U631H0604CSK25 datasheet, PDF - EEWORLD Datasheet

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U631H0604CSK25: DescriptionNon-Volatile SRAM, 64X4, 25ns, CMOS, PDSO14, 0.150 INCH, SOP-14; Categorystorage storage; File Size22KB，1 Pages; ManufacturerZentrum Mikroelektronik Dresden AG (IDT)

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U631H0604CSK25 Overview

Non-Volatile SRAM, 64X4, 25ns, CMOS, PDSO14, 0.150 INCH, SOP-14

U631H0604CSK25 Parametric

Parameter Name	Attribute value
Maker	Zentrum Mikroelektronik Dresden AG (IDT)
Parts packaging code	SOIC
package instruction	SOP,
Contacts	14
Reach Compliance Code	unknown
ECCN code	EAR99
Maximum access time	25 ns
JESD-30 code	R-PDSO-G14
length	8.65 mm
memory density	256 bit
Memory IC Type	NON-VOLATILE SRAM
memory width	4
Number of functions	1
Number of terminals	14
word count	64 words
character code	64
Operating mode	ASYNCHRONOUS
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
organize	64X4
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Parallel/Serial	PARALLEL
Certification status	Not Qualified
Maximum seat height	1.75 mm
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	INDUSTRIAL
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
width	3.9 mm

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Advanced Information

Features

Description

The U631H0604 has two separate

modes of operation: SRAM mode

and nonvolatile mode. In SRAM

mode, the memory operates as an

ordinary static RAM. In nonvolatile

operation, data is transferred in

parallel from SRAM to EEPROM or

from EEPROM to SRAM. In this

mode SRAM functions are disab-

led.

The U631H0604 is a fast static

RAM (25 and 45 ns), with a nonvo-

latile electrically erasable PROM

(EEPROM) element incorporated

in each static memory cell. The

SRAM can be read and written an

unlimited number of times, while

independent nonvolatile data resi-

des in EEPROM.

Data transfers from the SRAM to

the EEPROM (the STORE opera-

tion), or from the EEPROM to the

SRAM (the RECALL operation) are

initiated

through

software

sequences.

U631H0604

SoftStore

64 x 4 nvSRAM

The U631H0604 combines the high

performance and ease of use of a

fast SRAM with nonvolatile data

integrity.

Once a STORE cycle is initiated,

further input or output are disabled

until the cycle is completed.

Because a sequence of addresses

is used for STORE initiation, it is

important that no other read or write

accesses intervene in the sequence

or the sequence will be aborted.

Internally, RECALL is a two step

procedure. First, the SRAM data is

cleared and second, the nonvolatile

information is transferred into the

SRAM cells.

The RECALL operation in no way

alters the data in the EEPROM

cells. The nonvolatile data can be

recalled an unlimited number of

times.

High-performance CMOS non-

volatile static RAM 64 x 4 bits

25 and 45 ns Access Times

12 and 25 ns Output Enable Times

= 10 mA at 200 ns Cycle Time

Unlimited Read and Write to

SRAM

Software STORE Initiation

(STORE Cycle Time < 4 ms)

Automatic STORE Timing

STORE cycles to EEPROM

10 year data retention in EEPROM

Automatic RECALL on Power Up

Software RECALL Initiation

(RECALL Cycle Time < 10

µs)

Unlimited RECALL cycles from

EEPROM

Single 5 V

10 % Operation

Operating temperature ranges

0 to 70

°C

-40 to 85

°C

CECC 90000 Quality Standard

ESD characterization according

MIL STD 883C M3015.7-HBM

Package: SOP14 (150 mil)

Pin Configuration

VSS

SOP 11

Top View

VCC

DQ3

DQ2

DQ1

DQ0

Logic Block Diagram

EEPROM

Array

STORE

Row Decoder

SRAM

Array

2 Rows x

32 Columns

Store/

Recall

Control

RECALL

DQ0

Column I/O

Input Buffers

Column Decoder

Software

Detect

Signal Name

A0 - A4

DQ0 - DQ3

VCC

VSS

Signal Description

Address Inputs

Data In/Out

Chip Enable

Write Enable

Power Supply Voltage

Ground

DQ1

DQ2

DQ3

A0 - A5

A0 A1 A2 A3 A4

August 29, 1997

Zentrum Mikroelektronik Dresden GmbH

Grenzstraße 28

•

D-01109 Dresden

•

P. O. B. 80 01 34

•

D-01101 Dresden

•

Germany

Phone: +49 351 8822 306

•

Fax: +49 351 8822 337

•

Email: sales@zmd.de

•

http://www.zmd.de

U631H0604CSK25 Related Products

	U631H0604CSK25	U631H0604CSC25	U631H0604CSK45	U631H0604CSC45
Description	Non-Volatile SRAM, 64X4, 25ns, CMOS, PDSO14, 0.150 INCH, SOP-14	Non-Volatile SRAM, 64X4, 25ns, CMOS, PDSO14, 0.150 INCH, SOP-14	Non-Volatile SRAM, 64X4, 45ns, CMOS, PDSO14, 0.150 INCH, SOP-14	Non-Volatile SRAM, 64X4, 45ns, CMOS, PDSO14, 0.150 INCH, SOP-14
Parts packaging code	SOIC	SOIC	SOIC	SOIC
package instruction	SOP,	SOP,	SOP,	SOP,
Contacts	14	14	14	14
Reach Compliance Code	unknown	unknown	unknown	unknown
ECCN code	EAR99	EAR99	EAR99	EAR99
Maximum access time	25 ns	25 ns	45 ns	45 ns
JESD-30 code	R-PDSO-G14	R-PDSO-G14	R-PDSO-G14	R-PDSO-G14
length	8.65 mm	8.65 mm	8.65 mm	8.65 mm
memory density	256 bit	256 bit	256 bit	256 bit
Memory IC Type	NON-VOLATILE SRAM	NON-VOLATILE SRAM	NON-VOLATILE SRAM	NON-VOLATILE SRAM
memory width	4	4	4	4
Number of functions	1	1	1	1
Number of terminals	14	14	14	14
word count	64 words	64 words	64 words	64 words
character code	64	64	64	64
Operating mode	ASYNCHRONOUS	ASYNCHRONOUS	ASYNCHRONOUS	ASYNCHRONOUS
Maximum operating temperature	85 °C	70 °C	85 °C	70 °C
organize	64X4	64X4	64X4	64X4
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	SOP	SOP	SOP	SOP
Package shape	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE
Parallel/Serial	PARALLEL	PARALLEL	PARALLEL	PARALLEL
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Maximum seat height	1.75 mm	1.75 mm	1.75 mm	1.75 mm
Maximum supply voltage (Vsup)	5.5 V	5.5 V	5.5 V	5.5 V
Minimum supply voltage (Vsup)	4.5 V	4.5 V	4.5 V	4.5 V
Nominal supply voltage (Vsup)	5 V	5 V	5 V	5 V
surface mount	YES	YES	YES	YES
technology	CMOS	CMOS	CMOS	CMOS
Temperature level	INDUSTRIAL	COMMERCIAL	INDUSTRIAL	COMMERCIAL
Terminal form	GULL WING	GULL WING	GULL WING	GULL WING
Terminal pitch	1.27 mm	1.27 mm	1.27 mm	1.27 mm
Terminal location	DUAL	DUAL	DUAL	DUAL
width	3.9 mm	3.9 mm	3.9 mm	3.9 mm
Maker	Zentrum Mikroelektronik Dresden AG (IDT)	-	Zentrum Mikroelektronik Dresden AG (IDT)	Zentrum Mikroelektronik Dresden AG (IDT)

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