T35L6432A Ver la hoja de datos (PDF) - Taiwan Memory Technology

Número de pieza

componentes Descripción

Fabricante

T35L6432A

64K x 32 SRAM

Taiwan Memory Technology 

tm TE

CH

T35L6432A

SNOOZE MODE

SNOOZE MODE is a low current, “power

down” mode in which the device is deselected and

current is reduced to ISB2. The duration of

SNOOZE MODE is dictated by the length of time

the ZZ pin is in a HIGH state. After entering

SNOOZE MODE, the clock and all other inputs are

ignored. The ZZ pin (pin 64) is an asynchronous,

active HIGH input that causes the device to enter

SNOOZE MODE. When the ZZ pin becomes a

logic HIGH, ISB2 is guaranteed after the setup time

tZZ is met. Any access pending when entering

SNOOZE MODE is not guaranteed to successfully

complete. Therefore, SNOOZE MODE must not

be initiated until valid pending operations are

completed.

SNOOZE MODE ELECTRICAL CHARACTERISTICS

DESCRIPTION

Current during

SNOOZE MODE

ZZ HIGH to

SNOOZE MODE time

SNOOZE MODE

Operation Recovery Time

CONDITIONS

ZZ ≥ VIH

SYMBOL MIN

ISB2

tZZ

2(tKC)

tRZZ

MAX

5

2(tKC)

UNITS

mA

ns

ns

NOTES

4

4

SNOOZE MODE WAVEFORM

CLK

CE

ZZ

IS UPP LY

tZZ

I ZZ

tRZ Z

I SUPPLY

DON'T CARE

Note: 1. The CE signal shown above refers to a TRUE state on all chip selects for the device.

2. All other inputs held to static CMOS levels (VIN ≤ Vss + 0.2 V or ≥ Vcc -0.2 V).

Taiwan Memory Technology, Inc. reserves the right P. 10

to change products or specifications without notice.

Publication Date: DEC. 1998

Revision:A

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