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PDF EN25P16 Data sheet ( Hoja de datos )
| Número de pieza | EN25P16 | |
| Descripción | 16 Mbit Uniform Sector Flash Memory | |
| Fabricantes | Eon | |
| Logotipo |  |
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EN25P16
16 Mbit Uniform Sector, Serial Flash Memory
EN25P16
FEATURES
• Single power supply operation
- Full voltage range: 2.7-3.6 volt
• 16 Mbit Serial Flash
- 16 M-bit/2048 K-byte/8192 pages
- 256 bytes per programmable page
• High performance
- 75MHz clock rate
• Low power consumption
- 5 mA typical active current
- 1 μA typical power down current
• Uniform Sector Architecture:
- Thirty two 64-Kbyte sectors
• Software and Hardware Write Protection:
- Write Protect all or portion of memory via
software
- Enable/Disable protection with WP# pin
• High performance program/erase speed
- Byte program time: 7µs typical
- Page program time: 1.5ms typical
- Sector erase time: 800ms typical
- Chip erase time: 18 Seconds typical
• Minimum 100K endurance cycle
• Package Options
- 8 pins SOP 200mil body width
- 8 contact VDFN
- 16 pin SOP 300mil body width
- All Pb-free packages are RoHS compliant
• Commercial and industrial temperature Range
GENERAL DESCRIPTION
The EN25P16 is a 16M-bit (2048K-byte) Serial Flash memory, with advanced write protection
mechanisms, accessed by a high speed SPI-compatible bus. The memory can be programmed 1 to
256 bytes at a time, using the Page Program instruction.
The EN25P16 is designed to allow either single Sector at a time or full chip erase operation. The
EN25P16 can be configured to protect part of the memory as the software protected mode. The device
can sustain a minimum of 100K program/erase cycles on each sector.
This Data Sheet may be revised by subsequent versions 1
or modifications due to changes in technical specifications.
©2004 Eon Silicon Solution, Inc., www.essi.com.tw
Rev. C, Issue Date: 2006/12/25
1 page  
www.DataSheet4U.com
EN25P16
MEMORY ORGANIZATION
The memory is organized as:
z 2,097,152 bytes
z Uniform Sector Architecture
Thirty two 64-Kbyte sectors
z 8192 pages (256 bytes each)
Each page can be individually programmed (bits are programmed from 1 to 0). The device is Sector or
Bulk Erasable but not Page Erasable.
Table 2. Block Sector Architecture
Sector
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
SECTOR SIZE (KByte)
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
64
Address range
1F0000h – 1FFFFFh
1E0000h – 1EFFFFh
1D0000h – 1DFFFFh
1C0000h – 1CFFFFh
1B0000h – 1BFFFFh
1A0000h – 1AFFFFh
190000h – 19FFFFh
180000h – 18FFFFh
170000h – 17FFFFh
160000h – 16FFFFh
150000h – 15FFFFh
140000h – 14FFFFh
130000h – 13FFFFh
120000h – 12FFFFh
110000h – 11FFFFh
100000h – 10FFFFh
0F0000h – 0FFFFFh
0E0000h – 0EFFFFh
0D0000h – 0DFFFFh
0C0000h – 0CFFFFh
0B0000h – 0BFFFFh
0A0000h – 0AFFFFh
090000h – 09FFFFh
080000h – 08FFFFh
070000h – 07FFFFh
060000h – 06FFFFh
050000h – 05FFFFh
040000h – 04FFFFh
030000h – 03FFFFh
020000h – 02FFFFh
010000h – 01FFFFh
000000h – 00FFFFh
This Data Sheet may be revised by subsequent versions
5
or modifications due to changes in technical specifications.
©2004 Eon Silicon Solution, Inc., www.essi.com.tw
Rev. C, Issue Date: 2006/12/25
5 Page 
www.DataSheet4U.com
EN25P16
Read Status Register (RDSR) (05h)
The Read Status Register (RDSR) instruction allows the Status Register to be read. The Status Register
may be read at any time, even while a Program, Erase or Write Status Register cycle is in progress.
When one of these cycles is in progress, it is recommended to check the Write In Progress (WIP) bit
before sending a new instruction to the device. It is also possible to read the Status Register continuously,
as shown in Figure 7.
Table 6. Status Register Bit Locations
The status and control bits of the Status Register are as follows:
BUSY bit. The BUSY bit indicates whether the memory is busy with a Write Status Register, Program or
Erase cycle. When set to 1, such a cycle is in progress, when reset to 0 no such cycle is in progress.
WEL bit. The Write Enable Latch (WEL) bit indicates the status of the internal Write Enable Latch. When
set to 1 the internal Write Enable Latch is set, when set to 0 the internal Write Enable Latch is reset and
no Write Status Register, Program or Erase instruction is accepted.
BP2, BP1, BP0 bits. The Block Protect (BP2, BP1, BP0) bits are non-volatile. They define the size of the
area to be software protected against Program and Erase instructions. These bits are written with the
Write Status Register (WRSR) instruction. When one or both of the Block Protect (BP2, BP1, BP0) bits is
set to 1, the relevant memory area (as defined in Table 3.) becomes protected against Page Program (PP)
and Sector Erase (SE) instructions. The Block Protect (BP2, BP1, BP0) bits can be written provided that
the Hardware Protected mode has not been set. The Bulk Erase (BE) instruction is executed if, and only if,
both Block Protect (BP2, BP1, BP0) bits are 0.
Reserved bit. Status register bit locations 5 and 6 are reserved for future use. Current devices will read 0
for these bit locations. It is recommended to mask out the reserved bit when testing the Status Register.
Doing this will ensure compatibility with future devices.
SRP bit. The Status Register Protect (SRP) bit is operated in conjunction with the Write Protect (WP#)
signal. The Status Register Write Protect (SRP) bit and Write Protect (WP#) signal allow the device to be
put in the Hardware Protected mode (when the Status Register Protect (SRP) bit is set to 1, and Write
Protect (WP#) is driven Low). In this mode, the non-volatile bits of the Status Register (SRP, BP2, BP1,
BP0) become read-only bits and the Write Status Register (WRSR) instruction is no longer accepted for
execution.
This Data Sheet may be revised by subsequent versions 11 ©2004 Eon Silicon Solution, Inc., www.essi.com.tw
or modifications due to changes in technical specifications.
Rev. C, Issue Date: 2006/12/25
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet EN25P16.PDF ] | |
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