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IDT7MP4145S15Z

256K x 32 CMOS STATIC RAM MODULE

Integrated Device Technology 

IDT7MP4045/7MP4145

256K x 32 CMOS STATIC RAM MODULE

COMMERCIAL TEMPERATURE RANGE

CAPACITANCE (TA = +25°C, F = 1.0MHz)

Symbol

Parameter(1)

Conditions Max.

CIN(C)

Input Capacitance

V(IN) = 0V

20

(CS)

CIN(A)

Input Capacitance V(IN) = 0V

70

(Address & Control)

CI/O

I/O Capacitance

V(OUT) = 0V 12

NOTE:

1. This parameter is guaranteed by design but not tested.

Unit

pF

pF

pF

2703 tbl 02

RECOMMENDED DC OPERATING

CONDITIONS

Symbol

VCC

GND

VIH

VIL

Parameter

Supply Voltage

Supply Voltage

Input High Voltage

Input Low Voltage

Min. Typ.

4.5 5.0

0

0

2.2 —

–0.5(1) —

NOTE:

1. VIL (min) = –1.5V for pulse width less than 10ns.

Max. Unit

5.5 V

0

V

6.0 V

0.8 V

2703 tbl 03

RECOMMENDED OPERATING

TEMPERATURE AND SUPPLY VOLTAGE

Ambient

Grade

Temperature

GND

VCC

Commercial

0°C to +70°C

0V

5.0V ± 10%

2703 tbl 04

TRUTH TABLE

Mode

CS OE WE

Standby

HXX

Read

L LH

Write

LXL

Read

L HH

Output

High-Z

DATAOUT

DATAIN

High-Z

Power

Standby

Active

Active

Active

2703 tbl 05

PIN CONFIGURATION – 7MP4145(1)

NC 2

PD3 4

PD0 6

I/O0 8

I/O1 10

I/O2 12

I/O3 14

VCC 16

A7 18

A8 20

A9 22

I/O4 24

I/O5 26

I/O6 28

I/O7 30

WE 32

A14 34

CS1 36

1 NC

3 PD2

5 GND

7 PD1

9 I/O8

11 I/O9

13 I/O10

15 I/O11

17 A0

19 A1

21 A2

23 I/O12

25 I/O13

27 I/O14

29 I/O15

31 GND

33 A15

35 CS2

PD0 - GND

PD1 - GND

PD2 - OPEN

PD3 - OPEN

CS3 38

A16 40

GND 42

I/O16 44

I/O17 46

I/O18 48

I/O19 50

A10 52

A11 54

A12 56

A13 58

I/O20 60

I/O21 62

I/O22 64

I/O23 66

GND 68

NC 70

NC 72

37 CS4

39 A17

41 OE

43 I/O24

45 I/O25

47 I/O26

49 I/O27

51 A3

53 A4

55 A5

57 VCC

59 A6

61 I/O28

63 I/O29

65 I/O30

67 I/O31

69 NC

71 NC

SIMM

TOP VIEW

2703 drw 15

NOTE:

1. Pins 3,4,6,and 7 (PD0-3) are read by the user to determine the density of

the module. If PD0, PD1 read GND and PD2, PD3 read OPEN, then the

module has a 256K depth.

ABSOLUTE MAXIMUM RATINGS(1)

Symbol

Rating

Value

Unit

VTERM

Terminal Voltage with

Respect to GND

–0.5 to +7.0

V

TA

Operating Temperature

0 to +70

°C

TBIAS

Temperature Under Bias

–10 to +85

°C

TSTG

Storage Temperature

–55 to +125

°C

IOUT

DC Output Current

50

mA

NOTE:

2703 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.

15.2

2

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