IDT7015S17PFG 查看數據表（PDF） - Integrated Device Technology

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IDT7015S17PFG

HIGH-SPEED 8K x 9 DUAL-PORT STATIC RAM

Integrated Device Technology 

IDT7015S/L

High-Speed 8K x 9 Dual-Port Static RAM

Military, Industrial and Commercial Temperature Ranges

Truth Table I: Non-Contention Read/Write Control

Inputs(1)

Outputs

CE

R/W

OE

SEM

I/O0-8

Mode

H

X

X

H

High-Z

Deselected: Power-Down

L

L

X

H

DATAIN

Write to Memory

L

H

L

H

DATAOUT Read Memory

X

X

H

X

High-Z

Outputs Disabled

NOTE:

1. Condition: A0L — A12L = A0R — A12R

2954 tbl 02

Truth Table II: Semaphore Read/Write CONTROL(1)

Inputs(1)

Outputs

CE

R/W

OE

SEM

I/O0-8

Mode

H

H

L

L

DATAOUT Read Semaphore Flag Data Out (I/O0-8)

H

↑

X

L

DATAIN

Write I/O0 into Semaphore Flag

L

X

X

L

____

Not Allowed

NOTE:

1. There are eight semaphore flags written to via I/O0 and read from all I/Os (I/O0 - I/O8). These eight semaphores are addressed by A0 - A2.

2954 tbl 03

Absolute Maximum Ratings(1)

Symbol

Rating

Commercial

& Industrial

Military Unit

VTERM(2)

Terminal Voltage

with Respect

to GND

-0.5 to +7.0 -0.5 to +7.0 V

TBIAS

Te mpe rature

Under Bias

-55 to +125 -65 to +135 oC

TSTG

Storage

Te mpe rature

-65 to +150 -65 to +150 oC

IOUT

DC Output

Current

50

50

mA

NOTES:

2954 tbl 04

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. VTERM must not exceed Vcc + 10% for more than 25% of the cycle time or 10ns

maximum, and is limited to < 20mA for the period of VTERM > Vcc + 10%.

Maximum Operating

Temperature and Supply Voltage(1)

Grade

Ambient

GND

Vcc

Temperature

Military

-55OC to +125OC

0V

5.0V + 10%

Commercial

0OC to +70OC

0V

5.0V + 10%

Industrial

-40OC to +85OC

0V

5.0V + 10%

NOTES:

2954 tbl 05

1. This is the parameter TA. There is the "instant on" case temperature.

Recommended DC Operating

Conditions

Symbol

Parameter

Min. Typ. Max. Unit

VCC Supply Voltage

4.5 5.0 5.5 V

GND Ground

0

0

0

V

VIH Input High Voltage

2.2

____

6.0(2)

V

VIL Input Low Voltage

-0.5(1)

____

0.8

V

NOTES:

1. VIL > -1.5V for pulse width less than 10ns.

2. VTERM must not exceed Vcc + 10%.

2954 tbl 06

6.4 2

APRIL 04, 2006

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