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參數(shù)資料
| 型號： | CY7C1041B-20VC |
| 廠商： | CYPRESS SEMICONDUCTOR CORP |
| 元件分類： | DRAM |
| 英文描述： | 256K x 16 Static RAM |
| 中文描述： | 256K X 16 STANDARD SRAM, 20 ns, PDSO44 |
| 封裝： | 0.400 INCH, PLASTIC, SOJ-44 |
| 文件頁數(shù)： | 5/10頁 |
| 文件大?。?/td> | 360K |
| 代理商： | CY7C1041B-20VC |
CY7C1041B
5
Switching Characteristics
[4]
Over the Operating Range (continued)
Parameter
READ CYCLE
t
power
t
RC
t
AA
t
OHA
t
ACE
t
DOE
t
LZOE
t
HZOE
t
LZCE
t
HZCE
t
PU
t
PD
t
DBE
t
LZBE
t
HZBE
WRITE CYCLE
[8, 9]
t
WC
t
SCE
t
AW
t
HA
t
SA
t
PWE
t
SD
t
HD
t
LZWE
t
HZWE
t
BW
Description
7C1041B-20
Min.
7C1041B-25
Min.
Unit
Max.
Max.
V
CC
(typical) to the First Access
[5]
Read Cycle Time
Address to Data Valid
Data Hold from Address Change
CE LOW to Data Valid
OE LOW to Data Valid
OE LOW to Low Z
OE HIGH to High Z
[6, 7]
CE LOW to Low Z
[7]
CE HIGH to High Z
[6, 7]
CE LOW to Power-Up
CE HIGH to Power-Down
Byte Enable to Data Valid
Byte Enable to Low Z
Byte Disable to High Z
1
1
1
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
20
25
20
25
3
5
20
8
25
10
0
0
8
10
3
5
8
10
0
0
20
8
25
10
0
0
8
10
Write Cycle Time
CE 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
[7]
WE LOW to High Z
[6, 7]
Byte Enable to End of Write
20
13
13
0
0
13
9
0
3
25
15
15
0
0
15
10
0
5
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
8
10
13
15
Data Retention Characteristics
Over the Operating Range
(L version only)
Parameter
Description
Conditions
[11]
Min.
Max.
Unit
V
DR
V
CC
for Data Retention
2.0
V
I
CCDR
t
CDR[3]
t
R[10]
Data Retention Current
Com’l
L
V
CC
= V
DR
= 3.0V,
CE > V
CC
– 0.3V,
V
IN
> V
CC
– 0.3V or V
IN
< 0.3V
200
μ
A
Chip Deselect to Data Retention Time
0
ns
Operation Recovery Time
t
RC
ns
Notes:
10. t
< 3 ns for the -12 and -15 speeds. t
r
< 5 ns for the -20 and slower speeds.
11. No input may exceed V
CC
+ 0.5V.
相關PDF資料 |
PDF描述 |
|---|---|
| CY7C1041B-20VI | 256K x 16 Static RAM |
| CY7C1041B-20ZC | 256K x 16 Static RAM |
| CY7C1041B-20ZI | 256K x 16 Static RAM |
| CY7C1041B-25VC | 256K x 16 Static RAM |
| CY7C1041B-25VI | 256K x 16 Static RAM |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| CY7C1041B-20ZXC | 制造商:Rochester Electronics LLC 功能描述: 制造商:Cypress Semiconductor 功能描述: |
| CY7C1041B-20ZXCT | 制造商:Rochester Electronics LLC 功能描述: 制造商:Cypress Semiconductor 功能描述: |
| CY7C1041B-20ZXI | 制造商:Cypress Semiconductor 功能描述:ASYNC SRAM 4M SMD 7C1041 TSOP44 |
| CY7C1041BL-15ZC | 制造商:Rochester Electronics LLC 功能描述:4MB (256K X 16)- FAST ASYNCH SRAM - Bulk |
| CY7C1041BL15ZXC | 制造商:Cypress Semiconductor 功能描述: |
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