What is Pm25LD512?

This electronic component, produced by the manufacturer "Chingis Technology", performs the same function as "512Kbit/1 Mbit / 2 Mbit Single Operating Voltage Serial Flash Memory".

Pm25LD512 Datasheet PDF - Chingis Technology

Part Number Pm25LD512
Description 512Kbit/1 Mbit / 2 Mbit Single Operating Voltage Serial Flash Memory
Manufacturers Chingis Technology 
Logo Chingis Technology Logo 

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512Kbit/1 Mbit / 2 Mbit Single Operating Voltage Serial
Flash Memory With 100 MHz Dual-Output SPI Bus
Pm25LD512/010/ 020
Single Power Supply Operation
- Low voltage range: 2.3 V – 3.6 V
• Memory Organization
- Pm25LD512: 64K x 8 (512 Kbit)
- Pm25LD010: 128K x 8 (1 Mbit)
- Pm25LD020: 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-
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 208mil SOIC for Pm25LD040
- 8-pin 300mil PDIP for Pm25LD040
- 8-contact WSON
- 8-pin TSSOP
- Lead-free (Pb-free), halogen-free package
The Pm25LD512/010/020 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 Pm25LD512/010/020 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.(Pm25LD020 is uniform 4 KByte sectors or uniform 64 KByte).
The Pm25LD512/010/020 are manufactured on pFLASH™’s advanced non-volatile technology. The devices are
offered in 8-pin SOIC 150mil, 8-contact WSON and 8-pin TSSOP. The devices operate at wide temperatures
between -40°C to +105°C.
Confidential information
Chingis Technology Corp.
1 DRAFT Date: August, 2010, Rev:0.4

Pm25LD512 equivalent
Pm25LD512/010/ 020
Multiple Pm25LD512/010/020 devices can be
connected on the SPI serial bus and controlled by a
SPI Master, i.e. microcontroller, as shown in Figure 1.
The devices support either of two SPI modes:
Mode 0 (0, 0)
Mode 3 (1, 1)
The difference between these two modes is the clock
polarity when the SPI master is in Stand-by mode: the
serial clock remains at “0” (SCK = 0) for Mode 0 and
the clock remains at “1” (SCK = 1) for Mode 3. Please
refer to Figure 2. For both modes, the input data is
latched on the rising edge of Serial Clock (SCK), and
the output data is available from the falling edge of
Figure 1. Connection Diagram among SPI Master and SPI Slaves (Memory Devices)
SPI Interface with
(0,0) or (1,1)
SPI Master
(i.e. Microcontroller)
SPI Memory
SPI Memory
SPI Memory
Note: 1. The Write Protect (WP#) and Hold (HOLD#) signals should be driven high or low as
Figure 2. SPI Modes Supported
Mode 0 (0, 0)
Mode 3 (1, 1)
Input mode
Confidential information
Chingis Technology Corp.
5 DRAFT Date: August, 2010, Rev:0.4


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1. 8 ) Serial Flash Memory

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Featured Datasheets

Part NumberDescriptionManufacturers
Pm25LD512The function is 512Kbit/1 Mbit / 2 Mbit Single Operating Voltage Serial Flash Memory.Chingis Technology
Chingis Technology

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