T35L6432B 查看數據表（PDF） - Taiwan Memory Technology

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T35L6432B

64K x 32 SRAM

Taiwan Memory Technology 

tm TE

CH

T35L6432B

SNOOZE MODE

SNOOZE MODE is a low current, “power

down” mode in which the device is deselected and

current is reduced to IZZ. 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, IZZ 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

IZZ

tZZ

2(tKC)

tRZZ

MAX

5

2(tKC)

UNITS

mA

ns

ns

NOTES

4

4

SNOOZE MODE WAVEFORM

CLK

CE

ZZ

ISU PPL Y

tZZ

IZZ

tRZZ

ISU PPL Y

:D o n 't c are

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.11

to change products or specifications without notice.

Publication Date: JUL. 2002

Revision: A

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