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參數(shù)資料
| 型號： | CY7C193-20PC |
| 英文描述： | SYNC SRAM|32KX8|CMOS|DIP|28PIN|PLASTIC |
| 中文描述： | 同步靜態(tài)存儲器| 32KX8 |的CMOS |雙酯| 28腳|塑料 |
| 文件頁數(shù)： | 4/9頁 |
| 文件大小： | 194K |
| 代理商： | CY7C193-20PC |
CY7C1019B/
CY7C10191B
Document #: 38-05026 Rev. *A
Page 4 of 9
Data Retention Characteristics Over the Operating Range (L Version Only)
Parameter
Description
Conditions
Min.
Max.
Unit
VDR
VCC for Data Retention
No input may exceed VCC + 0.5V
VCC = VDR = 2.0V,
CE > VCC – 0.3V,
VIN > VCC – 0.3V or VIN < 0.3V
2.0
V
ICCDR
Data Retention Current
300
A
tCDR
[3]
Chip Deselect to Data Retention Time
0
ns
tR
Operation Recovery Time
200
s
Data Retention Waveform
3.0V
tCDR
VDR > 2V
DATA RETENTION MODE
tR
CE
VCC
Switching Waveforms
Read Cycle No. 1[9, 10]
Read Cycle No. 2 (OE Controlled)[10, 11]
Notes:
9.
Device is continuously selected. OE, CE = VIL.
10. WE is HIGH for read cycle.
11. Address valid prior to or coincident with CE transition LOW.
PREVIOUS DATA VALID
DATA VALID
tRC
tAA
tOHA
ADDRESS
DATA OUT
50%
DATA VALID
tRC
tACE
tDOE
tLZOE
tLZCE
tPU
HIGH IMPEDANCE
tHZOE
tHZCE
tPD
HIGH
OE
CE
ICC
ISB
IMPEDANCE
ADDRESS
DATA OUT
VCC
SUPPLY
CURRENT
相關PDF資料 |
PDF描述 |
|---|---|
| CY7C193-20VC | SYNC SRAM|32KX8|CMOS|SOJ|28PIN|PLASTIC |
| CY7C194 | Memory |
| CY7C194-12DC | x4 SRAM |
| CY7C194-12LC | x4 SRAM |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| CY7C194-20VC | 制造商:Cypress Semiconductor 功能描述:SRAM Chip Async Single 5V 256K-Bit 64K x 4-Bit 20ns 24-Pin SOJ 制造商:Rochester Electronics LLC 功能描述:256K (64K X 4)- FAST ASYNCH SRAM - Bulk |
| CY7C194-20VCT | 制造商:Rochester Electronics LLC 功能描述:256K (64K X 4)- FAST ASYNCH SRAM - Bulk |
| CY7C19425PC | 制造商:CYPRESS 功能描述:New |
| CY7C194-25PC | 制造商:Cypress Semiconductor 功能描述:SRAM Chip Async Single 5V 256K-Bit 64K x 4-Bit 25ns 24-Pin PDIP |
| CY7C194-25SC | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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