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參數(shù)資料
| 型號(hào)： | CYM1851PM-20C |
| 廠商： | CYPRESS SEMICONDUCTOR CORP |
| 元件分類(lèi)： | DRAM |
| 英文描述： | 1,024K x 32 Static RAM Module |
| 中文描述： | 1M X 32 MULTI DEVICE SRAM MODULE, 20 ns, PSMA72 |
| 封裝： | PLASTIC, SIMM-72 |
| 文件頁(yè)數(shù)： | 4/9頁(yè) |
| 文件大?。?/td> | 357K |
| 代理商： | CYM1851PM-20C |
CYM1851
Document #: 38-05274 Rev. **
Page 4 of 9
Switching Characteristics
Over the Operating Range
[3]
(continued)
1851-20
Min.
1851-25
Min.
1851-35
Min.
Parameter
READ CYCLE
t
RC
t
AA
t
OHA
t
ACS
t
DOE
t
LZOE
t
HZOE
t
LZCS
t
HZCS
t
PD
WRITE CYCLE
[6]
t
WC
t
SCS
t
AW
t
HA
t
SA
t
PWE
t
SD
t
HD
t
LZWE
t
HZWE
Description
Max.
Max.
Max.
Unit
Read Cycle Time
Address to Data Valid
Data Hold from Address Change
CS LOW to Data Valid
OE LOW to Data Valid
OE LOW to Low Z
OE HIGH to High Z
CS LOW to Low Z
[4]
CS HIGH to High Z
[4, 5]
CS HIGH to Power-Down
20
25
35
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
20
25
35
3
3
3
20
12
25
15
35
18
0
0
0
10
12
15
3
3
3
10
20
12
25
15
35
Write Cycle Time
CS LOW to Write End
Address Set-Up to Write End
Address Hold from Write End
Address Set-Up to Write Start
WE Pulse Width
Data Set-Up to Write End
Data Hold from Write End
WE HIGH to Low Z
WE LOW to High Z
[5]
20
17
17
3
2
15
12
2
3
0
25
20
20
3
2
20
15
2
3
0
35
30
30
3
2
30
20
2
3
0
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
12
12
15
Switching Waveforms
Notes:
7.
8.
WE is HIGH for read cycle.
Device is continuously selected, CS = V
IL
, and OE= V
IL
.
Read Cycle No. 1
PREVIOUS DATA VALID
DATA VALID
t
RC
t
AA
t
OHA
ADDRESS
DATA OUT
[7,8]
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| CYM1851PM-25C | 1,024K x 32 Static RAM Module |
| CYM1851PM-35C | 1,024K x 32 Static RAM Module |
| CYM1851P6-12C | 1,024K x 32 Static RAM Module |
| CYM1851P6-15C | 1,024K x 32 Static RAM Module |
| CYM1851P6-20C | 1,024K x 32 Static RAM Module |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CYM1851PM-25C | 制造商:CYPRESS 制造商全稱(chēng):Cypress Semiconductor 功能描述:1,024K x 32 Static RAM Module |
| CYM1851PM-35C | 制造商:CYPRESS 制造商全稱(chēng):Cypress Semiconductor 功能描述:1,024K x 32 Static RAM Module |
| CYM1851PN-12C | 制造商:CYPRESS 制造商全稱(chēng):Cypress Semiconductor 功能描述:1,024K x 32 Static RAM Module |
| CYM1851PN-15C | 制造商:CYPRESS 制造商全稱(chēng):Cypress Semiconductor 功能描述:1,024K x 32 Static RAM Module |
| CYM1851PN-20C | 制造商:CYPRESS 制造商全稱(chēng):Cypress Semiconductor 功能描述:1,024K x 32 Static RAM Module |
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