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IDT71024S

CMOS Static RAM 1 Meg (128K x 8-Bit)

Integrated Device Technology 

IDT71024 CMOS Static RAM

1 Meg (128K x 8-Bit)

Pin Configuration

Commercial and Industrial Temperature Ranges

Absolute Maximum Ratings(1)

Symbol

Rating

Value Unit

VTERM(2) Terminal Voltage with Respect to GND –0.5 to +7.0 V

TBIAS

Temperature Under Bias

–55 to +125 oC

TSTG

Storage Temperature

–55 to +125 oC

PT

Power Dissipation

1.25

W

IOUT

DC Output Current

50

mA

NOTES:

2964 tbl 02

1. StressesgreaterthanthoselistedunderABSOLUTEMAXIMUMRATINGSmaycause

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 reliability.

2. VTERM must not exceed VCC + 0.5V.

SOJ

Top View

Truth Table(1,3)

Inputs

WE CS1 CS2 OE

I/O

Function

X H X X High-Z Deselected – Standby (ISB)

X VHC(2) X

X

High-Z Deselected – Standby (ISB1)

X X L X High-Z Deselected – Standby (ISB)

X

X VLC(2) X

High-Z Deselected – Standby (ISB1)

H L H H High-Z Outputs Disabled

H

L

H

L DATAOUT Read Data

L

L

H

X

DATAIN Write Data

NOTES:

1. H = VIH, L = VIL, X = Don't care.

2. VLC = 0.2V, VHC = VCC –0.2V.

3. Other inputs ≥VHC or ≤VLC.

2964 tbl 01

Recommended Operating

Temperature and Supply Voltage

Grade

Temperature

GND

VCC

Commercial

0°C to +70°C

0V

5.0V ± 0.5V

Industrial

–40°C to +85°C

0V

5.0V ± 0.5V

2964 tbl 05

Capacitance

(TA = +25°C, f = 1.0MHz, SOJ package)

Symbol

Parameter(1)

Conditions Max. Unit

CIN Input Capacitance

VIN = 3dV

7

pF

CI/O I/O Capacitance

VOUT = 3dV

8

pF

NOTE:

2964 tbl 03

1. This parameter is guaranteed by device characterization, but is not production tested.

Recommended DC Operating

Conditions

Symbol

Parameter

Min. Typ. Max. Unit

VCC Supply Voltage

4.5

5.0

5.5

V

GND Ground

0

0

0

V

VIH Input High Voltage

2.2

____ VCC+0.5 V

VIL Input Low Voltage

–0.5(1)

____

0.8

V

NOTE:

1. VIL (min.) = –1.5V for pulse width less than 10ns, once per cycle.

2964 tbl 04

6.422

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