IDT71342LA55PF datasheet(3/13 Pages) IDT

3 / 13 page

6.05

IDT71342SA/LA

HIGH-SPEED 4K x 8 DUAL-PORT STATIC RAM WITH SEMAPHORE

COMMERCIAL TEMPERATURE RANGE

DC ELECTRICAL CHARACTERISTICS OVER THE

OPERATING TEMPERATURE AND SUPPLY VOLTAGE RANGE(1) (VCC = 5.0V

± 10%)

71342X20

71342X25

71342X35

71342X45

71342X55 71342X70

Symbol

Parameter

Test Conditions

Version

Typ.(2) Max. Typ.(2) Max. Typ.(2) Max. Typ.(2) Max. Typ.(2) Max. Typ.(2) Max. Unit

ICC

Dynamic Operating

CE = VIL

COM’L. S

—

280

—

280

—

260

—

240

—

240

—

240

Current

Outputs Open

—

240

—

240

—

220

—

200

—

200

—

200

(Both Ports Active)

SEM = Don't Care

f = fMAX(3)

ICC1

Dynamic Operating

CE = VIH

COM’L. S

—

280

—

200

—

185

—

170

—

170

—

170

Current

Outputs Open

—

240

—

170

—

155

—

140

—

140

—

140

(Semaphores

SEM < VIL

Both Sides)

f = fMAX(3)

ISB1

Standby Current

CEL and CER = VIH COM’L. S

(Both Ports—TTL

SEML = SEMR > VIH

Level Inputs)

f = fMAX(3)

ISB2

Standby Current

CE"A" = VIL and

COM’L. S

—

180

—

180

—

170

—

160

—

160

—

160

(One Port—TTL

CE"B" = VIH(5)

—

150

—

150

—

140

—

130

—

130

—

130

Level Inputs)

Active Port Outputs

Open, f = fMAX(3)

ISB3

Full Standby Current Both Ports

CEL and COM’L. S

1.0

(Both Ports—All

CER > VCC - 0.2V

0.2

4.5

0.2

4.0

0.2

4.0

0.2

4.0

0.2

4.0

0.2

4.0

CMOS Level Inputs)

VIN > VCC - 0.2V or

VIN < 0.2V

SEML = SEMR >

VCC - 0.2V, f = 0(4)

ISB4

Full Standby Current One Port

CE"A" or

COM’L. S

—

170

—

170

—

150

—

150

—

150

—

150

(One Port—All

CE"B" > VCC - 0.2V

—

140

—

140

—

130

—

120

—

120

—

120

CMOS Level Inputs)

VIN > VCC - 0.2V or

VIN < 0.2V

SEML = SEMR >

VCC - 0.2V

Active Port Outputs

Open, f = fMAX(3)

NOTES:

1. “X” in part number indicates power rating (SA or LA).

2. VCC = 5V, TA = +25

°C for typical values, and parameters are not production tested.

3. fMAX = 1/tRC = All inputs cycling at f = 1/tRC (except Output Enable).

4. f = 0 means no address or control lines change. Applies only to inputs at CMOS level standby ISB3.

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

DC ELECTRICAL CHARACTERISTICS OVER THE

OPERATING TEMPERATURE AND SUPPLY VOLTAGE (VCC = 5V

± 10%)

IDT71342SA

IDT71342LA

Symbol

Parameter

Test Conditions

Min.

Max.

Min.

Max.

Unit

|ILI|

Input Leakage Current

(1)

VCC = 5.5V, VIN = 0V to VCC

—10—

µA

|ILO|

Output Leakage Current

CE = VIH, VOUT = 0V to VCC

—10—

µA

VOL

Output Low Voltage

IOL = 6mA

—

0.4

—

0.4

IOL = 8mA

—

0.5

—

0.5

VOH

Output High Voltage

IOH = –4mA

2.4

—

2.4

—

2721 tbl 05

1. At Vcc < 2.0V input leakages are undefined.

NOTE:

2721 tbl 06

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