參數(shù)資料
型號: STK22C48N25I
廠商: Electronic Theatre Controls, Inc.
英文描述: 2K x 8 AutoStore⑩ nvSRAM QuantumTrap⑩ CMOS Nonvolatile Static RAM
中文描述: 2K × 8自動(dòng)存儲非易失QuantumTrap⑩⑩的CMOS非易失性靜態(tài)隨機(jī)存儲器
文件頁數(shù): 6/11頁
文件大?。?/td> 194K
代理商: STK22C48N25I
STK22C48
December 2002
6
Document Control # ML0004 rev 0.0
AutoStore
/ POWER-UP
RECALL
(V
CC
= 5.0V
±
10%)
e
Note r:
Note s:
t
starts from the time V
rises above V
.
HSB is asserted low for 1
μ
s
when V
drops through V
SWITCH
. If an SRAM write has not taken place since the last nonvolatile cycle, HSB will
be released and no
STORE
will take place.
AutoStore
/ POWER-UP
RECALL
NO.
SYMBOLS
PARAMETER
STK22C48
UNITS
NOTES
Standard
Alternate
MIN
MAX
27
t
RESTORE
Power-up
RECALL
Duration
550
μ
s
r
28
t
STORE
t
HLHZ
STORE
Cycle Duration
10
ms
p, s
29
t
VSBL
Low Voltage Trigger (V
SWITCH
) to HSB Low
300
ns
l
30
t
DELAY
t
BLQZ
Time Allowed to Complete SRAM Cycle
1
μ
s
o
31
V
SWITCH
Low Voltage Trigger Level
4.0
4.5
V
32
V
RESET
Low Voltage Reset Level
3.6
V
30
t
DELAY
29
t
VSBL
POWER-UP
RECALL
BROWN OUT
NO
STORE
(NO SRAM WRITES)
NO
RECALL
(V
CC
DID NOT GO
BELOW V
RESET
)
BROWN OUT
AutoStore
NO
RECALL
(V
CC
DID NOT GO
BELOW V
RESET
)
BROWN OUT
AutoStore
RECALL
WHEN
V
CC
RETURNS
ABOVE V
SWITCH
AutoStore
TM
HSB
W
DQ (DATA OUT)
28
t
STORE
27
t
RESTORE
POWER-UP
RECALL
31
V
SWITCH
32
V
RESET
V
CC
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
STK22C48-N25I 制造商:未知廠家 制造商全稱:未知廠家 功能描述:NVRAM (EEPROM Based)
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STK22C48N35 制造商:未知廠家 制造商全稱:未知廠家 功能描述:2K x 8 AutoStore⑩ nvSRAM QuantumTrap⑩ CMOS Nonvolatile Static RAM
STK22C48-N35 制造商:未知廠家 制造商全稱:未知廠家 功能描述:NVRAM (EEPROM Based)