参数资料
型号: S29AL032D70BAE002
厂商: Spansion Inc.
英文描述: 32 Megabit CMOS 3.0 Volt-only Flash Memory
中文描述: 32兆位的CMOS 3.0伏只闪存
文件页数: 37/69页
文件大小: 1970K
代理商: S29AL032D70BAE002
40
S29AL032D
S29AL032D_00_A3 June 13, 2005
Advan ce
In form ati o n
Figure 18, on page 44 shows the outputs for Data# Polling on DQ7. Figure 7, on page 43 shows
the Data# Polling algorithm.
Figure 6. Data# Polling Algorithm
RY/BY#: Ready/Busy#
The RY/BY# is a dedicated, open-drain output pin that indicates whether an Embedded Algorithm
is in progress or complete. The RY/BY# status is valid after the rising edge of the final WE# pulse
in the command sequence. Since RY/BY# is an open-drain output, several RY/BY# pins can be
tied together in parallel with a pull-up resistor to VCC.
DQ7 = Data?
Yes
No
DQ5 = 1?
No
Yes
FAIL
PASS
Read DQ7–DQ0
Addr = VA
Read DQ7–DQ0
Addr = VA
DQ7 = Data?
START
Notes:
1. VA = Valid address for programming. During a sector
erase operation, a valid address is an address within
any sector selected for erasure. 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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