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27C512A Datasheet

  • 27C512A

  • 512K (64K x 8) CMOS EPROM

  • Microchip   Microchip

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27C512A
512K (64K x 8) CMOS EPROM
FEATURES
鈥?High speed performance
鈥?CMOS Technology for low power consumption
- 25 mA Active current
- 30
碌
A Standby current
鈥?Factory programming available
鈥?Auto-insertion-compatible plastic packages
鈥?Auto ID aids automated programming
鈥?High speed express programming algorithm
鈥?Organized 64K x 8: JEDEC standard pinouts
- 28-pin Dual-in-line package
- 32-pin PLCC Package
- 28-pin SOIC package
- 28-pin TSOP package
- 28-pin VSOP package
- Tape and reel
鈥?Data Retention > 200 years
鈥?Available for the following temperature ranges
- Commercial:
0藲C to +70藲C
- Industrial:
-40藲C to +85藲C
- Automotive:
-40藲C to +125藲C
PACKAGE TYPES
TSOP
OE/V
PP
A11
A9
A8
A13
A14
V
CC
A15
A12
A7
A6
A5
A4
A3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
A10
CE
D7
D6
D5
D4
D3
V
SS
D2
D1
D0
A0
A1
A2
27C512A
4
3
2
1
32
31
30
A7
A12
A15
NU
Vcc
A14
A13
PLCC
A6
A5
A4
A3
A2
A1
A0
NC
O0
5
6
29
28
8
9
10
11
12
13
14
15
27C512A
7
27
26
25
24
23
22
21
A8
A9
A11
NC
OE/V
PP
A10
CE
O7
O6
16
17
18
19
DIP/SOIC
A15
A12
A7
A6
A5
A4
A3
A2
A1
A0
O0
O1
O2
V
SS
O1
O2
V
SS
NU
O3
O4
O5
DESCRIPTION
The Microchip Technology Inc. 27C512A is a CMOS
512K bit electrically Programmable Read Only Memory
(EPROM). The device is organized into 64K words by
8 bits (64K bytes). Accessing individual bytes from an
address transition or from power-up (chip enable pin
going low) is accomplished in less than 90 ns. This
very high speed device allows the most sophisticated
microprocessors to run at full speed without the need
for WAIT states. CMOS design and processing enables
this part to be used in systems where reduced power
consumption and high reliability are requirements.
A complete family of packages is offered to provide the
most 鏗俥xibility in applications. For surface mount appli-
cations, PLCC, VSOP, TSOP or SOIC packaging is
available. Tape or reel packaging is also available for
PLCC or SOIC packages.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
20
V
CC
A14
A13
A8
A9
A11
OE/V
PP
A10
CE
O7
O6
O5
O4
O3
VSOP
OE/V
PP
A11
A9
A8
A13
A14
V
CC
A15
A12
A7
A6
A5
A4
A3
22
23
24
25
26
27
28
1
2
3
4
5
6
7
21
20
19
18
17
16
15
14
13
12
11
10
9
8
A10
CE
O7
O6
O5
O4
O3
V
SS
O2
O1
O0
A0
A1
A2
27C512A
漏
1996 Microchip Technology Inc.
27C512A
DS11173E-page 1
This document was created with FrameMaker 4 0 4

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