PDM21048LL10T datasheet, PDF - EEWORLD Datasheet

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PDM21048LL10T: DescriptionStandard SRAM, 256KX8, 100ns, CMOS, PDSO32; Categorystorage storage; File Size219KB，8 Pages; ManufacturerIXYS

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PDM21048LL10T Overview

Standard SRAM, 256KX8, 100ns, CMOS, PDSO32

PDM21048LL10T Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	IXYS
Reach Compliance Code	unknown
Maximum access time	100 ns
I/O type	COMMON
JESD-30 code	R-PDSO-G32
JESD-609 code	e0
memory density	2097152 bit
Memory IC Type	STANDARD SRAM
memory width	8
Number of terminals	32
word count	262144 words
character code	256000
Operating mode	ASYNCHRONOUS
Maximum operating temperature	70 °C
Minimum operating temperature
organize	256KX8
Output characteristics	3-STATE
Package body material	PLASTIC/EPOXY
encapsulated code	TSSOP
Encapsulate equivalent code	TSSOP32,.8,20
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Parallel/Serial	PARALLEL
power supply	2.7 V
Certification status	Not Qualified
Maximum standby current	0.00002 A
Minimum standby current	1.5 V
Maximum slew rate	0.035 mA
Nominal supply voltage (Vsup)	2.7 V
surface mount	YES
technology	CMOS
Temperature level	COMMERCIAL
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	GULL WING
Terminal pitch	0.5 mm
Terminal location	DUAL

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ADVANCED

PDM21048LL

256K x 8-Bit Low Power

2.7 Volt

Features

Description

The PDM21048LL is a very low power CMOS static

RAM organized as 131,072 x 8 bits. Writing to this

device is accomplished when the write enable (WE)

and the chip enable (CE1) inputs are both LOW, and

CE2 is high. Reading is accomplished when WE and

CE2 remain HIGH and CE1 and OE are both LOW.

The PDM21048LL operates from a single +2.7V

power supply and all the inputs and outputs are

fully TTL- compatible. The device supports low data

retention voltage for battery back-up operation with

low current.

The PDM21048LL is available in a 32-pin plastic

TSOP (I) and a 32-pin plastic STSOP (I).

High-speed access times

Com’l: 100 and 120 ns

Low power operation (typical)

- PDM21048LL

Active: 65 mW

Standby: 7µW

Single +2.7V (±0.3V) power supply

TTL-compatible inputs and outputs

I/Os are 3.6V tolerant

Low data retention voltage: 1.5V

Packages

Plastic TSOP (I) - T

Plastic STSOP (I) - ST

Functional Block Diagram

Addresses

•

Decoder

•

Memory

Matrix

I/O

•

I/O

• • • • •

Input

Data

Control

Column I/O

•

CE1

CE2

•

Control

Rev. 0.0 - 4/30/98

PDM21048LL10T Related Products

	PDM21048LL10T	PDM21048LL12T	PDM21048LL12ST
Description	Standard SRAM, 256KX8, 100ns, CMOS, PDSO32	Standard SRAM, 256KX8, 120ns, CMOS, PDSO32	Standard SRAM, 256KX8, 120ns, CMOS, PDSO32
Is it Rohs certified?	incompatible	incompatible	incompatible
Reach Compliance Code	unknown	unknown	unknown
Maximum access time	100 ns	120 ns	120 ns
I/O type	COMMON	COMMON	COMMON
JESD-30 code	R-PDSO-G32	R-PDSO-G32	R-PDSO-G32
JESD-609 code	e0	e0	e0
memory density	2097152 bit	2097152 bit	2097152 bit
Memory IC Type	STANDARD SRAM	STANDARD SRAM	STANDARD SRAM
memory width	8	8	8
Number of terminals	32	32	32
word count	262144 words	262144 words	262144 words
character code	256000	256000	256000
Operating mode	ASYNCHRONOUS	ASYNCHRONOUS	ASYNCHRONOUS
Maximum operating temperature	70 °C	70 °C	70 °C
organize	256KX8	256KX8	256KX8
Output characteristics	3-STATE	3-STATE	3-STATE
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	TSSOP	TSSOP	TSSOP
Encapsulate equivalent code	TSSOP32,.8,20	TSSOP32,.8,20	TSSOP32,.56,20
Package shape	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Parallel/Serial	PARALLEL	PARALLEL	PARALLEL
power supply	2.7 V	2.7 V	2.7 V
Certification status	Not Qualified	Not Qualified	Not Qualified
Maximum standby current	0.00002 A	0.00002 A	0.00002 A
Minimum standby current	1.5 V	1.5 V	1.5 V
Maximum slew rate	0.035 mA	0.035 mA	0.035 mA
Nominal supply voltage (Vsup)	2.7 V	2.7 V	2.7 V
surface mount	YES	YES	YES
technology	CMOS	CMOS	CMOS
Temperature level	COMMERCIAL	COMMERCIAL	COMMERCIAL
Terminal surface	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)
Terminal form	GULL WING	GULL WING	GULL WING
Terminal pitch	0.5 mm	0.5 mm	0.5 mm
Terminal location	DUAL	DUAL	DUAL
Maker	IXYS	-	IXYS

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