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Numéro de référence | X28C512PMB-15 | ||
Description | 5 Volt/ Byte Alterable E2PROM | ||
Fabricant | Xicor | ||
Logo | |||
X28C512/X28C513
512K
X28C512/X28C513
5 Volt, Byte Alterable E2PROM
64K x 8 Bit
FEATURES
• Access Time: 90ns
• Simple Byte and Page Write
—Single 5V Supply
— No External High Voltages or VPP Control
Circuits
—Self-Timed
—No Erase Before Write
—No Complex Programming Algorithms
—No Overerase Problem
• Low Power CMOS:
—Active: 50mA
—Standby: 500µA
• Software Data Protection
—Protects Data Against System Level
Inadvertant Writes
• High Speed Page Write Capability
• Highly Reliable Direct Write™ Cell
—Endurance: 100,000 Write Cycles
—Data Retention: 100 Years
• Early End of Write Detection
—DATA Polling
—Toggle Bit Polling
• Two PLCC and LCC Pinouts
—X28C512
—X28C010 E2PROM Pin Compatible
—X28C513
—Compatible with Lower Density E2PROMs
DESCRIPTION
The X28C512/513 is an 64K x 8 E2PROM, fabricated
with Xicor’s proprietary, high performance, floating gate
CMOS technology. Like all Xicor programmable non-
volatile memories the X28C512/513 is a 5V only device.
The X28C512/513 features the JEDEC approved pinout
for bytewide memories, compatible with industry stan-
dard EPROMS.
The X28C512/513 supports a 128-byte page write op-
eration, effectively providing a 39µs/byte write cycle and
enabling the entire memory to be written in less than 2.5
seconds. The X28C512/513 also features DATA Polling
and Toggle Bit Polling, system software support schemes
used to indicate the early completion of a write cycle. In
addition, the X28C512/513 supports the Software Data
Protection option.
PIN CONFIGURATIONS
PLASTIC DIP
CERDIP
FLAT PACK
SOIC (R)
NC
NC
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
X28C512
9 24
10 23
11 22
12 21
13 20
14 19
15 18
16 17
VCC
WE
NC
A14
A13
A8
A9
A11
OE
A10
CE
I/O7
I/O6
I/O5
I/04
I/O3
3856 FHD F01
A11
A9
A8
A13
A14
NC
NC
NC
WE
VCC
NC
NC
NC
NC
A15
A12
A7
A6
A5
A4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
TSOP
X28C512
40 OE
39 A10
38 CE
37 I/O7
36 I/O6
35 I/O5
34 I/O4
33 I/O3
32 NC
31 NC
30 VSS
29 NC
28 NC
27 I/O2
26 I/O1
25 I/O0
24 A0
23 A1
22 A2
21 A3
PGA
I/O0 I/O2 I/O3 I/O5 I/O6
15 17 19 21 22
A1 A0 I/O1 VSS I/O4 I/O7 CE
13 14 16 18 20 23 24
A2 A3
12 11
A10 OE
25 26
A4
10
A6
8
A5
9
A7
7
BOTTOM
VIEW
A11 A9
27 28
A8 A13
29 30
A12 A15 NC VCC NC NC A14
6 5 2 36 34 32 31
NC NC NC WE NC
4 3 1 35 33
3856 ILL F22
3856 FHD F02
PLCC / LCC
30
A7
A6
5 4 3 2 32 31 29
6 1 28
A14
A13
A5 7
27 A8
A4
A3
8 26
9
X28C512
(TOP VIEW)
25
A9
A11
A2 10
24 OE
A1 11
23 A10
A0 12
22 CE
I/O0
13
14
15 16 17 18 19 20 21
I/O7
3856 FHD F03
30
A6
A5
5 4 3 2 32 31 29
6 1 28
A8
A9
A4 7
27 A11
A3
A2
8 26
9
X28C513
(TOP VIEW)
25
NC
OE
A1 10
24 A10
A0 11
23 CE
NC 12
22 I/O7
I/O0
13
14
15 16 17 18 19 20 21
I/O6
3856 FHD F04
© Xicor, Inc. 1991, 1995, 1996 Patents Pending
3856-3.2 8/5/97 T1/C0/D0 EW
1
Characteristics subject to change without notice
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Pages | Pages 25 | ||
Télécharger | [ X28C512PMB-15 ] |
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