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參數(shù)資料
| 型號(hào)： | 27C256-90VS |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | 256K (32K x 8) CMOS EPROM |
| 中文描述： | 256K（32K的× 8）的CMOS存儲(chǔ)器 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 67K |
| 代理商： | 27C256-90VS |
1996 Microchip Technology Inc.
DS11001L-page 1
27C256
FEATURES
High speed performance
- 90 ns access time available
CMOS Technology for low power consumption
- 20 mA Active current
- 100
μ
A Standby current
Factory programming available
Auto-insertion-compatible plastic packages
Auto ID aids automated programming
Separate chip enable and output enable controls
High speed “express” programming algorithm
Organized 32K x 8: JEDEC standard pinouts
- 28-pin Dual-in-line package
- 32-pin PLCC Package
- 28-pin SOIC package
- 28-pin Thin Small Outline Package (TSOP)
- 28-pin Very Small Outline Package (VSOP)
- Tape and reel
Data Retention > 200 years
Available for the following temperature ranges:
- Commercial:
0C to +70C
- Industrial:
-40C to +85C
- Automotive:
-40C to +125C
DESCRIPTION
The Microchip Technology Inc. 27C256 is a CMOS
256K bit electrically Programmable Read Only Memory
(EPROM). The device is organized as 32K words by 8
bits (32K 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 micro-
processors 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 reliability are requirements.
A complete family of packages is offered to provide the
most flexibility in applications. For surface mount appli-
cations, PLCC, SOIC, VSOP or TSOP packaging is
available. Tape and reel packaging is also available for
PLCC or SOIC packages.
PACKAGE TYPES
TSOP
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
V
PP
A12
A7
A6
A5
A4
A3
A2
A1
A0
O0
O1
O2
V
SS
V
CC
A14
A13
A8
A9
A11
OE
A10
CE
O7
O6
O5
O4
O3
OE
A11
A9
A8
A13
A14
V
CC
V
PP
A12
A7
A6
A5
A4
A3
A10
CE
D7
D6
D5
D4
D3
V
SS
D2
D1
D0
A0
A1
A2
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
A6
A5
A4
A3
A2
A1
A0
NC
O0
A8
A9
A11
NC
OE
A10
CE
O7
O6
A
A
V
N
V
A
A
O
O
V
N
O
O
O
P
S
5
6
7
8
9
10
11
12
13
29
28
27
26
25
24
23
22
21
1
1
1
1
1
1
2
4
3
2
1
3
3
3
A10
CE
O7
O6
O5
O4
O3
21
20
19
18
17
16
15
V
SS
O2
O1
O0
A0
A1
A2
14
13
12
11
10
9
8
OE
A11
A9
A8
A13
A14
V
CC
22
23
24
25
26
27
28
V
PP
A12
A7
A6
A5
A4
A3
1
2
3
4
5
6
7
PLCC
DIP/SOIC
VSOP
2
2
2
2
256K (32K x 8) CMOS EPROM
This document was created with FrameMaker 4 0 4
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相關(guān)代理商/技術(shù)參數(shù) |
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| 27C256A | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:256K-bit CMOS EPROM (32K x 8) |
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| 27C256A12N | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:256K-bit CMOS EPROM (32K x 8) |
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