IDT70V27L35GI datasheet(8/22 Pages) IDT

Part #	IDT70V27L35GI

Description	HIGH-SPEED 3.3V 32K x 16 DUAL-PORT STATIC RAM

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Manufacturer	IDT [Integrated Device Technology]

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Commercial and Industrial Temperature Range

IDT 70V27S/L

High-Speed 3.3V 32K x 16 Dual-Port Static RAM

8

AC Test Conditions

Figure 1. AC Output Test Load

3603 drw 04

590

Ω

30pF

435

Ω

3.3V

DATAOUT

BUSY

INT

590

Ω

5pF*

435

Ω

3.3V

DATAOUT

Input Pulse Levels

Input Rise/Fall Times

Input Timing Reference Levels

Output Reference Levels

Output Load

GND to 3.0V

5ns Max.

1.5V

Figures 1 and 2

3603 tbl 11

Figure 2. Output Test Load

(for tLZ, tHZ, tWZ, tOW)

*Including scope and jig.

DC Electrical Characteristics Over the Operating

Temperature and Supply Voltage Range(1,6,7) (VCC = 3.3V ± 0.3V)

NOTES:

1.

'X' in part numbers indicates power rating (S or L).

2.

VCC = 3.3V, TA = +25°C, and are not production tested. ICCDC = 90mA (Typ.)

3.

At f = fMAX

, address and control lines (except Output Enable) are cycling at the maximum frequency read cycle of 1/tRC, and using “AC Test Conditions” of input

levels of GND to 3V.

4.

f = 0 means no address or control lines change.

5.

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

6. Refer to Chip Enable Truth Table.

7. Industrial temperature: for other speeds, packages and powers contact your sales office.

70V27X35

Com'l & Ind

70V27X55

Com'l Only

Symbol

Parameter

Test Condition

Version

Typ.

(2)

Max.

Typ.

(2)

Max.

Unit

ICC

Dynamic Operating Current

(Both Ports Active)

CE = VIL, Outputs Disabled

SEM = VIH

f = fMAX

(3)

COM'L

S

L

135

235

190

125

225

180

mA

IND'L

S

L

135

270

235

125

260

225

ISB1

Standby Current

(Bo th Ports - TTL Level

Inputs)

CEL = CER = VIH

SEMR = SEML = VIH

f = fMAX

(3)

COM'L

S

L

22

45

35

15

40

30

mA

IND'L

S

L

22

55

45

15

50

40

ISB2

Standby Current

(One Port - TTL Level

Inputs)

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

Active Port Outputs Disabled,

f=fMAX

(3)

SEMR = SEML = VIH

COM'L

S

L

85

140

125

75

140

125

mA

IND'L

S

L

85

160

140

75

160

140

ISB3

Full Standby Current (Both

Ports - All CMOS Level

Inputs)

Both Ports

CEL and

CER > VCC - 0.2V

VIN > VCC - 0.2V or

VIN < 0.2V, f = 0

(4)

SEMR = SEML > VCC - 0.2V

COM'L

S

L

1.0

0.2

6

3

1.0

0.2

6

3

mA

IND'L

S

L

1.0

0.2

10

6

1.0

0.2

10

6

ISB4

Full Standby Current

(One Port - All CMOS

Level Inputs)

CE"A" < 0.2V and

CE"B" > VCC - 0.2V(5)

SEMR = SEML > VCC - 0.2V

VIN > VCC - 0.2V or VIN < 0.2V

Active Port Outputs Disabled

f = fMAX(3)

COM'L

S

L

85

135

120

75

135

120

mA

IND'L

S

L

85

160

135

75

160

135

3603 tbl 10b

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