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November 16, 2007

IDT70P9268

Very Low Power 16K x 16 Synchronous Mobile Multimedia Interface (M2I) Dual Port Static RAM

Industrial Temperature Range

Truth Table I - Read/Write and Enable Control (Multiplexed Port)

Truth Table II - Read/Write and Enable Control (Non-Multiplexed Port)

Truth Table III - Address Counter Control

Recommended Operating Temperature and Supply Voltage

OE

CLK

CE

UB

LB

R/

W

ADS

ZZ

Upper

Byte

Lower

Byte

Cycle

Address

Mode

X

↑

H

X

X

X

X

L

High Z

High Z

X

X

Deselected

X

↑

L

H

H

X

X

L

High Z

High Z

X

X

Both bytes deselected

X

↑

L

L

H

L

L

L

--

--

N

AN

X

↑

X

X

X

L

H

L

DIN

High Z

N+1

--

Write to Upper Byte

X

↑

L

H

L

L

L

L

--

--

N

AN

X

↑

X

X

X

L

H

L

High Z

DIN

N+1

--

Write to Lower Byte

X

↑

L

L

L

L

L

L

--

--

N

AN

X

↑

X

X

X

L

H

L

DIN

DIN

N+1

--

Write to Both Bytes

H

↑

L

L

H

H

L

L

--

--

N

AN

L

↑

X

X

X

H

H

L

DOUT

High Z

N+2

--

Read Upper Byte Only

H

↑

L

H

L

H

L

L

--

--

N

AN

L

↑

X

X

X

H

H

L

High Z

DOUT

N+2

--

Read Lower Byte Only

H

↑

L

L

L

H

L

L

--

--

N

AN

L

↑

X

X

X

H

H

L

DOUT

DOUT

N+2

--

Read Both Bytes

H

↑

L

L

L

X

H

L

High Z

High Z

X

X

Outputs Disabled

X

X

X

X

X

X

X

H

High Z

High Z

X

X

Sleep Mode – Power down

OE

CLK

CE

UB

LB

R/

W

ZZ

Upper Byte I/O

Lower Byte I/O

Mode

X

↑

H

X

X

X

L

High Z

High Z

Deselected

X

↑

L

H

H

X

L

High Z

High Z

Both Bytes Deselected

X

↑

L

L

H

L

L

DIN

High Z

Write To Upper Byte Only

X

↑

L

H

L

L

L

High Z

DIN

Write to Lower Byte Only

X

↑

L

L

L

L

L

DIN

DIN

Write to Both Bytes

L

↑

L

L

H

H

L

DOUT

High Z

Read Upper Byte Only

L

↑

L

H

L

H

L

High Z

DOUT

Read Lower Byte Only

L

↑

L

L

L

H

L

DOUT

DOUT

Read Both Bytes

H

↑

L

L

L

X

L

High Z

High Z

Outputs Disabled

X

X

X

X

X

X

H

High Z

High Z

Sleep Mode – Power Down

External

Address

Previous

Internal

Address

Internal

Address

Used

CLK

ADS

CNTEN

CNTRPT

Mode

An

X

An

↑

L

X

H

External Address Used

X

An

An + 1

↑

H

L

H

Counter Enabled – Internal Address

Generation

X

An + 1

An + 1

↑

H

H

H

External Address Blocked – Counter

Disabled (An + 1 reused)

X

X

An

↑

X

X

L

Counter Reset to Last External Address

Loaded

Grade

Ambient Temperature

GND

VDD

Industrial

-40

°C to +85°C

0V

1.8V +/- 100mV