HM51S4270DLTT-6 datasheet, PDF

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HM51S4270DLTT-6: Description262,144-word x 16-bit Dynamic RAM; Categorystorage storage; File Size250KB，33 Pages; ManufacturerHitachi （Renesas ）; Websitehttp://www.renesas.com/eng/

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HM51S4270DLTT-6 Overview

262,144-word x 16-bit Dynamic RAM

HM51S4270DLTT-6 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	Hitachi （Renesas ）
Parts packaging code	TSOP2
package instruction	TSOP2, TSOP40/44,.46,32
Contacts	44
Reach Compliance Code	unknow
ECCN code	EAR99
Is Samacsys	N
access mode	FAST PAGE
Maximum access time	60 ns
Other features	RAS ONLY/CAS BEFORE RAS/BATTERY BACKUP/SELF REFRESH
I/O type	COMMON
JESD-30 code	R-PDSO-G40
JESD-609 code	e0
length	18.41 mm
memory density	4194304 bi
Memory IC Type	FAST PAGE DRAM
memory width	16
Number of functions	1
Number of ports	1
Number of terminals	40
word count	262144 words
character code	256000
Operating mode	ASYNCHRONOUS
Maximum operating temperature	70 °C
Minimum operating temperature
organize	256KX16
Output characteristics	3-STATE
Package body material	PLASTIC/EPOXY
encapsulated code	TSOP2
Encapsulate equivalent code	TSOP40/44,.46,32
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
power supply	5 V
Certification status	Not Qualified
refresh cycle	512
Maximum seat height	1.2 mm
self refresh	YES
Maximum standby current	0.0002 A
Maximum slew rate	0.15 mA
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	4.5 V
Nominal supply voltage (Vsup)	5 V
surface mount	YES
technology	CMOS
Temperature level	COMMERCIAL
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	GULL WING
Terminal pitch	0.8 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
width	10.16 mm
Base Number Matches	1

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HM514170D, HM514270D Series

HM51S4170D, HM51S4270D Series

262,144-word

16-bit Dynamic RAM

ADE-203-672 (Z)

Preliminary

Rev. 0.0

Oct. 18, 1996

Description

The Hitachi HM51(S)4170D, HM51(S)4270D Series are CMOS dynamic RAM organized as 262,144-word

16-bit. HM51(S)4170D, HM51(S)4270D Series have realized higher density, higher performance and various

functions by employing 0.8

µm

CMOS process technology and some new CMOS circuit design technologies.

The HM51(S)4170D, HM51(S)4270D Series offer fast page mode as a high speed access mode. They have

the package variations of standard 400-mil 40-pin plastic SOJ and standard 400-mil 44-pin plastic TSOPII.

Internal refresh timer enables HM51S4170D, HM51S4270D Series self refresh operation.

Features

•

Single 5 V supply: 5 V

10%

•

Access time: 60 ns/70 ns/80 ns (max)

•

Low power dissipation



Active mode: 825 mW/660 mW/578 mW (max) (HM51(S)4170D Series)

825 mW/770 mW/688 mW (max) (HM51(S)4270D Series)



Standby mode: 11 mW (max)

1.1 mW (max) (L-version)

•

Fast page mode capability

•

Refresh cycles



1024 refresh cycles: 16 ms (HM51(S)4170D Series)

128 ms (L-version) (HM51(S)4170DL Series)



512 refresh cycles: 8 ms (HM51(S)4270D Series)

128 ms (L-version) (HM51(S)4270DL Series)

•

2 variations of refresh



RAS-only

refresh



CAS-before-RAS

refresh

Preliminary: This document contains information on a new product. Specifications and information

contained herein are subject to change without notice.

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