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AS27C256-15ECAXT

Description
UVPROM, 32KX8, 150ns, CMOS, CQCC32, 0.450 X 0.550 INCH, CERAMIC, LCC-32
Categorystorage    storage   
File Size285KB,13 Pages
ManufacturerMicross
Websitehttps://www.micross.com
Download Datasheet Parametric View All

AS27C256-15ECAXT Overview

UVPROM, 32KX8, 150ns, CMOS, CQCC32, 0.450 X 0.550 INCH, CERAMIC, LCC-32

AS27C256-15ECAXT Parametric

Parameter NameAttribute value
Parts packaging codeQFJ
package instruction0.450 X 0.550 INCH, CERAMIC, LCC-32
Contacts32
Reach Compliance Codecompli
ECCN codeEAR99
Maximum access time150 ns
I/O typeCOMMON
JESD-30 codeR-CQCC-N32
length13.97 mm
memory density262144 bi
Memory IC TypeUVPROM
memory width8
Number of functions1
Number of terminals32
word count32768 words
character code32000
Operating modeASYNCHRONOUS
Maximum operating temperature125 °C
Minimum operating temperature-55 °C
organize32KX8
Output characteristics3-STATE
Package body materialCERAMIC, METAL-SEALED COFIRED
encapsulated codeQCCN
Encapsulate equivalent codeLCC32,.45X.55
Package shapeRECTANGULAR
Package formCHIP CARRIER
Parallel/SerialPARALLEL
power supply5 V
Programming voltage12.5 V
Certification statusNot Qualified
Maximum seat height3.048 mm
Maximum standby current0.0003 A
Maximum slew rate0.025 mA
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)4.5 V
Nominal supply voltage (Vsup)5 V
surface mountYES
technologyCMOS
Temperature levelMILITARY
Terminal formNO LEAD
Terminal pitch1.27 mm
Terminal locationQUAD
width11.43 mm
Base Number Matches1
UVEPROM
Austin Semiconductor, Inc.
256K UVEPROM
UV Erasable Programmable
Read-Only Memory
AVAILABLE AS MILITARY
SPECIFICATIONS
• -55C to 125C operation
• MILITARY Processing Method MIL-PRF-38535, Class Q
• Commercial Version Available
AS27C256
PIN ASSIGNMENT
(Top View)
28-Pin DIP (J)
(600 MIL)
V
PP
A12
A7
A6
A5
A4
A3
A2
A1
A0
DQ0
DQ1
DQ2
GND
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
Vcc
A14
A13
A8
A9
A11
G\
A10
E\
DQ7
DQ6
DQ5
DQ4
DQ3
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
32-Pin LCC (ECA)
(450 x 550 mils)
A7
A12
A12
A14
6
A10
V
PP
NC
NC
V
CC
V
CC
A15
A14
CE2
A13
4 3 2 1 32 31 30
OPTIONS
• Timing
120ns access
150ns access
170ns access
200ns access
250ns access
300ns access
55ns access
70ns access
90ns access
MARKING
-12
-15
-17
-20
-25
-30
-55
-70
-90
A6
5
A7
A5
6
A6
A4
7
A5
A3
8
A4
A2
9
A3
A2 10
A1
A1 11
A0
A0 12
NC
DQ1 13
DQ0
29
A8
\
WE
28
A9
A13
27
A11
A8
26
NC
A9
25
G\
A11
24
A10
\
OE
23
E\
A10
22
DQ7
\
CE1
21
DQ6
DQ8
14 15 16 17 18 19 20
Pin Name
Pin
A14
A0 -
Name
DQ0-DQ7
E\
G\
GND
V
CC
Address
Inputs (programming)/Outputs
Chip Enable/Power Down
Output Enable
Ground
5V Supply
13V Programming Power Supply
• Package(s)
Ceramic DIP (600mils) J
No. 110
Ceramic LCC (450 x 550 mils) ECA No. 208
• Processing / Operating Temperature Ranges
Full Military (-55
o
C to +125
o
C)
M
Industrial (-40°C to +85°C)
I
o
o
Military Temp (-55 C to +125 C) XT
V
PP
For more products and information
please visit our web site at
www.austinsemiconductor.com
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.
AS27C256
Rev. 2.0 7/06
1
DQ1
DQ2
DQ2
DQ3
V
SS
GND
DQ4
NC
DQ5
DQ3
DQ6
DQ4
DQ7
DQ5
Function
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