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參數(shù)資料
| 型號： | MT55L64L36P1 |
| 廠商： | Micron Technology, Inc. |
| 英文描述： | 64K x 36, 3.3V I/O, ZBT SRAM( 2Mb,3.3V輸入/輸出，靜態(tài)RAM) |
| 中文描述： | 64K的× 36，3.3V的I / O的ZBT SRAM的（處理器，3.3V的輸入/輸出，靜態(tài)內(nèi)存） |
| 文件頁數(shù)： | 18/23頁 |
| 文件大小： | 404K |
| 代理商： | MT55L64L36P1 |
18
2Mb: 128K x 18, 64K x 32/36 3.3V I/O, Pipelined ZBT SRAM
MT55L128L18P1_2.p65
–
Rev. 8/00
Micron Technology, Inc., reserves the right to change products or specifications without notice.
2000, Micron Technology, Inc.
2Mb: 128K x 18, 64K x 32/36
3.3V I/O, PIPELINED ZBT SRAM
SNOOZE MODE
SNOOZE MODE is a low-current, “power-down”
mode in which the device is deselected and current is
reduced to I
SB
2
Z
. The duration of SNOOZE MODE is
dictated by the length of time the ZZ pin is in a HIGH
state. After the device enters SNOOZE MODE, all inputs
except ZZ become disabled and all outputs go to
High-Z.
The ZZ pin is an asynchronous, active HIGH input
that causes the device to enter SNOOZE MODE. When
the ZZ pin becomes a logic HIGH, I
SB
2
Z
is guaranteed
after the time
t
ZZI is met. Any READ or WRITE opera-
tion pending when the device enters SNOOZE MODE is
not guaranteed to complete successfully. Therefore,
SNOOZE MODE must not be initiated until valid pend-
ing operations are completed. Similarly, when exiting
SNOOZE MODE during
t
RZZ, only a DESELECT or
READ cycle should be given.
SNOOZE MODE ELECTRICAL CHARACTERISTICS
DESCRIPTION
Current during SNOOZE MODE
ZZ active to input ignored
ZZ inactive to input sampled
ZZ active to snooze current
ZZ inactive to exit snooze current
CONDITIONS
ZZ
V
IH
SYMBOL
I
SB
2Z
t
ZZ
t
RZZ
t
ZZI
t
RZZI
MIN
MAX
10
2(
t
KHKH)
2(
t
KHKH)
2(
t
KHKH)
UNITS
mA
ns
ns
ns
ns
NOTES
0
0
1
1
1
1
0
SNOOZE MODE WAVEFORM
tZZ
I
SUPPLY
CLK
ZZ
tRZZ
ALL INPUTS
(except ZZ)
DON
’
T CARE
IISB2Z
tZZI
tRZZI
Outputs (Q)
High-Z
DESELECT or READ Only
NOTE:
1. This parameter is sampled.
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