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XM28C040I-20 Datasheet

  • XM28C040I-20

  • 5 Volt, Byte Alterable E2PROM

  • 17頁(yè)

  • XICOR   XICOR

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XM28C040
4 Megabit Module
XM28C040
5 Volt, Byte Alterable E
2
PROM
DESCRIPTION
512K x 8 Bit
TYPICAL FEATURES
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鈥?/div>
鈥?/div>
鈥?/div>
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High Density 4 Megabit (512K x 8) Module
Access Time of 200ns at 鈥?5
擄
C to +125
擄
C
Base Memory Component: Xicor X28C010
Pinout Conforms to JEDEC Standard for
4 Megabit E
2
PROM
Fast Write Cycle Times
鈥?56 Byte Page Write
Early End of Write Detection
鈥擠ATA Polling
鈥擳oggle Bit Polling
Software Data Protection
Three Temperature Ranges
鈥擟ommercial: 0
擄
C to +75
擄
C
鈥擨ndustrial: 鈥?0
擄
to +85
擄
C
鈥擬ilitary: 鈥?5
擄
to +125
擄
C
High Rel Modules all Components are
MIL-STD-883 Compliant
Endurance: 100,000 Cycles
The XM28C040 is a high density 4 Megabit E
2
PROM
comprised of four X28C010's mounted on a co-fired
multilayered ceramic substrate. Individual components
are 100% tested prior to assembly in module form and
then 100% tested after assembly.
The XM28C040 is configured 512K x 8 bit. The module
supports a 256-byte page write operation. This com-
bined with
DATA
Polling or Toggle Bit Polling, effectively
provides a 39碌s/byte write cycle, enabling the entire
array to be rewritten in 10 seconds.
The XM28C040 provides the same high endurance and
data retention as the X28C010.
FUNCTIONAL DIAGRAM
X28C010
A0鈥揂16
I/O0鈥揑/O7
OE
WE
CE
X28C010
A0鈥揂16
I/O0鈥揑/O7
OE
WE
CE
PIN CONFIGURATION
A18
A16
A15
A12
A7
A6
A5
A4
A3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
XM28C040
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
VCC
WE
A17
A14
A13
A8
A9
A11
OE
A10
CE
I/O7
I/O6
I/O5
I/04
I/O3
A0鈥揂16
I/O0鈥揑/O7
OE
WE
CE
A18
A17
X28C010
A0鈥揂16
I/O0鈥揑/O7
OE
WE
CE
X28C010
A0鈥揂16
I/O0鈥揑/O7
OE
WE
CE
A2
A1
A0
I/O0
I/O1
I/O2
VSS
3873 FHD F02
3873 FHD F01
漏 Xicor, Inc. 1991-1997 Patents Pending
3873-1.7 6/13/97 T1/C0/D0 SH
1
Characteristics subject to change without notice

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