IDT7018L 查看數據表（PDF） - Integrated Device Technology

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IDT7018L

HIGH-SPEED 64K x 9 DUAL-PORT STATIC RAM

Integrated Device Technology 

IDT7018L

High-Speed 64K x 9 Dual-Port Static RAM

Pin Names

Left Port

Right Port

Names

CE0L, CE1L

R/WL

CE0R, CE1R

R/WR

Chip Enables

Read/Write Enable

OEL

OER

Output Enable

A0L - A15L

A0R - A15R

Address

I/O0L - I/O8L

I/O0R - I/O8R

Data Input/Output

SEML

SEMR

Semaphore Enable

INTL

INTR

Interrupt Flag

BUSYL

BUSYR

M/S

Busy Flag

Master or Slave Select

VCC

Power

GND

Ground

4841 tbl 01

Industrial and Commercial Temperature Ranges

Absolute Maximum Ratings(1)

Symbol

Rating

VTERM(2)

Terminal Voltage

with Respect

to GND

Commercial Military Unit

& Industrial

-0.5 to +7.0 -0.5 to +7.0 V

TBIAS

Temperature

Under Bias

-55 to +125 -65 to +135 oC

TSTG

Storage

Temperature

-65 to +150 -65 to +150 oC

IOUT

DC Output Current

50

50

mA

NOTES:

4841 tbl 02

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%.

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%.

4841 tbl 04

Capacitance

(TA = +25°C, f = 1.0MHz)

Symbol

Parameter(1)

Conditions(2)

Max. Unit

Maximum Operating Temperature

and Supply Voltage(1)

Ambient

Grade

Temperature(2)

GND

Vcc

Military

-55OC to +125OC

0V

5.0V + 10%

Commercial

0OC to +70OC

0V

5.0V + 10%

CIN Input Capacitance

VIN = 3dV

9 pF

COUT Output Capacitance

VOUT = 3dV

10 pF

NOTES:

4841 tbl 05

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

tested.

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

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

Industrial

-40OC to +85OC

0V

5.0V + 10%

NOTES:

4841 tbl 03

1. Industrial Temperature: for specific speeds, packages and powers contact your

sales office.

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

6.342

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