參數(shù)資料
型號: S71GL256NB0
廠商: Spansion Inc.
英文描述: Stacked Multi-chip Product (MCP)
中文描述: 堆疊式多芯片產(chǎn)品(MCP)
文件頁數(shù): 71/147頁
文件大小: 1655K
代理商: S71GL256NB0
June 14, 2004 S29GLxxxN_00_A4
S29GLxxxN MirrorBit
TM
Flash Family
71
A d v a n c e I n f o r m a t i o n
Figure 5. Data# Polling Algorithm
RY/BY#: Ready/Busy#
The RY/BY# is a dedicated, open-drain output pin which 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 V
CC
.
If the output is low (Busy), the device is actively erasing or programming. (This
includes programming in the Erase Suspend mode.) If the output is high (Ready),
the device is in the read mode, the standby mode, or in the erase-suspend-read
mode. Table
12
shows the outputs for RY/BY#.
DQ7 = Data
Yes
No
No
DQ5 = 1
No
Yes
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 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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