70T3719MS133BBG8 datasheet(8/25 Pages) IDT

Part #	70T3719MS133BBG8

Description	HIGH-SPEED 2.5V 256/128K x 72 SYNCHRONOUS DUAL-PORT STATIC RAM

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Manufacturer	IDT [Integrated Device Technology]

Direct Link	http://www.idt.com

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8 / 25 page

6.42

IDT70T3719/99M

High-Speed 2.5V 256/128K x 72 Dual-Port Synchronous Static RAM

Industrial and Commercial Temperature Ranges

8

DC Electrical Characteristics Over the Operating

Temperature and Supply Voltage Range (3) (VDD = 2.5V ± 100mV)

NOTES:

1. At f = fMAX, address and control lines (except Output Enable) are cycling at the maximum frequency clock cycle of 1/tCYC, using "AC TEST CONDITIONS".

2. f = 0 means no address, clock, or control lines change. Applies only to input at CMOS level standby.

3. Port "A" may be either left or right port. Port "B" is the opposite from port "A".

4. VDD = 2.5V, TA = 25°C for Typ, and are not production tested. IDD DC(f=0) = 30mA (Typ).

5. CEX = VIL means CE0X = VIL and CE1X = VIH

CEX

= VIH means CE0X = VIH or CE1X = VIL

CEX

< 0.2V means CE0X < 0.2V and CE1X > VDD - 0.2V

CEX

> VDD - 0.2V means CE0X > VDD - 0.2V or CE1X - 0.2V

"X" represents "L" for left port or "R" for right port.

6. ISB1, ISB2 and ISB4 will all reach full standby levels (ISB3) on the appropriate port(s) if ZZL and/or ZZR = VIH.

70T3719/99M

S166

Com'l

Only

70T3719/99M

S133

Com'l

& Ind

Symbol

Parameter

Test Condition

Version

Typ.(4)

Max.

Typ.(4)

Max.

Unit

IDD

Dynamic Operating

Current (Both

Ports Active)

CEL

and CER= VIL,

Outputs Disabled,

f = fMAX(1)

COM'L

S

640

900

520

740

mA

IND

S

___

520

900

ISB1(6)

Standby Current

(Both Ports - TTL

Level Inputs)

CEL

= CER = VIH

f = fMAX(1)

COM'L

S

350

460

280

380

mA

IND

S

___

280

470

ISB2(6)

Standby Current

(One Port - TTL

Level Inputs)

CE"A"

= VIL and CE"B" = VIH(5)

Active Port Outputs Disabled,

f=fMAX(1)

COM'L

S

500

650

400

500

mA

IND

S

___

400

620

ISB3

Full Standby Current

(Both Ports - CMOS

Level Inputs)

Both Ports CEL and

CER

> VDDQ - 0.2V, VIN > VDDQ - 0.2V

or VIN < 0.2V, f = 0(2)

COM'L

S

12

20

12

20

mA

IND

S

___

12

25

ISB4(6)

Full Standby Current

(One Port - CMOS

Level Inputs)

CE"A"

< 0.2V and CE"B" > VDDQ - 0.2V(5)

VIN > VDDQ - 0.2V or VIN < 0.2V

Active Port, Outputs Disabled, f = fMAX(1)

COM'L

S

500

650

400

500

mA

IND

S

___

400

620

Izz

Sleep Mode Current

(Both Ports - TTL

Level Inputs)

ZZL = ZZR = VIH

f=fMAX(1)

COM'L

S

12

20

12

20

mA

IND

S

___

12

25

5687 tbl 10

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