SRM2B256SLTMX70 datasheet, PDF

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SRM2B256SLTMX70: DescriptionStandard SRAM, 32KX8, 120ns, CMOS, PDSO28; Categorystorage storage; File Size57KB，14 Pages; ManufacturerSeiko Epson Corporation

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SRM2B256SLTMX70 Overview

Standard SRAM, 32KX8, 120ns, CMOS, PDSO28

SRM2B256SLTMX70 Parametric

Parameter Name	Attribute value
Maker	Seiko Epson Corporation
package instruction	,
Reach Compliance Code	unknown
ECCN code	EAR99
Maximum access time	120 ns
JESD-30 code	R-PDSO-G28
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	85 °C
Minimum operating temperature	-25 °C
organize	32KX8
Package body material	PLASTIC/EPOXY
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Parallel/Serial	PARALLEL
Certification status	Not Qualified
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	2.7 V
Nominal supply voltage (Vsup)	3 V
surface mount	YES
technology	CMOS
Temperature level	OTHER
Terminal form	GULL WING
Terminal location	DUAL

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SRM2B256SLMX

55/70/10

256K-BIT STATIC RAM

Wide Temperature Range

Extremely Low Standby Current

Access Time 100ns (2.7V) 55ns (4.5V)

32,768 Words

8-Bit Asynchronous

DESCRIPTION

The SRM2B256SLMX is a low voltage operating 32,768 words

8-bit asynchronous, static, random

access memory fabricated using an advanced CMOS technology. Its very low standby power con-

sumption makes it ideal for applications requiring non-volatile storage with back-up batteries, and

–25 to 85

C operating temperature range makes it ideal for industrial use. The asynchronous and

static nature of the memory requires no external clock or refresh circuit. 3-state output ports allow easy

expansion of memory capacity. These features make the SRM2B256SLMX usable for a wide range

of applications, from microprocessor systems to terminal devices.

FEATURES

•

Wide temperature range . . . . . . . . . . . –25 to 85

Extended supply voltage range. . . . . . 2.7 to 5.5V

Fast access time . . . . . . . . . . . . . . . . . 100ns (3V

10%)

55ns (5V

10%)

Extremely low standby current . . . . . . SL Version

Completely static. . . . . . . . . . . . . . . . . No clock required

3-state output

Battery back-up operation

Package . . . . . . . . . . . . . . . . . . . . . . . SRM2B256SLCX . . . . . . . . . . . . . . . DIP2-28pin (plastic)

SRM2B256SLMX . . . . . . . . . . . . . . SOP2-28pin (plastic)

SRM2B256SLTMX . . . . . . . . . . . TSOP (I)-28pin (plastic)

SRM2B256SLRMX. . . . . . . . TSOP (I)-28pin-R1 (plastic)

000-97-MEM-1.0

S-MOS Systems, Inc. • 150 River Oaks Parkway • San Jose, CA 95134 • Tel: (408) 922-0200 • Fax: (408) 922-0238

SRM2B256SLTMX70 Related Products

	SRM2B256SLTMX70	SRM2B256SLRMX10	SRM2B256SLRMX55	SRM2B256SLMX10	SRM2B256SLCX10	SRM2B256SLMX70
Description	Standard SRAM, 32KX8, 120ns, CMOS, PDSO28	Standard SRAM, 32KX8, 180ns, CMOS, PDSO28	Standard SRAM, 32KX8, 100ns, CMOS, PDSO28	Standard SRAM, 32KX8, 180ns, CMOS, PDSO28	Standard SRAM, 32KX8, 180ns, CMOS, PDIP28	Standard SRAM, 32KX8, 120ns, CMOS, PDSO28
Reach Compliance Code	unknown	unknown	unknown	unknown	unknown	unknown
ECCN code	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99
Maximum access time	120 ns	180 ns	100 ns	180 ns	180 ns	120 ns
JESD-30 code	R-PDSO-G28	R-PDSO-G28	R-PDSO-G28	R-PDSO-G28	R-PDIP-T28	R-PDSO-G28
memory density	262144 bit	262144 bit	262144 bit	262144 bit	262144 bit	262144 bit
Memory IC Type	STANDARD SRAM	STANDARD SRAM	STANDARD SRAM	STANDARD SRAM	STANDARD SRAM	STANDARD SRAM
memory width	8	8	8	8	8	8
Number of functions	1	1	1	1	1	1
Number of terminals	28	28	28	28	28	28
word count	32768 words	32768 words	32768 words	32768 words	32768 words	32768 words
character code	32000	32000	32000	32000	32000	32000
Operating mode	ASYNCHRONOUS	ASYNCHRONOUS	ASYNCHRONOUS	ASYNCHRONOUS	ASYNCHRONOUS	ASYNCHRONOUS
Maximum operating temperature	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C
Minimum operating temperature	-25 °C	-25 °C	-25 °C	-25 °C	-25 °C	-25 °C
organize	32KX8	32KX8	32KX8	32KX8	32KX8	32KX8
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
Package shape	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE	IN-LINE	SMALL OUTLINE
Parallel/Serial	PARALLEL	PARALLEL	PARALLEL	PARALLEL	PARALLEL	PARALLEL
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Maximum supply voltage (Vsup)	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V
Minimum supply voltage (Vsup)	2.7 V	2.7 V	2.7 V	2.7 V	2.7 V	2.7 V
Nominal supply voltage (Vsup)	3 V	3 V	3 V	3 V	3 V	3 V
surface mount	YES	YES	YES	YES	NO	YES
technology	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS
Temperature level	OTHER	OTHER	OTHER	OTHER	OTHER	OTHER
Terminal form	GULL WING	GULL WING	GULL WING	GULL WING	THROUGH-HOLE	GULL WING
Terminal location	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL
Maker	Seiko Epson Corporation	-	-	Seiko Epson Corporation	Seiko Epson Corporation	Seiko Epson Corporation
Parts packaging code	-	TSOP	TSOP	SOIC	DIP	SOIC
Contacts	-	28	28	28	28	28

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