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M50FLW040AK5P

Description
4-Mbit (5 】 64 Kbyte blocks + 3 】 16 】 4 Kbyte sectors) 3-V supply Firmware Hub / low-pin count Flash memory
Categorystorage    storage   
File Size328KB,64 Pages
ManufacturerSTMicroelectronics
Websitehttp://www.st.com/
Environmental Compliance
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M50FLW040AK5P Overview

4-Mbit (5 】 64 Kbyte blocks + 3 】 16 】 4 Kbyte sectors) 3-V supply Firmware Hub / low-pin count Flash memory

M50FLW040AK5P Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerSTMicroelectronics
Parts packaging codeQFJ
package instructionROHS COMPLIANT, PLASTIC, LCC-32
Contacts32
Reach Compliance Codecompli
ECCN codeEAR99
Maximum access time11 ns
command user interfaceYES
Data pollingNO
JESD-30 codeR-PQCC-J32
JESD-609 codee3
length13.97 mm
memory density4194304 bi
Memory IC TypeFLASH
memory width8
Number of functions1
Number of departments/size8
Number of terminals32
word count524288 words
character code512000
Operating modeSYNCHRONOUS
Maximum operating temperature85 °C
Minimum operating temperature-20 °C
organize512KX8
Package body materialPLASTIC/EPOXY
encapsulated codeQCCJ
Encapsulate equivalent codeLDCC32,.5X.6
Package shapeRECTANGULAR
Package formCHIP CARRIER
Parallel/SerialPARALLEL
Peak Reflow Temperature (Celsius)245
power supply3.3 V
Programming voltage3 V
Certification statusNot Qualified
ready/busyYES
Maximum seat height3.56 mm
Maximum standby current0.0001 A
Maximum slew rate0.06 mA
Maximum supply voltage (Vsup)3.6 V
Minimum supply voltage (Vsup)3 V
Nominal supply voltage (Vsup)3.3 V
surface mountYES
technologyCMOS
Temperature levelOTHER
Terminal surfaceMatte Tin (Sn)
Terminal formJ BEND
Terminal pitch1.27 mm
Terminal locationQUAD
Maximum time at peak reflow temperatureNOT SPECIFIED
switch bitNO
typeNOR TYPE
width11.43 mm
M50FLW040A
M50FLW040B
4-Mbit (5 × 64 Kbyte blocks + 3 × 16 × 4 Kbyte sectors)
3-V supply Firmware Hub / low-pin count Flash memory
Feature summary
Flash memory
– Compatible with either the LPC interface or
the FWH interface (Intel Spec rev1.1) used
in PC BIOS applications
– 5 Signal Communication Interface
supporting Read and Write Operations
– 5 Additional General Purpose Inputs for
platform design flexibility
– Synchronized with 33MHz PCI clock
8 blocks of 64 Kbytes
– 5 blocks of 64 KBytes each
– 3 blocks, subdivided into 16 uniform
sectors of 4 KBytes each
Two blocks at the top and one at the bottom
(M50FLW040A)
One block at the top and two at the bottom
(M50FLW040B)
Enhanced security
– Hardware Write Protect Pins for Block
Protection
– Register-based Read and Write Protection
Supply voltage
– V
CC
= 3 to 3.6V for Program, Erase and
Read Operations
– V
PP
= 12V for Fast Program and Erase
Two interfaces
– Auto Detection of Firmware Hub (FWH) or
Low Pin Count (LPC) Memory Cycles for
Embedded Operation with PC Chipsets
– Address/Address Multiplexed (A/A Mux)
Interface for programming equipment
compatibility.
Programming time: 10 µs typical
Program/Erase Controller
– Embedded Program and Erase algorithms
– Status Register Bits
PLCC32 (K)
TSOP32 (NB)
8 x 14mm
TSOP40 (N)
10 x 20mm
Program/Erase Suspend
– Read other Blocks/Sectors during Program
Suspend
– Program other Blocks/Sectors during Erase
Suspend
Electronic signature
– Manufacturer Code: 20h
– Device Code (M50FLW040A): 08h
– Device Code (M50FLW040B): 28h
Packages
– ECOPACK® (RoHS compliant)
October 2006
Rev 6
1/64
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