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參數(shù)資料
| 型號： | CY7C199L-20PC |
| 廠商： | CYPRESS SEMICONDUCTOR CORP |
| 元件分類： | DRAM |
| 英文描述： | 32K x 8 Static RAM |
| 中文描述： | 32K X 8 STANDARD SRAM, 20 ns, PDIP28 |
| 封裝： | 0.300 INCH, PLASTIC, DIP-28 |
| 文件頁數(shù)： | 5/13頁 |
| 文件大?。?/td> | 317K |
| 代理商： | CY7C199L-20PC |
CY7C199
Document #: 38-05160 Rev. *A
Page 5 of 13
t
PD
Write Cycle
[10,11]
t
WC
t
SCE
t
AW
t
HA
t
SA
t
PWE
t
SD
t
HD
t
HZWE
t
LZWE
CE HIGH to Power-down
20
20
20
25
ns
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 LOW to High-Z
[9]
WE HIGH to Low-Z
[8]
20
15
15
0
0
15
10
0
25
18
20
0
0
18
10
0
35
22
30
0
0
22
15
0
45
22
40
0
0
22
15
0
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
10
11
15
15
3
3
3
3
Switching Characteristics
Over the Operating Range (-20, -25, -35, -45)
[3, 7]
Parameter
Description
7C199-20
Min.
7C199-25
Min.
7C199-35
Min.
7C199-45
Min.
Unit
Max.
Max.
Max.
Max.
Switching Waveforms
Read Cycle No. 1
[12, 13]
Read Cycle No. 2
[13, 14]
Notes:
12. Device is continuously selected. OE, CE = V
IL
.
13. WE is HIGH for read cycle.
14. Address valid prior to or coincident with CE transition LOW.
ADDRESS
DATA OUT
PREVIOUS DATA VALID
DATA VALID
t
RC
t
AA
t
OHA
50%
50%
DATA VALID
t
RC
t
ACE
t
DOE
t
LZOE
t
LZCE
t
PU
DATA OUT
HIGH IMPEDANCE
IMPEDANCE
ICC
ISB
t
HZOE
t
HZCE
t
PD
OE
CE
HIGH
V
SUPPLY
CURRENT
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| CY7C199L-20VC | 32K x 8 Static RAM |
| CY7C199L-20ZC | 32K x 8 Static RAM |
| CY7C199-20DMB | 32K x 8 Static RAM |
| CY7C199-25LMB | 32K x 8 Static RAM |
| CY7C199-10VC | RSS Series - Econoline Unregulated DC-DC Converters; Input Voltage (Vdc): 05V; Output Voltage (Vdc): 24V; Power: 1W; 1kVDC and 3kVDC Isolation Options; Approved for Medical Applications; Suitable for Automated Assembly; 8, 10 and 12 pin Pinning Style Options; Optional Continuous Short Circuit Protected; Efficiency to 85% |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CY7C199L-20ZC | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Cypress Semiconductor 功能描述: |
| CY7C199N-12ZXC | 制造商:Rochester Electronics LLC 功能描述: 制造商:Cypress Semiconductor 功能描述: |
| CY7C199N-15ZXC | 制造商:Rochester Electronics LLC 功能描述: 制造商:Cypress Semiconductor 功能描述: |
| CY7C199N-20PXC | 制造商:Rochester Electronics LLC 功能描述: 制造商:Cypress Semiconductor 功能描述: |
| CY7C199N-25PXC | 制造商:Cypress Semiconductor 功能描述: |
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