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参数资料
| 型号： | LE25U20AMB-AH |
| 厂商： | ON Semiconductor |
| 文件页数： | 14/21页 |
| 文件大小： | 0K |
| 描述： | IC MEM 2MBIT SERIAL FLASH 8SOP |
| 标准包装： | 2,000 |
| 格式 - 存储器： | 闪存 |
| 存储器类型： | FLASH |
| 存储容量： | 2M (256K x 8) |
| 速度： | 30MHz |
| 接口： | SPI 串行 |
| 电源电压： | 2.3 V ~ 3.6 V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOP |
| 包装： | 带卷 (TR) |
LE25U20AMB
11. Hold Function
Using the HOLD pin, the hold function suspends serial communication (it places it in the hold status). "Figure 17
HOLD" shows the timing waveforms. The device is placed in the hold status at the falling HOLD edge while the logic
level o f SCK is low, and it exits from the hold status at the rising HOLD edge. When the logic level of SCK is high,
HOLD must not rise or fall. The hold function takes effect when the logic level of CS is low, the hold status is exited
and serial communication is reset at the rising CS edge. In the hold status, the SO output is in the high-impedance state,
and SI and SCK are "don't care".
Figure 17 HOLD
CS
Active
tHS
HOLD
tHS
Active
SCK
HOLD
SO
tHH
tHHZ
tHH
High Impedance
tHLZ
12. Power-on
In order to protect against unintentional writing, CS must be kept at VCC At power-on. After power-on, the supply
voltage has stabilized at 2.30V or higher, wait for 100 μ s (tPU_READ) before inputting the command to start a read
operation. Similarly, wait for 10ms (tPU_WRITE) after the voltage has stabilized before inputting the command to start
a write operation.
Figure 18 Power-on Timing
Program, Erase and Write Command not Allowed
VDD
Chip selection not Allowed
Read Access Allowed
Full Access Allowed
VDD(Max)
VDD(Min)
tPU_READ
tPU_WRITE
0V
No.A2097-14/21
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相关代理商/技术参数 |
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| LE25U20AMBM02-AH | 功能描述:闪存 RoHS:否 制造商:ON Semiconductor 数据总线宽度:1 bit 存储类型:Flash 存储容量:2 MB 结构:256 K x 8 定时类型: 接口类型:SPI 访问时间: 电源电压-最大:3.6 V 电源电压-最小:2.3 V 最大工作电流:15 mA 工作温度:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体: 封装:Reel |
| LE25U40CFQ-AH | 制造商:ON Semiconductor 功能描述:REEL / S-FLASH MEMORY(4M) |
| LE25U40CMC | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:4M-bit (512K??8) Serial Flash Memory |
| LE25U40CMC-AH | 功能描述:闪存 S-FLASH MEMORY(4M) RoHS:否 制造商:ON Semiconductor 数据总线宽度:1 bit 存储类型:Flash 存储容量:2 MB 结构:256 K x 8 定时类型: 接口类型:SPI 访问时间: 电源电压-最大:3.6 V 电源电压-最小:2.3 V 最大工作电流:15 mA 工作温度:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体: 封装:Reel |
| LE25U40CMCQ00-AH | 制造商:ON Semiconductor 功能描述:Flash S-FLASH MEMORY(4M) |
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