HM51W17800J-7 datasheet, PDF - EEWORLD Datasheet

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HM51W17800J-7: DescriptionFast Page DRAM, 2MX8, 70ns, CMOS, PDSO28, 0.400 INCH, PLASTIC, SOJ-28; Categorystorage storage; File Size423KB，30 Pages; ManufacturerHitachi （Renesas ）; Websitehttp://www.renesas.com/eng/

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HM51W17800J-7 Overview

Fast Page DRAM, 2MX8, 70ns, CMOS, PDSO28, 0.400 INCH, PLASTIC, SOJ-28

HM51W17800J-7 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Parts packaging code	SOJ
package instruction	SOJ, SOJ28,.44
Contacts	28
Reach Compliance Code	unknown
ECCN code	EAR99
access mode	FAST PAGE
Maximum access time	70 ns
I/O type	COMMON
JESD-30 code	R-PDSO-J28
JESD-609 code	e0
length	18.17 mm
memory density	16777216 bit
Memory IC Type	FAST PAGE DRAM
memory width	8
Number of functions	1
Number of ports	1
Number of terminals	28
word count	2097152 words
character code	2000000
Operating mode	ASYNCHRONOUS
Maximum operating temperature	70 °C
Minimum operating temperature
organize	2MX8
Output characteristics	3-STATE
Package body material	PLASTIC/EPOXY
encapsulated code	SOJ
Encapsulate equivalent code	SOJ28,.44
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
power supply	3.3 V
Certification status	Not Qualified
refresh cycle	2048
Maximum seat height	3.76 mm
self refresh	NO
Maximum standby current	0.001 A
Maximum slew rate	0.09 mA
Maximum supply voltage (Vsup)	3.6 V
Minimum supply voltage (Vsup)	3 V
Nominal supply voltage (Vsup)	3.3 V
surface mount	YES
technology	CMOS
Temperature level	COMMERCIAL
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	J BEND
Terminal pitch	1.27 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
width	10.16 mm
Base Number Matches	1

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HM51W17800 Series

2,097,152-word

8-bit Dynamic RAM

ADE-203-664C (Z)

Rev. 3.0

Feb. 24, 1997

Description

The Hitachi HM51W17800 is a CMOS dynamic RAM organized 2,097,152-word

8-bit. It employs the

most advanced CMOS technology for high performance and low power. The HM51W17800 offers Fast Page

Mode as a high speed access mode. Multiplexed address input permits the HM51W17800 to be packaged in

standard 28-pin plastic SOJ and 28-pin TSOP.

Features

•

Single 3.3 V (±0.3 V)

•

Access time: 50 ns/60 ns/70 ns (max)

•

Power dissipation



Active mode: 396 mW/360 mW/324 mW (max)



Standby mode : 7.2 mW (max)

: 0.54 mW (max) (L-version)

Fast page mode capability

Refresh cycles



2048 refresh cycles : 32 ms

: 128 ms (L-version)

4 variations of refresh



RAS-only

refresh



CAS-before-RAS

refresh



Hidden refresh



Self refresh (L-version)

Battery backup operation (L-version)

•

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