参数资料
型号: S29JL032J70TFI213
厂商: SPANSION LLC
元件分类: PROM
英文描述: 2M X 16 FLASH 3V PROM, 70 ns, PDSO48
封装: LEAD FREE, MO-142(D)DD, TSOP-48
文件页数: 35/63页
文件大小: 1618K
代理商: S29JL032J70TFI213
40
S29JL032J
S29JL032J_00_05 August 24, 2011
Data
She e t
Figure 11.1 Data# Polling Algorithm
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.
11.2
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 VCC.
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 one
of the banks is in the erase-suspend-read mode.
Table 11.1 on page 43 shows the outputs for RY/BY#.
When DQ5 is set to “1”, RY/BY# will be in the BUSY state, or “0”.
11.3
DQ6: Toggle Bit I
Toggle Bit I on DQ6 indicates whether an Embedded Program or Erase algorithm is in progress or complete,
or whether the device has entered the Erase Suspend mode. Toggle Bit I may be read at any address, and is
valid after the rising edge of the final WE# pulse in the command sequence (prior to the program or erase
operation), and during the sector erase time-out.
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