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IDT71V428L

3.3V CMOS Static RAM 4 Meg (1M x 4-Bit)

Integrated Device Technology 

IDT71V428S, IDT71V428L, 3.3V CMOS Static RAM

4 Meg (1M x 4-Bit)

Commercial and Industrial Temperature Ranges

Absolute Maximum Ratings(1)

Recommended Operating

Symbol

Rating

Temperature and Supply Voltage

Value

Unit

VDD

Supply Voltage Relative to

-0.5 to +4.6

V

Grade

Temperature

VSS

Commercial

0°C to +70°C

VSS

VDD

0V

See Below

VIN, VOUT Terminal Voltage Relative -0.5 to VDD+0.5

V

to VSS

TBIAS

Temperature Under Bias

-55 to +125

oC

Industrial

–40°C to +85°C

0V

See Below

3623 tbl 05

TSTG

Storage Temperature

-55 to +125

oC

PT

Power Dissipation

1

W

IOUT

DC Output Current

50

mA

NOTE:

3623 tbl 04

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.

Recommended DC Operating

Conditions

Symbol

Parameter

Min. Typ. Max. Unit

VDD Supply Voltage

3.0

3.3

3.6

V

VSS Ground

0

0

0

V

VIH Input High Voltage

VIL Input Low Voltage

2.0

-0.3(2)

____ VDD+0.3(1) V

____

0.8

V

NOTES:

1. VIH (max.) = VDD+2V for pulse width less than 5ns, once per cycle.

2. VIL (min.) = –2V for pulse width less than 5ns, once per cycle.

3623 tbl 06

DC Electrical Characteristics

(VDD = Min. to Max., Commercial and Industrial Temperature Ranges)

Symbol

|ILI|

|ILO|

VOL

VOH

Parameter

Input Leakage Current

Output Leakage Current

Output Low Voltage

Output High Voltage

Test Condition

VDD = Max., VIN = VSS to VDD

VDD = Max., CS = VIH, VOUT = VSS to VDD

IOL = 8mA, VDD = Min.

IOH = -4mA, VDD = Min.

IDT71V428

Min.

__ _

__ _

__ _

2.4

Max.

5

5

0.4

__ _

Unit

µA

µA

V

V

3623 tbl 07

DC Electrical Characteristics(1,2,3)

(VDD = Min. to Max., VLC = 0.2V, VHC = VDD – 0.2V)

71V428S/L10

Symbol

Parameter

Com'l.

Ind.(5)

ICC

Dynam ic Operating Current

S

150

150

CS ≤ VLC, Outputs Open, VDD = Max., f = fMAX(4) L

140

—

ISB

Dynamic Standby Power Supply Current

S

60

60

CS ≥ VHC, Outputs Open, VDD = Max., f = fMAX(4) L

40

—

ISB1 Full Standby Power Supply Current (static)

S

20

20

CS ≥ VHC, Outputs Open, VDD = Max., f = 0(4)

L

10

—

NOTES:

1. All values are maximum guaranteed values.

2. All inputs switch between 0.2V (Low) and VDD - 0.2V (High).

3. Power specifications are preliminary.

4. fMAX = 1/tRC (all address inputs are cycling at fMAX); f = 0 means no address input lines are changing.

5. Standard power 10ns (S10) speed grade only.

6.342

71V428S/L12

Com'l.

Ind.

140

140

130

130

50

50

35

35

20

20

10

10

71V428S/L15

Com'l.

Ind. Unit

130

130 mA

120

120 mA

40

40

mA

30

30

mA

20

20

mA

10

10

mA

3623 tbl 08

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