- 您现在的位置：买卖IC网 > PDF目录295370 > CY7C187A-25KMB x1 SRAM PDF资料下载
参数资料
| 型号： | CY7C187A-25KMB |
| 英文描述： | x1 SRAM |
| 中文描述： | x1的SRAM |
| 文件页数： | 4/9页 |
| 文件大小： | 194K |
| 代理商： | CY7C187A-25KMB |
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
相关PDF资料 |
PDF描述 |
|---|---|
| CY7C187A-25LC | x1 SRAM |
| CY7C187A-25LMB | x1 SRAM |
| CY7C187A-25PC | x1 SRAM |
| CY7C187A-25VC | x1 SRAM |
| CY7C187A-35DC | x1 SRAM |
相关代理商/技术参数 |
参数描述 |
|---|---|
| CY7C188-15VC | 制造商:Cypress Semiconductor 功能描述: |
| CY7C188-15VCT | 制造商:Cypress Semiconductor 功能描述: |
| CY7C188-20VC | 功能描述:32KX9 300 MIL ASYNCHRONOUS RAM RoHS:否 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:1,000 系列:- 格式 - 存储器:EEPROMs - 串行 存储器类型:EEPROM 存储容量:4K (512 x 8) 速度:400kHz 接口:I²C，2 线串口 电源电压:2.7 V ~ 5.5 V 工作温度:-40°C ~ 85°C 封装/外壳:8-SOIC（0.173"，4.40mm 宽） 供应商设备封装:8-MFP 包装:带卷 (TR) |
| CY7C188-20VCT | 制造商:Rochester Electronics LLC 功能描述:256K (32K X 9)- FAST ASYNCH SRAM - Tape and Reel |
| CY7C188-25VC | 制造商:Rochester Electronics LLC 功能描述:256K (32K X 9)- FAST ASYNCH SRAM - Bulk 制造商:Cypress Semiconductor 功能描述: |
发布紧急采购，3分钟左右您将得到回复。