IDT7035S_15 datasheet(4/19 Pages) IDT

Part #	IDT7035S

Description	HIGH-SPEED 8K x 18 DUAL-PORT STATIC RAM

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Manufacturer	IDT [Integrated Device Technology]

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6.42

IDT7035S/L

High-Speed 8K x 18 Dual-Port Static RAM

Industrial and Commercial Temperature Ranges

4

Recommended DC Operating

Conditions

Maximum Operating

Temperature and Supply Voltage(1)

Capacitance (TA = +25°C, f = 1.0MHz) (1)

Absolute Maximum Ratings(1)

NOTE:

1. There are eight semaphore flags written to via I/O0 and read from I/O0 - I/O17. These eight semaphores are addressed by A0 - A2.

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

NOTES:

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 < 20 mA for the period over VTERM > Vcc + 10%.

NOTES:

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

NOTES:

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

2. VTERM must not exceed Vcc + 10%.

NOTES:

1. This parameter is determined by device characterization but is not production

tested. For TQFP Package Only.

2. 3dV references the interpolated capacitance when the input and output signals

switch from 0V to 3V or from 3V to 0V.

Inputs

Outputs

Mode

CE

R/W

OE

UB

LB

SEM

I/O9-17

I/O0-8

HH

L

X

L

DATAOUT

Read Data in Semaphore Flag

XH

L

H

L

DATAOUT

Read Data in Semaphore Flag

H

↑

XXX

L

DATAIN

Write I/O0 into Semaphore Flag

X

↑

XH

H

L

DATAIN

Write I/O0 into Semaphore Flag

LX

X

L

X

L

______

Not Allowed

L

XXX

L

______

Not Allowed

4088 tbl 03

Symbol

Rating

Commercial

& Industrial

Unit

VTERM(2)

Terminal Voltage

with Respect

to GND

-0.5 to +7.0

V

TBIAS

Temperature

Under Bias

-55 to +125

o

C

TSTG

Storage

Temperature

-65 to +150

o

C

IOUT

DC Output

Current

50

mA

4088 tbl 04

Grade

Ambient

Temperature

GND

Vcc

Commercial

0OC to +70OC0V

5.0V

+ 10%

Industrial

-40OC to +85OC0V

5.0V

+ 10%

4088 tbl 05

Symbol

Parameter

Min.

Typ.

Max.

Unit

VCC

Supply Voltage

4.5

5.0

5.5

V

GND

Ground

0

V

VIH

Input High Voltage

2.2

____

6.0(2)

V

VIL

Input Low Voltage

-0.5(1)

____

0.8

V

4088 tbl 06

Symbol

Parameter

Conditions(2)

Max.

Unit

CIN

Input Capacitance

VIN = 3dV

9

pF

COUT

Output

Capacitance

VOUT = 3dV

10

pF

4088 tbl 07

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