128Mb 3V Embedded Parallel NOR Flash
Accelerated Program, Data Polling/Toggle AC Characteristics
Figure 27: Data Polling AC Timing
tCH
tE
tHZ/tDF
CE#
tOE
OE#
tOEH
WE#
tWHWH1/tWHWH2
DQ7
Valid data
High-Z
High-Z
Data
Data
DQ7#
DQ7
DQ[6:0]
Output flag
DQ[6:0]
Valid data
DQ[6:0]
tBUSY
RY/BY#
1. DQ7 returns a valid data bit when the PROGRAM or ERASE command has completed.
Notes:
2. See the following tables for timing details: Read AC Characteristics, Accelerated Pro-
gram and Data Polling/Data Toggle AC Characteristics.
Figure 28: Toggle/Alternative Toggle Bit Polling AC Timing (8-Bit Mode)
A[22:0]/A-1
t
t
AHT
ASO
CE#
t
t
t
OEH
AHT
AS
WE#
t
t
t
OEH
EPH
OEH
OE#
t
t
t
DH
OE
E
Stop
toggling
Output
valid
DQ6/DQ2
RY/BY#
Data
Toggle
Toggle
Toggle
t
BUSY
1. DQ6 stops toggling when the PROGRAM or ERASE command has completed. DQ2 stops
toggling when the CHIP ERASE or BLOCK ERASE command has completed.
Notes:
2. See the following tables for timing details: Read AC Characteristics, Accelerated Pro-
gram and Data Polling/Data Toggle AC Characteristics.
PDF: 09005aef84daa141
m29w_128mb.pdf - Rev. A 7/13 EN
Micron Technology, Inc. reserves the right to change products or specifications without notice.
71
© 2012 Micron Technology, Inc. All rights reserved.
MICRON [ MICRON TECHNOLOGY ]
