参数资料
型号: W25X20-VSNI
厂商: WINBOND ELECTRONICS CORP
元件分类: PROM
英文描述: 2M X 1 FLASH 2.7V PROM, PDSO8
封装: 0.150 INCH, PLASTIC, SOIC-8
文件页数: 24/42页
文件大小: 1198K
代理商: W25X20-VSNI
W25X10, W25X20, W25X40 AND W25X80
- 30 -
9.2.17 JEDEC ID (9Fh)
For compatibility reasons, the W25X10/20/40/80 provides several instructions to electronically
determine the identity of the device. The Read JEDEC ID instruction is compatible with the JEDEC
standard for SPI compatible serial memories that was adopted in 2003.
The instruction is initiated by driving the /CS pin low and shifting the instruction code “9Fh”. The
JEDEC assigned Manufacturer ID byte for Winbond (EFh) and two Device ID bytes, Memory Type
(ID15-ID8) and Capacity (ID7-ID0) are then shifted out on the falling edge of CLK with most significant
bit (MSB) first as shown in figure 19. For memory type and capacity values refer to Manufacturer and
Device Identification table.
Figure 19. Read JEDEC ID
相关PDF资料
PDF描述
WS512K32-100G4Q 2M X 8 MULTI DEVICE SRAM MODULE, 100 ns, CQFP68
WF8M32-100G4DM5 8M X 32 FLASH 5V PROM MODULE, 100 ns, CQFP68
WF8M32-120G4DI5 8M X 32 FLASH 5V PROM MODULE, 120 ns, CQFP68
WMS512K8B-15CIEA 512K X 8 STANDARD SRAM, 15 ns, CDIP32
WMS512K8B-17DEMEA 512K X 8 STANDARD SRAM, 20 ns, CDSO32
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