70T653MS12BCGI datasheet(6/24 Pages) IDT

6 / 24 page

IDT70T653M

High-Speed 2.5V 512K x 36 Asynchronous Dual-Port Static RAM

Industrial and Commercial Temperature Ranges

RecommendedOperating

Temperature and Supply Voltage(1)

NOTE:

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

Grade

Ambient

Temperature

GND

VDD

Commercial

0OC to +70OC0V

2.5V

+ 100mV

Industrial

-40OC to +85OC0V

2.5V

+ 100mV

5679 tbl 04

NOTES:

1. These parameters are determined by device characterization, but are not

production tested.

2. COUT also references CI/O.

Capacitance(1)

(TA = +25°C, F = 1.0MHZ) PQFP ONLY

Symbol

Parameter

Conditions

Max.

Unit

CIN

Input Capacitance

VIN = 0V

COUT(2)

Output Capacitance

VOUT = 0V

10.5

5679 tbl 08

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. This is a steady-state DC parameter that applies after the power supply has

reached its nominal operating value. Power sequencing is not necessary;

however, the voltage on any Input or I/O pin cannot exceed VDDQ during power

supply ramp up.

3. Ambient Temperature under DC Bias. No AC Conditions. Chip Deselected.

Recommended DC Operating

Conditions with VDDQ at 2.5V

Symbol

Parameter

Min.

Typ.

Max.

Unit

VDD

Core Supply Voltage

2.4

2.5

2.6

VDDQ

I/O Supply Voltage(3)

2.4

2.5

2.6

VSS

Ground

VIH

Input High Volltage

(Address, Control &

Data I/O Inputs)(3)

1.7

____

VDDQ + 100mV(2)

VIH

Input High Voltage _

JTAG

1.7

____

VDD + 100mV(2)

VIH

Input High Voltage -

ZZ, OPT

VDD - 0.2V

____

VDD + 100mV(2)

VIL

Input Low Voltage

-0.3(1)

____

0.7

VIL

Input Low Voltage -

ZZ, OPT

-0.3(1)

____

0.2

5679 tbl 05

NOTES:

1. VIL (min.) = -1.0V for pulse width less than tRC/2 or 5ns, whichever is less.

2. VIH (max.) = VDDQ + 1.0V for pulse width less than tRC/2 or 5ns, whichever is

less.

3. To select operation at 2.5V levels on the I/Os and controls of a given port, the

OPT pin for that port must be set to VSS(0V), and VDDQX for that port must be

supplied as indicated above.

Absolute Maximum Ratings(1)

Symbol

Rating

Commercial

& Industrial

Unit

VTERM

(VDD)

VDD Terminal Voltage

with Respect to GND

-0.5 to 3.6

VTERM(2)

(VDDQ)

VDDQ Terminal Voltage

with Respect to GND

-0.3 to VDDQ + 0.3

VTERM(2)

(INPUTS and I/O's)

Input and I/O Terminal

Voltage with Respect to GND

-0.3 to VDDQ + 0.3

TBIAS(3)

Temperature

Under Bias

-55 to +125

TSTG

Storage

Temperature

-65 to +150

TJN

Junction Temperature

+150

IOUT(For VDDQ = 3.3V) DC Output Current

IOUT(For VDDQ = 2.5V) DC Output Current

5679 tbl 07

NOTES:

1. VIL (min.) = -1.0V for pulse width less than tRC/2 or 5ns, whichever is less.

2. VIH (max.) = VDDQ + 1.0V for pulse width less than tRC/2 or 5ns, whichever is

less.

3. To select operation at 3.3V levels on the I/Os and controls of a given port, the

OPT pin for that port must be set to VDD (2.5V), and VDDQX for that port must be

supplied as indicated above.

Recommended DC Operating

Conditions with VDDQ at 3.3V

Symbol

Parameter

Min.

Typ.

Max.

Unit

VDD

Core Supply Voltage

2.4

2.5

2.6

VDDQ

I/O Supply Voltage(3)

3.15

3.3

3.45

VSS

Ground

VIH

Input High Voltage

(Address, Control

&Data I/O Inputs)(3)

2.0

____

VDDQ + 150mV(2)

VIH

Input High Voltage _

JTAG

1.7

____

VDD + 100mV(2)

VIH

Input High Voltage -

ZZ, OPT

VDD - 0.2V

____

VDD + 100mV(2)

VIL

Input Low Voltage

-0.3(1)

____

0.8

VIL

Input Low Voltage -

ZZ, OPT

-0.3(1)

____

0.2

5679 tbl 06

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