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PDF ( 数据手册 , 数据表 ) N25Q128A

零件编号 N25Q128A
描述 NOR Flash Memory
制造商 Micron
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N25Q128A 数据手册, 描述, 功能
128Mb, Multiple I/O Serial Flash Memory
Features
Micron Serial NOR Flash Memory
1.8V, Multiple I/O, 4KB Sector Erase
N25Q128A
Features
• SPI-compatible serial bus interface
• 108 MHz (MAX) clock frequency
• 1.7–2.0V single supply voltage
• Dual/quad I/O instruction provides increased
throughput up to 432 MHz
• Supported protocols
– Extended SPI, dual I/O, and quad I/O
• Execute-in-place (XIP) mode for all three protocols
– Configurable via volatile or nonvolatile registers
– Enables memory to work in XIP mode directly af-
ter power-on
• PROGRAM/ERASE SUSPEND operations
• Continuous read of entire memory via a single com-
mand
– Fast read
– Quad or dual output fast read
– Quad or dual I/O fast read
• Flexible to fit application
– Configurable number of dummy cycles
– Output buffer configurable
• Software reset
• 64-byte, user-lockable, one-time programmable
(OTP) dedicated area
• Erase capability
– Subsector erase 4KB uniform granularity blocks
– Sector erase 64KB uniform granularity blocks
– Full-chip erase
• Write protection
– Software write protection applicable to every
64KB sector via volatile lock bit
– Hardware write protection: protected area size
defined by five nonvolatile bits (BP0, BP1, BP2,
BP3, and TB)
– Additional smart protections, available upon re-
quest
• Electronic signature
– JEDEC-standard 2-byte signature (BB18h)
– Unique ID code (UID): 17 read-only bytes, in-
cluding:
• Two additional extended device ID (EDID)
bytes to identify device factory options
• Customized factory data (14 bytes)
• Minimum 100,000 ERASE cycles per sector
• More than 20 years data retention
• Packages JEDEC standard, all RoHS compliant
– F7 = V-PDFN-8 6mm x 5mm Sawn (MLP8 6mm x
5mm)
– F8 = V-PDFN-8 8mm x 6mm (MLP8 8mm x 6mm)
– 12 = T-PBGA-24b05 6mm x 8mm
– SF = SOP2-16 300 mils body width (SO16W)
– SE = SOP2-8 208 mils body width (SO8W)
PDF: 09005aef845665f6
n25q_128mb_1_8v_65nm.pdf - Rev. P 05/14 EN
1 Micron Technology, Inc. reserves the right to change products or specifications without notice.
© 2012 Micron Technology, Inc. All rights reserved.
Products and specifications discussed herein are subject to change by Micron without notice.







N25Q128A pdf, 数据表
Signal Assignments
128Mb, Multiple I/O Serial Flash Memory
Signal Assignments
Figure 2: 8-Pin, VDFPN8 – MLP8 and SOP2 – SO8W (Top View)
S#
DQ1
W#/VPP/DQ2
VSS
1
2
3
4
8 VCC
7 RESET#/HOLD#/DQ3
6C
5 DQ0
Notes:
1. On the underside of the MLP8 package, there is an exposed central pad that is pulled
internally to VSS and must not be connected to any other voltage or signal line on the
PCB.
2. Reset functionality is available in devices with a dedicated part number. See Part Num-
ber Ordering Information for complete package names and details.
Figure 3: 16-Pin, Plastic Small Outline – SO16 (Top View)
HOLD#/DQ3
VCC
DNU
DNU
DNU
DNU
S#
DQ1
1
2
3
4
5
6
7
8
16 C
15 DQ0
14 DNU
13 DNU
12 DNU
11 DNU
10 VSS
9 W#/VPP/DQ2
Note: 1. Reset functionality is available in devices with a dedicated part number. See Part Num-
ber Ordering Information for complete package names and details.
PDF: 09005aef845665f6
n25q_128mb_1_8v_65nm.pdf - Rev. P 05/14 EN
8 Micron Technology, Inc. reserves the right to change products or specifications without notice.
© 2012 Micron Technology, Inc. All rights reserved.







N25Q128A equivalent, schematic
128Mb, Multiple I/O Serial Flash Memory
Device Protection
Table 6: Protected Area Sizes – Lower Area (Continued)
Note 1 applies to the entire table
Status Register Content
Top/
Bottom
Bit BP3 BP2 BP1
1111
BP0
1
Memory Content
Protected Area
All sectors
Unprotected Area
None
Note: 1. See the Status Register for details on the top/bottom bit and the BP 3:0 bits.
PDF: 09005aef845665f6
n25q_128mb_1_8v_65nm.pdf - Rev. P 05/14 EN
16
Micron Technology, Inc. reserves the right to change products or specifications without notice.
© 2012 Micron Technology, Inc. All rights reserved.










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