256Mb: 3V Embedded Parallel NOR Flash
Description
Signals
Table 2: Signal names
Name
A[23:0]
DQ[15:0]
CE#
Description
Address inputs
Data inputs/outputs
Chip enable
Direction
Inputs
I/O
Input
OE#
Output enable
Write enable
Reset
Input
WE#
Input
RST#
Input
RY/BY#
VCCQ
Ready/busy output
Output
Input/output buffer supply voltage
Supply voltage
Supply
VCC
Supply
VPP/WP#
VSS
VPP/write protect
Ground
Supply/Input
–
–
NC
Not connected
1
1. VPP/WP# may be left floating as it is internally connected to a pull-up resistor which
enables program/erase operations.
Note:
Figure 1: Logic diagram
VCC
VCCQ
VPP/WP#
A[23:0]
DQ[15:0]
WE#
CE#
OE#
RST#
NC
RY/BY#
VSS
PDF: 09005aef84ecabef
m29dw_256g.pdf - Rev. A 10/12 EN
Micron Technology, Inc. reserves the right to change products or specifications without notice.
8
© 2012 Micron Technology, Inc. All rights reserved.
MICRON [ MICRON TECHNOLOGY ]
