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参数资料
| 型号： | CY7C0251-25AC |
| 英文描述： | SRAM|8KX18|CMOS|QFP|100PIN|PLASTIC |
| 中文描述： | 静态存储器| 8KX18 |的CMOS | QFP封装| 100引脚|塑料 |
| 文件页数： | 6/20页 |
| 文件大小： | 301K |
| 代理商： | CY7C0251-25AC |
CY7C138AV/144AV/006AV
CY7C139AV/145AV/016AV
CY7C007AV/017AV
Document #: 38-06051 Rev. *A
Page 14 of 20
Notes:
43. tHA depends on which enable pin (CEL or R/WL) is deasserted first.
44. tINS or tINR depends on which enable pin (CEL or R/WL) is asserted last.
Switching Waveforms (continued)
Interrupt Timing Diagrams
WRITE FFF (See Functional Description)
tWC
Right Side Clears INT
R
:
tHA
READ FFF
tRC
tINR
WRITE FFE (See Functional Description)
tWC
Right Side Sets INTL:
Left Side Sets INT
R
:
Left Side Clears INT
L
:
READ FFE
tINR
tRC
ADDRESSR
CE L
R/W L
INT L
OE L
ADDRESSR
R/WR
CE R
INTL
ADDRESSR
CER
R/WR
INTR
OE R
ADDRESSL
R/W L
CE L
INTR
tINS
tHA
tINS
(See Functional Description)
[43]
[44]
[43]
[44]
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CY7C0251-25AI | 制造商:CYPRESS 制造商全称:Cypress Semiconductor 功能描述:4K x 16/18 and 8K x 16/18 Dual-Port Static RAM with SEM, INT, BUSY |
| CY7C0251-25AXC | 功能描述:IC SRAM 144KBIT 25NS 100LQFP RoHS:是 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:RAM 存储器类型:移动 SDRAM 存储容量:256M（8Mx32） 速度:133MHz 接口:并联 电源电压:1.7 V ~ 1.95 V 工作温度:-40°C ~ 85°C 封装/外壳:90-VFBGA 供应商设备封装:90-VFBGA（8x13） 包装:带卷 (TR) 其它名称:557-1327-2 |
| CY7C0251-25AXI | 制造商:CYPRESS 制造商全称:Cypress Semiconductor 功能描述:4K x 16/18 and 8K x 16/18 Dual-Port Static RAM with SEM, INT, BUSY |
| CY7C0251-35AC | 制造商:CYPRESS 制造商全称:Cypress Semiconductor 功能描述:4K x 16/18 and 8K x 16/18 Dual-Port Static RAM with SEM, INT, BUSY |
| CY7C0251-35AI | 制造商:CYPRESS 制造商全称:Cypress Semiconductor 功能描述:4K x 16/18 and 8K x 16/18 Dual-Port Static RAM with SEM, INT, BUSY |
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