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参数资料
| 型号： | AS27C256-20ECAM |
| 厂商： | AUSTIN SEMICONDUCTOR INC |
| 元件分类： | PROM |
| 英文描述： | 32K X 8 UVPROM, 200 ns, CQCC32 |
| 封装： | 0.450 X 0.550 INCH, CERAMIC, LCC-32 |
| 文件页数： | 1/13页 |
| 文件大小： | 286K |
| 代理商： | AS27C256-20ECAM |
UVEPROM
AS27C256
AS27C256
Rev. 2.0 7/06
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.
1
Austin Semiconductor, Inc.
FEATURES
Organized 32,768 x 8
Single +5V ±10% power supply
Pin-compatible with existing 256K ROM’s and EPROM’s
All inputs/outputs fully TTL compatible
Power-saving CMOS technology
Very high-speed FLASHRITE Pulse Programming
3-state output buffers
400-mV DC assured noise immunity with standard TTL
loads
Latchup immunity of 250 mA on all input and output pins
Low power dissipation (CMOS Input Levels)
-Active - 165mW Worst Case
-Standby - 1.7mW Worst Case (CMOS-input levels)
* FUTURE High Speed Offerings: 55ns, 70ns, 90ns
OPTIONS
MARKING
Timing
120ns access
-12
150ns access
-15
170ns access
-17
200ns access
-20
250ns access
-25
300ns access
-30
55ns access
-55
70ns access
-70
90ns access
-90
Package(s)
Ceramic DIP (600mils)
J
No. 110
Ceramic LCC (450 x 550 mils) ECA No. 208
Processing / Operating Temperature Ranges
Full Military (-55oC to +125oC)
M
Industrial (-40°C to +85°C)
I
Military Temp (-55oC to +125oC)
XT
PIN ASSIGNMENT
(Top View)
AVAILABLE AS MILITARY
SPECIFICATIONS
-55C to 125C operation
MILITARY Processing Method MIL-PRF-38535, Class Q
Commercial Version Available
28-Pin DIP (J)
(600 MIL)
256K UVEPROM
UV Erasable Programmable
Read-Only Memory
For more products and information
please visit our web site at
www.austinsemiconductor.com
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7
8
9
10
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12
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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
DQ0
DQ1
DQ2
GND
Vcc
A14
A13
A8
A9
A11
G\
A10
E\
DQ7
DQ6
DQ5
DQ4
DQ3
32-Pin LCC (ECA)
(450 x 550 mils)
Pin Name
Function
4 3 2 1 32 31 30
A12
A14
A10
NC
V
CC
A15
CE2
14 15 16 17 18 19 20
DQ2
DQ3
V
SS
DQ4
DQ5
DQ6
DQ7
5
6
7
8
9
10
11
12
13
A7
A6
A5
A4
A3
A2
A1
A0
DQ1
29
28
27
26
25
24
23
22
21
WE
A13
A8
A9
A11
OE
A10
CE1
DQ8
\
6
\
A7
A12
V
PP
NC
V
CC
A14
A13
A6
A5
A4
A3
A2
A1
A0
NC
DQ0
DQ1
DQ2
GND
NC
DQ3
DQ4
DQ5
A8
A9
A11
NC
G\
A10
E\
DQ7
DQ6
Pin Name
Function
A0 - A14 Address Inputs
DQ0-DQ7 Inputs (programming)/Outputs
E\
Chip Enable/Power Down
G\
Output Enable
GND
Ground
VCC
5V Supply
VPP
13V Programming Power Supply
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AS27C256-20ECAXT | 制造商:AUSTIN 制造商全称:Austin Semiconductor 功能描述:256K UVEPROM UV Erasable Programmable Read-Only Memory |
| AS27C256-20JI | 制造商:AUSTIN 制造商全称:Austin Semiconductor 功能描述:256K UVEPROM UV Erasable Programmable Read-Only Memory |
| AS27C256-20JM | 制造商:AUSTIN 制造商全称:Austin Semiconductor 功能描述:256K UVEPROM UV Erasable Programmable Read-Only Memory |
| AS27C256-20JXT | 制造商:AUSTIN 制造商全称:Austin Semiconductor 功能描述:256K UVEPROM UV Erasable Programmable Read-Only Memory |
| AS27C256-25/IT | 制造商:Micross Components, Inc. 功能描述:UVEPROM,256KB - Rail/Tube |
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