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IDT71V3557SA80BQI

128K x 36, 256K x 18, 3.3V Synchronous ZBT™ SRAMs 3.3V I/O, Burst Counter, Flow-Through Outputs

Integrated Device Technology 

IDT71V3557, IDT71V3559, 128K x 36, 256K x 18, 3.3V Synchronous SRAMs with

ZBT™ Feature, 3.3V I/O, Burst Counter, and Flow-Through Outputs

Commercial and Industrial Temperature Ranges

Pin Configuration — 256K x 18

Absolute Maximum Ratings (1)

Symbol

Rating

Commercial &

Industrial Values

Unit

100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81

VTERM(2)

Terminal Voltage with

Respect to GND

-0.5 to +4.6

V

NC

NC

NC

VDDQ

VSS

NC

NC

I/O8

I/O9

VSS

VDDQ

I/O10

I/O11

VSS(1)

VDD

VDD(2)

VSS

I/O12

I/O13

VDDQ

VSS

I/O14

I/O15

I/OP2

NC

VSS

VDDQ

NC

NC

NC

1

80

2

79

3

78

4

77

5

76

6

75

7

74

8

73

9

72

10

71

11

70

12

69

13

68

14

67

15

66

16

65

17

64

18

63

19

62

20

61

21

60

22

59

23

58

24

57

25

56

26

55

27

54

28

53

29

52

30

51

31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

A10

NC

NC

VDDQ

VSS

NC

I/OP1

I/O7

I/O6

VSS

VDDQ

I/O5

I/O4

VSS

VSS(1)

VDD

VSS/ZZ(1,4)

I/O3

I/O2

VDDQ

VSS

I/O1

I/O0

NC

NC

, VSS

VDDQ

NC

NC

NC

VTERM(3,6)

VTERM(4,6)

VTERM(5,6)

TA(7)

TBIAS

TSTG

PT

IOUT

Terminal Voltage with

Respect to GND

Terminal Voltage with

Respect to GND

Terminal Voltage with

Respect to GND

Commercial

Operating Temperature

Industrial

Operating Temperature

Temperature

Under Bias

Storage

Temperature

Power Dissipation

DC Output Current

-0.5 to VDD

V

-0.5 to VDD +0.5

V

-0.5 to VDDQ +0.5

V

-0 to +70

oC

-40 to +85

oC

-55 to +125

oC

-55 to +125

oC

2.0

W

50

mA

5282 drw 02a

Top View

100 TQFP

NOTES:

1. Pins14,64,and66donothavetobeconnecteddirectlytoVSSaslongastheinputvoltage

is < VIL.

2. Pin 16 does not have to be connected directly to VDD as long as the input voltage

is > VIH.

3. Pins 83 and 84 are reserved for future 8M and 16M respectively.

4. Pin 64 supports ZZ (sleep mode) for the latest die revisions.

NOTES:

5282 tbl 06

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. VDD terminals only.

3. VDDQ terminals only.

4. Input terminals only.

5. I/O terminals only.

6. This is a steady-state DC parameter that applies after the power supply has

reached its nominal operating value. Power sequencing is not necessary;

however, the voltage on any input or I/O pin cannot exceed VDDQ during power

supply ramp up.

7. TA is the "instant on" case temperature.

100 TQFP Capacitance(1)

(TA = +25°C, F = 1.0MHZ)

Symbol

Parameter(1)

Conditions

CIN Input Capacitance

VIN = 3dV

Max. Unit

5 pF

119 BGA Capacitance(1)

(TA = +25°C, F = 1.0MHZ)

Symbol

Parameter(1)

Conditions

CI/O I/O Capacitance

VOUT = 3dV

7 pF

CIN Input Capacitance

VIN = 3dV

119 BGA Capacitance(1)

(TA = +25°C, F = 1.0MHZ)

5282 tbl 07

CI/O I/O Capacitance

VOUT = 3dV

Symbol

Parameter(1)

Conditions Max. Unit

CIN Input Capacitance

VIN = 3dV

TBD pF

CI/O I/O Capacitance

VOUT = 3dV TBD pF

NOTE:

5282 tb l 07b

1. This parameter is guaranteed by device characterization, but not production tested.

Max. Unit

7 pF

7 pF

5282 tbl 07a

6.462

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