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XM28C020-15 fiches techniques PDF

Xicor Inc. - 5 Volt/ Byte Alterable E2PROM

Numéro de référence XM28C020-15
Description 5 Volt/ Byte Alterable E2PROM
Fabricant Xicor Inc. 
Logo Xicor Inc. 





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XM28C020-15 fiche technique
XM28C020
2 Megabit Module
XM28C020
5 Volt, Byte Alterable E2PROM
256K x 8 Bit
TYPICAL FEATURES
High Density 2 Megabit (256K x 8) Module
Access Time of 150ns at –55°C to +125°C
Base Memory Component: Xicor X28C513
Pinout conforms to JEDEC Standard for
2 Megabit E2PROM
Fast Write Cycle Times
—128 Byte Page Write
—Byte or Page Write Cycle: 5ms Typical
—Complete Memory Rewrite: 10 Seconds
Early End of Write Detection
DATA Polling
—Toggle Bit Polling
Software Data Protection
Three Temperature Ranges
—Commercial: 0°C to +75°C
—Industrial: –40° to +85°C
—Military: –55° to +125°C
High Rel Module
—100% MIL-STD-883 Compliant Components
Endurance: 100,000 Cycles
FUNCTIONAL DIAGRAM
X28C513
A0–A15
I/O0–I/O7
OE
WE
CE
A0–A15
I/O0–I/O7
OE
WE
CE
A16
A17
X28C513
A0–A15
I/O0–I/O7
OE
WE
CE
© Xicor, Inc. 1991, 1995, 1996 Patents Pending
3872-1.9 6/18/97 T1/C0/D0 SH
DESCRIPTION
The XM28C020 is a high density 2 Megabit E2PROM
comprised of four X28C513 LCCs 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 XM28C020 is configured 256K x 8 bit. The module
supports a 128-byte page write operation. This com-
bined with DATA Polling or Toggle Bit Polling, effectively
provides a 39µs/byte write cycle, enabling the entire
array to be rewritten in 10 seconds.
The XM28C020 provides the same high endurance and
data retention as the X28C513.
X28C513
A0–A15
I/O0–I/O7
OE
WE
CE
X28C513
A0–A15
I/O0–I/O7
OE
WE
CE
PIN CONFIGURATION
NC
A16
A15
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O0
I/O1
I/O2
VSS
1 32
2 31
3 30
4 29
5 28
6 27
7 26
8 25
XM28C020
9 24
10 23
11 22
12 21
13 20
14 19
15 18
16 17
VCC
WE
A17
A14
A13
A8
A9
A11
OE
A10
CE
I/O7
I/O6
I/O5
I/04
I/O3
3872 FHD F01
1
3872 FHD F02
Characteristics subject to change without notice

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