IDT70T35L25BF datasheet(8/21 Pages) IDT

Part #	IDT70T35L25BF

Description	HIGH-SPEED 2.5V 8/4K x 18 DUAL-PORT 8/4K x 16 DUAL-PORT STATIC RAM

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Manufacturer	IDT [Integrated Device Technology]

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6.42

IDT70T35/34L(IDT70T25/24L)

PRELIMINARY

High-Speed 2.5V 8/4K x 18 (8/4K x 16) Dual-Port Static RAM

Industrial and Commercial Temperature Ranges

8

Absolute Maximum Ratings(1)

Maximum Operating Temperature

and Supply Voltage(1)

Capacitance(1) (TA = +25°C, f = 1.0MHz)

Recommended DC Operating

Conditions

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

maximum rating conditions for extended periods may affect reliability.

2. VTERM must not exceed VDD+ 0.3V.

3. Ambient Temperature Under DC Bias. No AC Conditions. Chip Deselected.

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.

NOTE:

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

NOTES:

1.

VIL > -1.5V for pulse width less than 10ns.

2. VTERM must not exceed VDD + 0.3V.

DC Electrical Characteristics Over the Operating

Temperature and Supply Voltage Range (VDD = 2.5V ± 100mV)

NOTE:

1. At VDD < 2.0V leakages are undefined.

Symbol

Rating

Commercial

& Industrial

Unit

VTERM(2)

Terminal Voltage

with Respect to GND

-0.5 to +3.6

V

TBIAS(3)

Temperature Under Bias

-55 to +125

oC

TSTG

Storage Temperature

-65 to +150

oC

TJN

Junction Temperature

+150

oC

IOUT

DC Output Current

50

mA

5639 tbl 04

Grade

Ambient

Temperature

GND

VDD

Commercial

0OC to +70OC0V

2.5V

+ 100mV

Industrial

-40OC to +85OC0V

2.5V

+ 100mV

5639 tbl 05

Symbol

Parameter

Min.

Typ.

Max.

Unit

VDD

Supply Voltage

2.4

2.5

2.6

V

VSS

Ground

0

V

VIH

Input High Voltage

1.7

____

VDD+0.3(2)

V

VIL

Input Low Voltage

-0.3(1)

____

0.7

V

5639 tbl 06

Symbol

Parameter

Conditions(2)

Max.

Unit

CIN

Input Capacitance

VIN = 3dV

9

pF

COUT

Output Capacitance

VOUT = 3dV

10

pF

5639 tbl 07

Symbol

Parameter

Test Conditions

70T35/34L

(70T25/24L)

Unit

Min.

Max.

|ILI|

Input Leakage Current

(1)

VDD = 2.6V, VIN = 0V to VDD

___

5µ A

|ILO|

Output Leakage Currentt

(1)

CE = VIH, VOUT = 0V to VDD

___

5µ A

VOL

Output Low Voltage

IOL = +2mA

___

0.4

V

VOH

Output High Voltage

IOH = -2mA

2.0

___

V

5639 tbl 08

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