UPD43256BGW-A85-9KL datasheet, PDF

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UPD43256BGW-A85-9KL: DescriptionIC,SRAM,32KX8,CMOS,TSSOP,28PIN,PLASTIC; Categorystorage storage; File Size309KB，24 Pages; ManufacturerRenesas Electronics Corporation; Websitehttps://www.renesas.com/

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UPD43256BGW-A85-9KL Overview

IC,SRAM,32KX8,CMOS,TSSOP,28PIN,PLASTIC

UPD43256BGW-A85-9KL Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
Maker	Renesas Electronics Corporation
Parts packaging code	TSOP
package instruction	TSOP1-R,
Contacts	28
Reach Compliance Code	unknown
ECCN code	EAR99
Maximum access time	85 ns
JESD-30 code	R-PDSO-G28
JESD-609 code	e0
length	11.8 mm
memory density	262144 bit
Memory IC Type	STANDARD SRAM
memory width	8
Number of functions	1
Number of terminals	28
word count	32768 words
character code	32000
Operating mode	ASYNCHRONOUS
Maximum operating temperature	70 °C
Minimum operating temperature
organize	32KX8
Package body material	PLASTIC/EPOXY
encapsulated code	TSOP1-R
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE
Parallel/Serial	PARALLEL
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
Certification status	Not Qualified
Maximum seat height	1.2 mm
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	3 V
Nominal supply voltage (Vsup)	5 V
surface mount	YES
technology	CMOS
Temperature level	COMMERCIAL
Terminal surface	TIN LEAD
Terminal form	GULL WING
Terminal pitch	0.55 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
width	8 mm

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DATA SHEET

MOS INTEGRATED CIRCUIT

PD43256B

256K-BIT CMOS STATIC RAM

32K-WORD BY 8-BIT

Description

The

PD43256B is a high speed, low power, and 262,144 bits (32,768 words by 8 bits) CMOS static RAM.

Battery backup is available. And A and B versions are wide voltage operations.

The

PD43256B is packed in 28-pin PLASTIC DIP, 28-pin PLASTIC SOP and 28-pin PLASTIC TSOP (I) (8 x 13.4 mm).

Features

•

32,768 words by 8 bits organization

•

Fast access time: 70, 85, 100, 120 ns (MAX.)

•

Low voltage operation (A version: V

= 3.0 to 5.5 V, B version: V

= 2.7 to 5.5 V)

•

Low V

data retention: 2.0 V (MIN.)

•

/OE input for easy application

Part number

Access time

ns (MAX.)

Operating supply Operating ambient

voltage

temperature

°C

0 to 70

At operating

mA (MAX.)

Supply current

At standby

At data retention

A (MAX.)

Note1

PD43256B-xxL

PD43256B-xxLL

PD43256B-Axx

PD43256B-Bxx

Note2

70, 85

4.5 to 5.5

85, 100

Note2

, 120

Note2

3.0 to 5.5

2.7 to 5.5

100, 120

Notes 1.

≤

°C,

= 3.0 V

Access time: 85 ns (MAX.) (V

= 4.5 to 5.5 V)

The information in this document is subject to change without notice. Before using this document, please

confirm that this is the latest version.

Not all products and/or types are available in every country. Please check with an NEC Electronics

sales representative for availability and additional information.

Document No. M10770EJFV0DS00 (15th edition)

Date Published November 2008

Printed in Japan

1990, 1993, 1994

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