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參數(shù)資料
| 型號(hào)： | STK22C48-P20 |
| 英文描述： | DIODE TVS 13V 400W UNI 5% SMA |
| 中文描述： | NVRAM中（EEPROM的基礎(chǔ)） |
| 文件頁數(shù)： | 6/10頁 |
| 文件大?。?/td> | 110K |
| 代理商： | STK22C48-P20 |
STK22C48
July 1999
3-26
AutoStore
/ POWER-UP
RECALL
(V
CC
= 5.0V
±
10%)
b,
f
Note s:
Note t:
t
RESTORE
starts from the time V
CC
rises above V
SWITCH
.
HSB is asserted low for 1
μ
s
when V
CAP
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
s
28
t
STORE
t
HLHZ
STORE
Cycle Duration
10
ms
p, q, t
29
t
VSBL
Low Voltage Trigger (V
SWITCH
) to HSB Low
300
ns
m
30
t
DELAY
t
BLQZ
Time Allowed to Complete SRAM Cycle
1
μ
s
p
31
V
SWITCH
Low Voltage Trigger Level
4.0
4.5
V
32
V
RESET
Low Voltage Reset Level
3.9
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
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| STK22C48-P25 | DIODE TVS 14V 400W BIDIR 5% SMA |
| STK22C48-P25I | DIODE TVS 150V 400W BIDIR 5% SMA |
| STK22C48-P35 | DIODE TVS 15V 400W BIDIR 5% SMA |
| STK22C48-P35I | DIODE TVS 160V 400W BIDIR 5% SMA |
| STK22C48-P45 | DIODE TVS 170V 400W UNI 5% SMA |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| STK22C48P25 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:2K x 8 AutoStore? nvSRAM QuantumTrap? CMOS Nonvolatile Static RAM |
| STK22C48-P25 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:NVRAM (EEPROM Based) |
| STK22C48P25I | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:2K x 8 AutoStore? nvSRAM QuantumTrap? CMOS Nonvolatile Static RAM |
| STK22C48-P25I | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:NVRAM (EEPROM Based) |
| STK22C48P35 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:2K x 8 AutoStore? nvSRAM QuantumTrap? CMOS Nonvolatile Static RAM |
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