T35L6464A 查看數據表（PDF） - Taiwan Memory Technology
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T35L6464A Datasheet PDF : 16 Pages
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T35L6464A
SNOOZE MODE
SNOOZE MODE is a low current, “power
down” mode in which the device is deselected and
the 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 63) is an asynchronous ,
active HIGH input that causes the device to enter
SNOOZE MODE. When the ZZ pin becomes a
logic HIGH, IZ Z 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 SYMBOL
ZZ ≥ VIH
IZZ
MIN
tZZ
2(tKC)
tRZZ
MAX
10
2(tKC)
UNITS NOTES
mA
ns
3
ns
3
SNOOZE MODE WAVEFORM
CLK
CE
ZZ
I S UPP LY
t ZZ
I ZZ
tRZ Z
I S U PP L Y
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).
3. This parameter is sampled.
Taiwan Memory Technology, Inc. reserves the right P. 11
to change products or specifications without notice.
Publication Date: AUG. 1998
Revision: E
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