ES62UL256 データシートの表示（PDF） - NanoAmp Solutions, Inc.

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ES62UL256

32Kx8 Bit Ultra-Low Power Asynchronous Static RAM

NanoAmp Solutions, Inc. 

NanoAmp Solutions

ES62UL256 Family

TABLE 3: Absolute Maximum Ratings*

Item

Symbol

Rating

Unit

Voltage on any pin relative to VSS

Voltage on VCC Supply Relative to VSS

Power Dissipation

Storage Temperature

Operating Temperature

Soldering Temperature and Time

VIN,OUT

–0.3 to VCC+0.3

V

VCC

–0.3 to 4.0

V

PD

500

mW

TSTG

–40 to 125

oC

TA

-20 to +80

oC

TSOLDER

260 oC, 10sec (Lead only)

oC

*Stresses greater than those listed above 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 operating section of this

specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.

TABLE 4: Operating Characteristics (Over the Specified Temperature Range)

Item

Symbol

Test Conditions

Min/Max

L

Unit

Supply Voltage

Data Retention Voltage

Input High Voltage

Input Low Voltage

Output High Voltage

Output Low Voltage

Input Leakage Current

Output Leakage Current

Operating Supply

Current (Note 1)

Max Standby Current

(Note 2)

Typical Standby Current

(Note 2)

VCC

VDR

VIH

VIL

VOH

VOL

ILI

ILO

ICC2

ISB

ISB

CE = VCC

IOH = 200 µA

IOL = –200 µA

VIN = 0 to VCC

OE = VCC or

CE = VCC

VIN = VCC or 0V

CE = VSS

VIN = VCC or 0V

tA = 55oC

VIN = VCC or 0V

tA = 25 oC

Min

1.5

Max

3.6

V

Min

1.2

V

Min

0.7VCC

V

Max

VCC+0.3

Min

–0.3

Max

0.3VCC

V

Min

VCC–0.2

V

Max

0.2

V

Max

0.5

µA

Max

0.5

µA

Typ

0.4 * f * V

mA

Max

0.5 * f * V

Max

1.0

µA

Typ

0.05

µA

*Notes

Note 1. Operating current is a linear function of operating frequency and voltage. You may calculate operating current

using the formula shown with operating frequency (f) expressed in Mhz and operating voltage (V) in volts. Example:

The L device operating at 2 Mhz at 2.0 volts will draw a typical current of 0.4*2*2 = 1.6 mA.

Note 2. This device assumes a standby mode if CE is disabled (high). It will also automatically go into a standby

mode whenever all input signals are quiescent (not toggling) regardless of the state of CE. In order to achieve low

standby current in the enabled mode (CE low), all inputs must be within 0.2 volts of either VCC or VSS.

Stock No. 23003-03 4/99

3

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