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HM5225805BTT-A6

Description
256M LVTTL interface SDRAM 133 MHz/100 MHz 4-Mword 】 16-bit 】 4-bank/8-Mword 】 8-bit 】 4-bank /16-Mword 】 4-bit 】 4-bank PC/133, PC/100 SDRAM
Categorystorage    storage   
File Size365KB,63 Pages
ManufacturerELPIDA
Websitehttp://www.elpida.com/en
Download Datasheet Parametric View All

HM5225805BTT-A6 Overview

256M LVTTL interface SDRAM 133 MHz/100 MHz 4-Mword 】 16-bit 】 4-bank/8-Mword 】 8-bit 】 4-bank /16-Mword 】 4-bit 】 4-bank PC/133, PC/100 SDRAM

HM5225805BTT-A6 Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerELPIDA
Parts packaging codeTSOP2
package instructionTSOP2, TSOP54,.46,32
Contacts54
Reach Compliance Codeunknow
ECCN codeEAR99
access modeFOUR BANK PAGE BURST
Maximum access time6 ns
Other featuresAUTO/SELF REFRESH
Maximum clock frequency (fCLK)100 MHz
I/O typeCOMMON
interleaved burst length1,2,4,8
JESD-30 codeR-PDSO-G54
JESD-609 codee0
length22.22 mm
memory density268435456 bi
Memory IC TypeSYNCHRONOUS DRAM
memory width8
Number of functions1
Number of ports1
Number of terminals54
word count33554432 words
character code32000000
Operating modeSYNCHRONOUS
Maximum operating temperature70 °C
Minimum operating temperature
organize32MX8
Output characteristics3-STATE
Package body materialPLASTIC/EPOXY
encapsulated codeTSOP2
Encapsulate equivalent codeTSOP54,.46,32
Package shapeRECTANGULAR
Package formSMALL OUTLINE, THIN PROFILE
Peak Reflow Temperature (Celsius)NOT SPECIFIED
power supply3.3 V
Certification statusNot Qualified
refresh cycle8192
Maximum seat height1.2 mm
self refreshYES
Continuous burst length1,2,4,8
Maximum standby current0.002 A
Maximum slew rate0.22 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 levelCOMMERCIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formGULL WING
Terminal pitch0.8 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width10.16 mm
HM5225165B-75/A6/B6
HM5225805B-75/A6/B6
HM5225405B-75/A6/B6
256M LVTTL interface SDRAM
133 MHz/100 MHz
4-Mword
×
16-bit
×
4-bank/8-Mword
×
8-bit
×
4-bank
/16-Mword
×
4-bit
×
4-bank
PC/133, PC/100 SDRAM
E0082H10 (1st edition)
(Previous ADE-203-1073B (Z))
Jan. 31, 2001
Description
The HM5225165B is a 256-Mbit SDRAM organized as 4194304-word
×
16-bit
×
4 bank. The HM5225805B
is a 256-Mbit SDRAM organized as 8388608-word
×
8-bit
×
4 bank. The HM5225405B is a 256-Mbit
SDRAM organized as 16777216-word
×
4-bit
×
4 bank. All inputs and outputs are referred to the rising edge
of the clock input. It is packaged in standard 54-pin plastic TSOP II.
Features
3.3 V power supply
Clock frequency: 133 MHz/100 MHz (max)
LVTTL interface
Single pulsed
RAS
4 banks can operate simultaneously and independently
Burst read/write operation and burst read/single write operation capability
Programmable burst length: 1/2/4/8
2 variations of burst sequence
Sequential (BL = 1/2/4/8)
Interleave (BL = 1/2/4/8)
Programmable
CAS
latency: 2/3
Elpida Memory, Inc. is a joint venture DRAM company of NEC Corporation and Hitachi, Ltd.
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