Bias

-55 to +125

TSTG

Storage

Temperature

-65 to +150

IOUT

DC Output

Current

2691 tbl 01

Grade

Ambient

Temperature

GND

Vcc

Commercial

0OC to +70OC0V

5.0V

+ 10%

Industrial

-40OC to +85OC0V

5.0V

+ 10%

2691 tbl 02

Symbol

Parameter

Min.

Typ.

Max.

Unit

VCC

Supply Voltage

4.5

5.0

5.5

GND

Ground

VIH

Input High Voltage

2.2

____

6.0(2)

VIL

Input Low Voltage

-0.5(1)

____

0.8

2691 tbl 03

Capacitance(1)

(TA = +25°C, f = 1.0MHz) TQFP Only

NOTES:

1. This parameter is determined by device characterization but is not production

tested.

2. 3dv references the interpolated capacitance when the input and output signals

switch from 0V to 3V or from 3V to 0V.

Symbol

Parameter

Conditions(2)

Max.

Unit

CIN

Input Capacitance

VIN = 3dV

COUT

Output Capacitance

VOUT = 3dV

2691 tbl 00

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