参数资料
型号: W19B320ATT7H
厂商: Winbond Electronics
文件页数: 34/53页
文件大小: 0K
描述: IC FLASH 32MBIT 70NS 48TSOP
标准包装: 96
格式 - 存储器: 闪存
存储器类型: FLASH
存储容量: 32M(4M x 8,2M x 16)
速度: 70ns
接口: 并联
电源电压: 2.7 V ~ 3.6 V
工作温度: -20°C ~ 85°C
封装/外壳: 48-TFSOP(0.724",18.40mm 宽)
供应商设备封装: 48-TSOP
包装: 托盘
W19B320AT/B
7.10 Erase Algorithm
START
Write Program
Command Sequence
(Note1,2)
No
Data Poll to Erasing
Bank from System
Embedded
Erase
algorithm
in progress
Data=FFh?
Yes
Erase Completed
Notes:
1. See Command Definitions Table for erase command sequence details.
2. See DQ3 section for the sector erase timer details.
7.11 Data Polling Algorithm
START
Read DQ7-DQ0
Addr=VA
Yes
DQ7=Data?
No
No
DQ5=1?
Yes
Read DQ7-DQ0
Addr=VA
DQ7=Data?
No
FAIL
Yes
PASS
Notes:
1. VA = Valid address for programming. During a sector erase operation; a valid address is any sector address within the
sector being erased. During chip erase, a valid address is any non-protected sector address.
2. DQ7 should be rechecked even if DQ5 = “1” because DQ7 may change simultaneously with DQ5.
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W19B320B 制造商:WINBOND 制造商全称:Winbond 功能描述:32Mbit, 2.7~3.6-volt single bank CMOS flash memory
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