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參數(shù)資料
| 型號： | IS62LV5128L-10BI |
| 英文描述： | x8 SRAM |
| 中文描述： | x8的SRAM |
| 文件頁數(shù)： | 8/10頁 |
| 文件大小： | 91K |
| 代理商： | IS62LV5128L-10BI |
IS62LV25616LL
ISSI
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Integrated Silicon Solution, Inc. — 1-800-379-4774
7
Rev. A
05/04/01
WRITE CYCLE SWITCHING CHARACTERISTICS(1,2) (Over Operating Range)
-70
-85
Symbol
Parameter
Min.
Max.
Min.
Max.
Unit
tWC
Write Cycle Time
70
—
85
—
ns
tSCE
CE to Write End
65
—
70
—
ns
tAW
Address Setup Time to Write End
65
—
70
—
ns
tHA
Address Hold from Write End
0
—
0
—
ns
tSA
Address Setup Time
0
—
0
—
ns
tPWB
LB, UB Valid to End of Write
60
—
70
—
ns
tPWE
WE Pulse Width
55
—
60
—
ns
tSD
Data Setup to Write End
30
—
35
—
ns
tHD
Data Hold from Write End
0
—
0
—
ns
tHZWE(3)
WE LOW to High-Z Output
—
30
—
30
ns
tLZWE(3)
WE HIGH to Low-Z Output
5
—
5
—
ns
Notes:
1. Test conditions assume signal transition times of 5 ns or less, timing reference levels of 1.5V, input pulse levels of 0.4V to 2.2V and
output loading specified in Figure 1.
2. The internal write time is defined by the overlap of
CE LOW and UB or LB, and WE LOW. All signals must be in valid states to initiate a Write, but
any one can go inactive to terminate the Write. The Data Input Setup and Hold timing are referenced to the rising or falling edge of the signal that terminates the write.
3. Tested with the load in Figure 2. Transition is measured ±500 mV from steady-state voltage. Not 100% tested.
Notes:
1. WRITE is an internally generated signal asserted during an overlap of the LOW states on the
CE and WE inputs and at least one of
the
LB and UB inputs being in the LOW state.
2. WRITE = (
CE) [ (LB) = (UB) ] (WE).
AC WAVEFORMS
WRITE CYCLE NO. 1(1,2) (CE Controlled, OE = HIGH or LOW)
DATA UNDEFINED
t WC
VALID ADDRESS
t SCS
t PWE1
t PWE2
t AW
t HA
HIGH-Z
t PBW
t HD
t SA
t HZWE
ADDRESS
CE
UB, LB
WE
DOUT
DIN
DATAIN VALID
t LZWE
t SD
UB_CSWR1.eps
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| IS62LV5128L-70B | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 SRAM |
| IS62LV5128L-70BI | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 SRAM |
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| IS62LV5128LL | 制造商:ISSI 制造商全稱:Integrated Silicon Solution, Inc 功能描述:512K x 8 LOW POWER and LOW Vcc CMOS STATIC RAM |
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