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PDF IS25LD512 Data sheet ( Hoja de datos )
| Número de pieza | IS25LD512 | |
| Descripción | 512Kbit / 1Mbit / 2Mbit Single Operating Voltage Serial Flash Memory | |
| Fabricantes | ISSI | |
| Logotipo |  |
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512Kbit/1 Mbit / 2 Mbit Single Operating Voltage Serial
Flash Memory With 100 MHz Dual-Output SPI Bus
IS25LD512/010/020
FEATURES
• Single Power Supply Operation
- Low voltage range: 2.3 V – 3.6 V
• Memory Organization
- IS25LD512: 64K x 8 (512 Kbit)
- IS25LD010: 128K x 8 (1 Mbit)
- IS25LD020: 256K x 8 (2 Mbit)
• Cost Effective Sector/Block Architecture
- 512Kb : Uniform 4KByte sectors / Two uniform
32KByte blocks
- 1Mb : Uniform 4KByte sectors / Four uniform
32KByte blocks
- 2Mb : Uniform 4KByte sectors / Four uniform
64KByte blocks
• Low standby current 1uA (Typ)
• Serial Peripheral Interface (SPI) Compatible
- Supports single- or dual-output
- Supports SPI Modes 0 and 3
- Maximum 33 MHz clock rate for normal read
- Maximum 100 MHz clock rate for fast read
• Page Program (up to 256 Bytes) Operation
- Typical 2 ms per page program
• Sector, Block or Chip Erase Operation
- Maximum 10 ms sector, block or chip erase
• Low Power Consumption
- Typical 10 mA active read current
- Typical 15 mA program/erase current
• Hardware Write Protection
- Protect and unprotect the device from write
operation by Write Protect (WP#) Pin
• Software Write Protection
- The Block Protect (BP2, BP1, BP0) bits allow
partial or entire memory to be configured as read-
only
• High Product Endurance
- Guaranteed 200,000 program/erase cycles per
single sector
- Minimum 20 years data retention
• Industrial Standard Pin-out and Package
- 8-pin 150mil SOIC
- 8-pin VVSOP
- 8-contact WSON
- 8-pin TSSOP
- 8-pin USON
- Lead-free (Pb-free) package
• Security function
- Build in Safe Guard function and sector unlock
function to make the flash Robust (Appendix1&2)
GENERAL DESCRIPTION
The IS25LD512/010/020 are 512Kbit/ 1Mbit / 2Mbit Serial Peripheral Interface (SPI) Flash memories, providing
single- or dual-output. The devices are designed to support a 33 MHz clock rate in normal read mode, and 100
MHz in fast read, the fastest in the industry. The devices use a single low voltage power supply, wide operating
voltage ranging from 2.3 Volt to 3.6 Volt, to perform read, erase and program operations. The devices can be
programmed in standard EPROM programmers.
The IS25LD512/010/020 are accessed through a 4-wire SPI Interface consisting of Serial Data Input/Output
(SlO), Serial Data Output (SO), Serial Clock (SCK), and Chip Enable (CE#) pins. They comply with all
recognized command codes and operations. The dual-output fast read operation provides and effective serial
data rate of 200MHz.
The devices support page program mode, where 1 to 256 bytes data can be programmed into the memory in
one program operation. These devices are divided into uniform 4 KByte sectors or uniform 32 KByte
blocks.(IS25LD020 is uniform 4 KByte sectors or uniform 64 KByte).
The IS25LD512/010/020 are manufactured on pFLASH™’s advanced non-volatile technology. The devices are
offered in 8-pin SOIC 150mil, 8-contact WSON, 8-pin VVSOP, 8-pin USON and 8-pin TSSOP. The devices
operate at wide temperatures between -40°C to +105°C.
Integrated Silicon Solution, Inc.- www.issi.com
Rev. A
08/09/2012
1
1 page  
IS25LD512/010/020
SYSTEM CONFIGURATION
The IS25LD512/010/020 devices are designed to interface directly with the synchronous Serial Peripheral
Interface (SPI) of the Motorola MC68HCxx series of microcontrollers or any SPI interface-equipped system
controllers. The devices have two superset features that can be enabled through specific software instructions
and the Configuration Register:
Memory Density
512 Kbit
1 Mbit
Block No.
Block Size
(Kbytes)
Sector No.
Sector Size
(Kbytes)
Address Range
Sector 0(1)
4 000000h - 000FFFh
Sector 1
Block 0
32
:
4 001000h - 001FFFh
::
Sector 7
4 007000h - 007FFFh
Sector 8
4 008000h - 008FFFh
Sector 9
Block 1
32
:
4 009000h - 009FFFh
: 000000h - 006FFFh
Sector 15
4 00F000h - 00FFFFh
Block 2
32
"
" 010000h - 017FFFh
Block 3
32
"
" 018000h - 01FFFFh
Memory Density
2 Mbit
Block No.
Block
Size
(KBytes)
Block 0
64
Block 1
:
Block 3
64
:
64
Sector No.
Sector 0
Sector 1
:
Sector 15
Sector 16
Sector 17
:
Sector 31
:
:
Table 1-1. Block/Sector Addresses of IS25LD512/010/020
Sector
Size
(KBytes)
4
4
:
4
4
4
:
4
:
4
Address Range
000000h - 000FFFh
001000h - 001FFFh
:
00F000h - 00FFFFh
010000h - 010FFFh
011000h - 011FFFh
:
01F000h - 01FFFFh
:
030000h – 03FFFFh
Integrated Silicon Solution, Inc.- www.issi.com
Rev. A
08/09/2012
5
5 Page 
IS25LD512/010/020
DEVICE OPERATION (CONTINUED)
JEDEC ID READ COMMAND (READ PRODUCT IDENTIFICATION BY JEDEC ID)
OPERATION
The JEDEC ID READ instruction allows the user to
by the first Manufacturer ID (9Dh) and the Device ID
read the manufacturer and product ID of devices. Refer (22h, in the case of the IS25LD020), each bit shifted
to Table 11 Product Identification for pFlash
out during the falling edge of SCK. If CE# stays low
Manufacturer ID and Device ID. After the JEDEC ID after the last bit of the Device ID is shifted out, the
READ command is input, the second Manufacturer ID Manufacturer ID and Device ID will loop until CE# is
(7Fh) is shifted out on SO with the MSB first, followed pulled high.
Figure 4. Read Product Identification by JEDEC ID READ Sequence
CE#
SCK
0
78
15 16
23 24
31
INSTRUCTION
SI 1001 1111b
SO
HIGH IMPEDANCE
Manufacture ID2
Manufacture ID1
Device ID2
Integrated Silicon Solution, Inc.- www.issi.com
Rev. A
08/09/2012
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet IS25LD512.PDF ] | |
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