IDT707288S15PF datasheet(3/16 Pages) IDT

Part #	IDT707288S15PF

Description	HIGH-SPEED 64K x 16 BANK-SWITCHABLE DUAL-PORTED SRAM WITH EXTERNAL BANK SELECTS

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Manufacturer	IDT [Integrated Device Technology]

Direct Link	http://www.idt.com

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3 / 16 page

6.42

IDT707288S/L

High-Speed 64K x 16 Dual-Port Static RAM

Industrial and Commercial Temperature Ranges

3

INDEX

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

75

74

73

72

71

70

69

68

67

66

65

64

63

62

61

60

59

58

57

56

55

54

53

52

51

26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76

IDT707288PF

PN100-1(4)

100-Pin TQFP

Top View(5)

GND

OER

R/

WR

MBSELR

CE1R

CE0R

BKSEL3

NC

GND

A9R

A10R

A8R

A7R

A6R

A11R

I/O10R

I/O11R

I/O12R

I/O13R

I/O14R

I/O15R

GND

UBR

LBR

3592 drw 02

I/O15L

GND

OEL

R/

WL

MBSELL

CE1L

CE0L

Vcc

BKSEL0

A11L

A10L

NC

A9L

A8L

A7L

A6L

I/O10L

I/O11L

I/O12L

I/O13L

I/O14L

UBL

LBL

GND

A13R

A13L

,

Pin Names

NOTES:

1. All VCC pins must be connected to power supply.

2. All GND pins must be connected to ground supply.

3. Package body is approximately 14mm x 14mm x 1.4mm.

4. This package code is used to reference the package diagram.

5. This text does not indicate orientation of the actual part-marking.

NOTES:

1. Duplicated per port.

2. Each bank has an input pin assigned that allows the user to toggle the assignment

of that bank between the two ports. Refer to Truth Table IV for more details. When

changing the bank assignments, accesses of the affected banks must be

suspended. Accesses may continue uninterrupted in banks that are not being

reallocted.

3. Generated upon mailbox access.

4. All Vcc pins must be connected to power supply.

5. All GND pins must be connected to ground supply.

6. The first six address pins (A0-A5) for each port serve dual functions. When

MBSEL

= VIH, the pins serve as memory address inputs. When

MBSEL = VIL, the pins

serve as mailbox address inputs (A6-A13 are ignored).

Pin Configurations(1,2,3)

A0 - A13

(1,6)

Address Inputs

BA0 - BA1

(1)

Bank Address Inputs

MBSEL(1)

Mailbox Access Control Gate

BKSEL0-3

(2)

Bank Select Inputs

R/

W(1)

Read/Write Enable

OE(1)

Output Enable

CE0, CE1(1)

Chip Enables

UB, LB(1)

I/O Byte Enables

I/O0 - I/O15

(1)

Bidirectional Data Input/Output

INT(1)

Interrupt Flag (Output)

(3)

VCC

(4)

+5VPower

GND

(5)

Ground

3592 tbl 01

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