70121L20JG8 datasheet(3/16 Pages) IDT

Part #	70121L20JG8

Description	HIGH-SPEED 2K x 9 DUAL-PORT STATIC RAM WITH BUSY & INTERRUPT

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Manufacturer	IDT [Integrated Device Technology]

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IDT70121/IDT70125

High-Speed 2K x 9 Dual-Port Static RAM with Busy & Interrupt

Industrial and Commercial Temperature Ranges

Maximum Operating Temperature

and Supply Voltage(1)

RecommendedDC

Operating Conditions

Absolute Maximum Ratings(1)

Capacitance (TA = +25°C, f = 1.0MHz)

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 this specification is not implied. Exposure to absolute

maximumratingconditionsforextendedperiodsmayaffectreliability.

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 > -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.

NOTE:

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

tested.

DC Electrical Characteristics Over the Operating

Temperature and Supply Voltage Range (VCC = 5.0V ± 10%)

NOTE:

1. At Vcc < 2.0V leakages are undefined.

Symbol

Rating

Commercial

& Industrial

Unit

VTERM(2)

Terminal Voltage

with Respect

to GND

-0.5 to +7.0

V

TBIAS

Temperature

Under Bias

-55 to +125

o

C

TSTG

Storage

Temperature

-65 to +150

o

C

IOUT

DC Output

Current

50

mA

2654 tbl 01

Grade

Ambient

Temperature

GND

Vcc

Commercial

0OC to +70OC0V

5.0V

+ 10%

Industrial

-40OC to +85OC0V

5.0V

+ 10%

2654 tbl 02

Symbol

Parameter

Min.

Typ.

Max.

Unit

VCC

Supply Voltage

4.5

5.0

5.5

V

GND

Ground

0

V

VIH

Input High Voltage

2.2

____

6.0(2)

V

VIL

Input Low Voltage

-0.5(1)

____

0.8

V

2654 tbl 03

Symbol

Parameter

Conditions(1)

Max.

Unit

CIN

Input Capacitance

VIN = 3dV

9

pF

COUT

Output Capacitance

VOUT = 3dV

10

pF

2654 tbl 04

Symbol

Parameter

Test Conditions

70121S

70125S

70121L

70125L

Unit

Min.

Max.

Min.

Max.

|ILI|

Input Leakage Current(1)

VCC = 5.5V, VIN = 0V to VCC

___

10

___

5µA

|ILO|

Output Leakage Current

VCC = 5.5V, CE = VIH, VOUT = 0V to VCC

___

10

___

5µA

VOL

Output Low Voltage

IOL = +4mA

___

0.4

___

0.4

V

VOH

Output High Voltage

IOH = -4mA

2.4

___

2.4

___

V

2654 tbl 05

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