IDT70T631S15BF datasheet(4/27 Pages) IDT

Part #	IDT70T631S15BF

Description	HIGH-SPEED 2.5V 512/256K x 18 ASYNCHRONOUS DUAL-PORT STATIC RAM WITH 3.3V 0R 2.5V INTERFACE

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Manufacturer	IDT [Integrated Device Technology]

Direct Link	http://www.idt.com

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4 / 27 page

IDT70T633/1S

Preliminary

High-Speed 2.5V 512/256K x 18 Asynchronous Dual-Port Static RAM

Industrial and Commercial Temperature Ranges

4

NOTES:

1. All VDD pins must be connected to 2.5V power supply.

2. All VDDQ pins must be connected to appropriate power supply: 3.3V if OPT pin for that port is set to VDD (2.5V), and 2.5V if OPT pin for that port is

set to VSS (0V).

3. All VSS pins must be connected to ground.

4. A18X is a NC for IDT70T631.

5. Package body is approximately 20mm x 20mm x 1.4mm.

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

7. 8ns Commercial and 10ns Industrial speed grades are not available in the DD-144 package.

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

9. Due to the restricted number of pins, JTAG is not supported in the DD-144 package.

VSS

VDDQR

VSS

I/O9L

I/O9R

I/O10L

I/O10R

I/O11L

I/O11R

VDDQL

VSS

I/O12L

I/O12R

VDDQR

ZZR

VDD

VSS

VDDQL

VSS

I/O13R

I/O13L

I/O14R

I/O14L

VDDQR

VSS

I/O15R

I/O15L

I/O16R

I/O16L

I/O17R

I/O17L

VSS

VDDQL

NC

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5

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108

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OPTL

VDDQR

VSS

I/O8L

I/O8R

I/O7L

I/O7R

I/O6L

I/O6R

VSS

VDDQL

I/O5L

I/O5R

VSS

VDDQR

VDD

VSS

ZZL

VDDQL

I/O4R

I/O4L

I/O3R

I/O3L

VSS

VDDQR

I/O2R

I/O2L

I/O1R

I/O1L

I/O0R

I/O0L

VSS

VDDQL

OPTR

70T633/1DD

DD-144(5,6,7)

144-Pin TQFP

Top View(8)

5670 drw 02a

,

03/13/03

Pin Configurations(1,2,3,8) (con't.)

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