S25FL256SDSBFIQ01 View Datasheet(PDF) - Spansion Inc.

Part Name

Description

Manufacturer

S25FL256SDSBFIQ01

MirrorBit® Flash Non-Volatile Memory CMOS 3.0 Volt Core with Versatile I/O Serial Peripheral Interface with Multi-I/O

Spansion Inc. 

Data Sheet

2.3

Glossary

Command

All information transferred between the host system and memory during one period while

CS# is low. This includes the instruction (sometimes called an operation code or opcode) and

any required address, mode bits, latency cycles, or data.

DDP

(Dual Die Package)

Two die stacked within the same package to increase the memory capacity of a single

package. Often also referred to as a Multi-Chip Package (MCP)

DDR

(Double Data Rate)

When input and output are latched on every edge of SCK.

Flash

The name for a type of Electrical Erase Programmable Read Only Memory (EEPROM) that

erases large blocks of memory bits in parallel, making the erase operation much faster than

early EEPROM.

High

Instruction

A signal voltage level ≥ VIH or a logic level representing a binary one (1).

The 8 bit code indicating the function to be performed by a command (sometimes called an

operation code or opcode). The instruction is always the first 8 bits transferred from host

system to the memory in any command.

Low

LSB

(Least Significant Bit)

A signal voltage level  VIL or a logic level representing a binary zero (0).

Generally the right most bit, with the lowest order of magnitude value, within a group of bits of

a register or data value.

MSB

(Most Significant Bit)

Generally the left most bit, with the highest order of magnitude value, within a group of bits of

a register or data value.

Non-Volatile

No power is needed to maintain data stored in the memory.

OPN

The alphanumeric string specifying the memory device type, density, package, factory non-

(Ordering Part Number) volatile configuration, etc. used to select the desired device.

Page

512 bytes or 256 bytes aligned and length group of data. The size assigned for a page

depends on the Ordering Part Number.

PCB

Printed Circuit Board

Register Bit References

Are in the format: Register_name[bit_number] or Register_name[bit_range_MSB:

bit_range_LSB]

SDR

(Single Data Rate)

When input is latched on the rising edge and output on the falling edge of SCK.

Sector

Erase unit size; depending on device model and sector location this may be 4 kbytes,

64 kbytes or 256 kbytes.

Write

An operation that changes data within volatile or non-volatile registers bits or non-volatile

flash memory. When changing non-volatile data, an erase and reprogramming of any

unchanged non-volatile data is done, as part of the operation, such that the non-volatile data

is modified by the write operation, in the same way that volatile data is modified – as a single

operation. The non-volatile data appears to the host system to be updated by the single write

command, without the need for separate commands for erase and reprogram of adjacent, but

unaffected data.

2.4 Other Resources

2.4.1

Links to Software

http://www.spansion.com/Support/Pages/Support.aspx

2.4.2

Links to Application Notes

http://www.spansion.com/Support/TechnicalDocuments/Pages/ApplicationNotes.aspx

2.4.3

Specification Bulletins

Specification bulletins provide information on temporary differences in feature description or parametric

variance since the publication of the last full data sheet. Contact your local sales office for details. Obtain the

latest list of company locations and contact information at:

http://www.spansion.com/About/Pages/Locations.aspx

July 12, 2012 S25FL128S_256S_00_05

S25FL128S and S25FL256S

15

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