70V28L20PFGI datasheet(3/17 Pages) IDT

Part #	70V28L20PFGI

Description	HIGH-SPEED 3.3V 64K x 16 DUAL-PORT STATIC RAM

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Manufacturer	IDT [Integrated Device Technology]

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IDT70V28L

High-Speed 3.3V 64K x 16 Dual-Port Static RAM

Industrial and Commercial Temperature Ranges

Absolute Maximum Ratings(1)

Recommended DC Operating

Conditions

Maximum Operating Temperature

and Supply Voltage

Pin Names

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

NOTES:

1. This parameter is determined by device characterization but is not produc-

tion tested.

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

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

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 + 0.3V for more than 25% of the cycle time or 10ns

maximum, and is limited to < 20mA for the period of VTERM > Vcc + 0.3V.

NOTES:

1.

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

2.

VTERM must not exceed Vcc + 0.3V.

NOTE:

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

Symbol

Rating

Commercial

& Industrial

Unit

VTERM(2)

Terminal Voltage

with Respect

to GND

-0.5 to +4.6

V

TBIAS

Temperature

Under Bias

-55 to +125

oC

TSTG

Storage

Temperature

-65 to +150

oC

IOUT

DC Output Current

50

mA

4849 tbl 02

Grade

Ambient

Temperature(1)

GND

Vcc

Commercial

0OC to +70OC0V

3.3V

+ 0.3V

Industrial

-40OC to +85OC0V

3.3V

+ 0.3V

4849 tbl 03

Symbol

Parameter

Conditions

(2)

Max.

Unit

CIN

Input Capacitance

VIN = 3dV

9

pF

COUT

Output Capacitance

VOUT = 3dV

10

pF

4849 tbl 05

Left Port

Right Port

Names

CE0L, CE1L

CE0R, CE1R

Chip Enables

R/

WL

R/

WR

Read/Write Enable

OEL

OER

Output Enable

A0L - A15L

A0R - A15R

Address

I/O0L - I/O15L

I/O0R - I/O15R

Data Input/Output

SEML

SEMR

Semaphore Enable

UBL

UBR

Upper Byte Select

LBL

LBR

Lower Byte Select

INTL

INTR

Interrupt Flag

BUSYL

BUSYR

Busy Flag

M/

S

Master or Slave Select

VCC

Power

GND

Ground

4849 tbl 01

Symbol

Parameter

Min.

Typ.

Max.

Unit

VCC

Supply Voltage

3.0

3.3

3.6

V

GND

Ground

0

V

V IH

Input High Voltage

2.0

____

VCC+0.3(2)

V

V IL

Input Low Voltage

-0.3

(1)

____

0.8

V

4849 tbl 04

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