AS8SF384K32 Datasheet, PDF (1/14 Pages) Austin Semiconductor – 128K x 16 SRAM & 512K x 16 FLASH SRAM / FLASH MEMORY ARRAY

SRAM & FLASH
Mixed Module
Austin Semiconductor, Inc.
AS8SF384K32
128K x 16 SRAM &
512K x 16 FLASH
SRAM / FLASH MEMORY ARRAY
PIN ASSIGNMENT
(Top View)
68 Lead CQFP (QT)
FEATURES
• Operation with single 5V supply
• High speed: 35ns SRAM, 90ns FLASH
• Built in decoupling caps and multiple ground pins for low
noise
• Organized as 128K x 16 SRAM and 512K x 16 FLASH
• Low power CMOS
• TTL Compatible Inputs and Outputs
• Both blocks of memory are user configurable as 256K x 8
FLASH MEMORY FEATURES
• Operation with single 5V (±10%)
• Eight equal sectors of 64K bytes
• Any combination of sectors can be concurrently
erased
• Supports full chip erase
• Embedded erase and program algorithms
• 20,000 program/erase cycles
• Hardware write protection
SSSSIIII////OOOO₀₁₂
SI/O³⁴
SI/O
SSGIIN//OOD⁵⁶⁷
SSSIII///OOO₈₉
SI/O¹⁰
SI/
SI/
SI/
SI/
O
O
O
O
11
12
13
14
15
FI/O₀
FI/O₁
FI/O₂
FI/O₃
FI/O₄
FI/O₅
FI/O₆
FI/O₇
GND
FI/O₈
FI/O₉
FI/O₁₀
FI/O₁₁
FI/O₁₂
FI/O₁₃
FI/O₁₄
FI/O₁₅
OPTIONS
MARKINGS
• Operating Temperature Ranges
Military (-55^oC to +125^oC) XT
Industrial (-40^oC to +85^oC) IT
• Timing
SRAM FLASH
35ns
90ns
-35
• Package
Ceramic Quad Flatpack
QT
PIN DESCRIPTION
PIN
A _0-18
SI/O _0-15
FI/O _0-15
OE\
SWE\ _1-2
FWE\ _1-2
SCS\ _1-2
FCS\ _1-2
V_CC
GND
NC
FUNCTION
Address Inputs
SRAM Data Input / Outputs
FLASH Data Input / Outputs
Output Enable
SRAM Write Enables
FLASH Write Enables
SRAM Chip Selects
FLASH Chip Selects
Power Supply
Ground
No Connect
GENERAL DESCRIPTION
The Austin Semiconductor, Inc. AS8SF384K32 is a 2 MEG CMOS SRAM and 8 MEG CMOS FLASH Module organized as
128K x 16 (SRAM) and 512K x 16 (FLASH). These devices achieve high speed access, low power consumption and high reliability by
employing advanced CMOS memory technology.
For more detailed information regarding the FLASH internal operations, programming, command definitions and functional
descriptions, please see the AS8F512K32 data sheet located on our website at www.austinsemiconductor.com
AS8SF384K32
Rev. 1.2 06/05
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.
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