as6c2008 Alliance Memory, Inc, as6c2008 Datasheet

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as6c2008

Manufacturer Part Number
as6c2008
Description
256k X 8 Bit Low Power Cmos Sram
Manufacturer
Alliance Memory, Inc
Datasheet
FEATURES
PRODUCT FAMILY
FUNCTIONAL BLOCK DIAGRAM
AS6C2008 (I)
Rev. 1.1
DQ0-DQ7
Operating current :20mA (TYP.)
Standby current : 20mA(TYP.)L Version
Access time : 55ns
A0-A17
Low power consumption:
Single 2.7V ~ 3.6V power supply
Fully static operation
Tri-state output
Data retention voltage : 1.5V (MIN.)
All Products ROHS Compliant
Package : 32-pin 450 mil SOP
February 2007
10/February/07, v.1.0
Product
WE#
CE#
CE2
OE#
Family
Vcc
Vss
32-pin 8mm x 20mm TSOP-I
32-pin 8mm x 13.4mm sTSOP
36-ball 6mm x 8mm TFBGA
DECODER
CONTROL
I/O DATA
CIRCUIT
CIRCUIT
Temperature
1µ A (TYP.) LL-version
-40 ~ 85ºC
Operating
MEMORY ARRAY
COLUMN I/O
256Kx8
Vcc Range
2 .7 ~ 3.6V
Alliance Memory Inc.
256K X 8 BIT LOW POWER CMOS SRAM
Speed
55ns
GENERAL DESCRIPTION
The AS6C2008 is a 2,097,152-bit low power CMOS
static random access memory organized as 262,144
words by 8 bits. It is fabricated using very high
performance, high reliability CMOS technology. Its
standby current is stable within the range of
operating temperature.
The AS6C2008 is well designed for very low power
system applications, and particularly well suited for
battery back-up nonvolatile memory application.
The AS6C2008 operates from a single power
supply of 2.7V ~ 3.6V
.
PIN DESCRIPTION
SYMBOL
A0 - A17
DQ0 – DQ7
CE#, CE2
WE#
OE#
V
V
NC
CC
SS
®
Standby(I
20µA(L)/1µA(LL)
DESCRIPTION
Address Inputs
Data Inputs/Outputs
Chip Enable Inputs
Write Enable Input
Output Enable Input
Power Supply
Ground
No Connection
SB1,
Power Dissipation
TYP.)
Operating(Icc,TYP.)
Page 1 of 13
AS6C2008
20mA

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as6c2008 Summary of contents

Page 1

... It is fabricated using very high performance, high reliability CMOS technology. Its standby current is stable within the range of operating temperature. The AS6C2008 is well designed for very low power system applications, and particularly well suited for battery back-up nonvolatile memory application. The AS6C2008 operates from a single power supply of 2 ...

Page 2

... AS6C2008 OE# Vcc 8 A17 9 A10 A16 10 A14 11 CE# A12 DQ7 DQ6 A4 16 DQ5 DQ4 DQ3 Alliance Memory Inc. AS6C2008 TSOP-I/sTSOP Page OE# A10 CE# DQ7 DQ6 DQ5 DQ4 DQ3 Vss ...

Page 3

... CE# 0.2V and CE2 V -0.2V, ≦ ≧ 0mA I/O other pins at 0. -0. CE2 = CE# V -0.2V ≧ CE2 ≦ 0.2V -I* Alliance Memory Inc. AS6C2008 RATING UNIT -0.5 to 4.6 -40 to 85(I grade) -65 to 150 260 SUPPLY CURRENT I/O OPERATION High High High OUT ...

Page 4

... WHZ Alliance Memory Inc. AS6C2008 MAX 0. -1mA/2mA OH OL AS6C2008-55 MIN MAX AS6C2008-55 MIN MAX Page UNIT pF pF UNIT UNIT ...

Page 5

... OE t OLZ t CLZ Data Valid CE2 = high ., . CE2 = high; otherwise 5pF. Transition is measured ±500mV from steady state less than less than t CHZ CLZ OHZ Alliance Memory Inc. AS6C2008 OHZ t CHZ High-Z is the limiting parameter. AA OLZ. Page ...

Page 6

... WP t WHZ High-Z ( WHZ High-Z ( must be greater than t WP WHZ Alliance Memory Inc. AS6C2008 ( Data Valid Data Valid + t to allow the drivers to turn off and data Page ...

Page 7

... CE2 ≦ 0.2V - ≧ CE2 ≦ 0.2V -I* See Data Retention Waveforms (below) CE# ( controlled) V ≧ 1.5V DR CE# ≧ cc-0.2V V (CE2 controlled) V ≧ 1.5V DR CE2 ≦ 0.2V Alliance Memory Inc. AS6C2008 MIN. TYP. MAX. UNIT 1.5 - 3 Vcc(min Vcc(min Page µ ...

Page 8

... E1 0.555 ± 0.012 14.097 ± 0.305 e 0.050(TYP) 1.270(TYP) L 0.0347 ± 0.008 0.881 ± 0.203 L1 0.055 ± 0.008 1.397 ± 0.203 S 0.026(MAX) 0.660 (MAX) y 0.004(MAX) 0.101(MAX Θ 0 -10 0 Alliance Memory Inc. AS6C2008 MM(REF) o -10 Page ...

Page 9

... D 0.724 ± 0.004 18.40 ± 0.10 E 0.315 ± 0.004 8.00 ± 0.10 e 0.020 (TYP) 0.50 (TYP) HD 0.787 ± 0.008 20.00 ± 0.20 L 0.0197 ± 0.004 0.50 ± 0.10 L1 0.0315 ± 0.004 0.08 ± 0.10 y 0.003 (MAX) 0.076 (MAX Θ 0 ~ ~ 5 Alliance Memory Inc. AS6C2008 MM(REF) -0.03 o Page ...

Page 10

... L 0.0197 ± 0.004 0.50 ± 0.10 L1 0.0315 ± 0.004 0.8 ± 0.10 y 0.003 (MAX) 0.076 (MAX Θ 0 ~ ~ 5 Alliance Memory Inc. AS6C2008 12° (2x) y Seating Plane 12° (2X) SEATING PLANE 12° (2X) L1 "A" DETAIL VIEW MM(REF) o Page GAUGE PLANE 0 L ...

Page 11

... February 2007 Rev. 1.1 36 ball 6mm × 8mm TFBGA Package Outline Dimension 10/February/07, v.1.0 ® 256K X 8 BIT LOW POWER CMOS SRAM Alliance Memory Inc. AS6C2008 Page ...

Page 12

... X 8 BIT LOW POWER CMOS SRAM Package 2.7-3.6V 32pin 450mil SOP 2.7-3.6V 32pin TSOP mm) 2.7-3.6V 32pin sTSOP (8 x 13.4 mm) 2.7-3.6V 36pin TFBGA (6mm x 8mm) X Alliance Memory Inc. AS6C2008 Operating Speed Temp ns Industrial ~ -40ºC to 85º Industrial ~ -40ºC to 85º Industrial ~ -40ºC to 85º C ...

Page 13

... Alliance products in such life-supporting systems implies that the manufacturer assumes all risk of such use and agrees to indemnify Alliance against all claims arising from such use. 10/February/07, v.1.0 ® Alliance Memory Inc. AS6C2008 Copyright © Alliance Memory All Rights Reserved Part Number: AS6C2008 Document Version: v. 1.0 Page ...

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