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參數(shù)資料
| 型號： | X88C64P |
| 英文描述： | E2 Micro-Peripheral |
| 中文描述： | E2微型外設 |
| 文件頁數(shù)： | 1/14頁 |
| 文件大小： | 71K |
| 代理商： | X88C64P |
X88C64
1
Xicor, Inc. 1994, 1995, 1996 Patents Pending
3867-1.5 7/9/96 T0/C2/D0 NS
Characteristics subject to change without notice
E
2
Micro-Peripheral
3867 FHD F02
CONCURRENT READ WRITE
is a trademark of Xicor, Inc.
DESCRIPTION
The X88C64 is an 8K x 8 E
2
PROM fabricated with
advanced CMOS Textured Poly Floating Gate Tech-
nology. The X88C64 features a Multiplexed Address
and Data bus allowing a direct interface to a variety of
popular single-chip microcontrollers operating in ex-
panded multiplexed mode without the need for addi-
tional interface circuitry.
The X88C64 is internally configured as two indepen-
dent 4K x 8 memory arrays. This feature provides the
ability to perform nonvolatile memory updates in one
array and continue operation out of code stored in the
other array; effectively eliminating the need for an
auxiliary memory device for code storage.
To write to the X88C64, a three-byte command
sequence must precede the byte(s) being written. The
X88C64 also provides a second generation software
data protection scheme called Block Protect. Block
Protect can provide write lockout of the entire device
or selected 1K blocks. There are eight 1K x 8 blocks
that can be write protected individually in any combi-
nation required by the user. Block Protect, in addition
to Write Control input, allows the different segments
of the memory to have varying degrees of alterability
in normal system operation.
FEATURES
CONCURRENT READ WRITE
—Dual Plane Architecture
—Isolates Read/Write Functions
Between Planes
—Allows Continuous Execution of Code
From One Plane While Writing in
the Other Plane
Multiplexed Address/Data Bus
—Direct Interface to Popular 8051 Family
High Performance CMOS
—Fast Access Time, 120ns
—Low Power
—60mA Active Maximum
—500
μ
A Standby Maximum
Software Data Protection
Block Protect Register
—Individually Set Write Lock Out in 1K Blocks
Toggle Bit Polling
—Early End of Write Detection
Page Mode Write
—Allows up to 32 Bytes to be Written in
One Write Cycle
High Reliability
—Endurance: 100,000 Write Cycle
—Data Retention: 100 Years
CONTROL
LOGIC
SOFTWARE
DATA
PROTECT
CE
WR
RD
PSEN
A8–A11
ALE
L
A
T
C
H
E
S
D
E
C
O
D
E
A12
A12
M
U
X
1K BYTES
1K BYTES
1K BYTES
1K BYTES
Y DECODE
I/O & ADDRESS LATCHES AND BUFFERS
A/D0–A/D7
WC
1K BYTES
1K BYTES
1K BYTES
1K BYTES
A12
X
FUNCTIONAL DIAGRAM
S L IC
64K
X88C64
8192 x 8 Bit
A
PPLICATION
N
OTE
A V A I L A B L E
AN63
相關PDF資料 |
PDF描述 |
|---|---|
| X88C64PI | E2 Micro-Peripheral |
| X88C64PM | E2 Micro-Peripheral |
| X88C64PMB | E2 Micro-Peripheral |
| X88C64SI | E2 Micro-Peripheral |
| X88C64SM | E2 Micro-Peripheral |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| X88C64PI | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:E2 Micro-Peripheral |
| X88C64PM | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:E2 Micro-Peripheral |
| X88C64PMB | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:E2 Micro-Peripheral |
| X88C64S | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:E2 Micro-Peripheral |
| X88C64SI | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:E2 Micro-Peripheral |
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