UVEPROM
Austin Semiconductor, Inc.
512K UVEPROM
UV Erasable Programmable
Read-Only Memory
AVAILABLE AS MILITARY
SPECIFICATIONS
• SMD 5962-87648
• MIL-STD-883
• COTS-PEMS Version
SMJ27C512
AS27C512
PIN ASSIGNMENT
(Top View)
28-Pin DIP (J) 600-Mils
A15
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\/V
PP
A10
E\
DQ7
DQ6
DQ5
DQ4
DQ3
FEATURES
•
•
•
•
•
•
•
•
•
•
•
Organized 65,536 x 8
High-reliability MIL-PRF-38535 processing
Single +5V ±10% power supply
Pin-compatible with existing 512K read-only memories (ROMs)
and electrically programmable ROMs (EPROMs)
All inputs/outputs fully TTL compatible
Power-saving CMOS technology
Very high-speed SNAP! Pulse Programming
3-state output buffers
400mV minimum DC noise immunity with standard TTL loads
Latchup immunity of 250mA on all input and output lines
Low power dissipation (CMOS input levels)
-Active - 193mW (MAX)
-Standby - 1.7mW (MAX)
32-Pin LCC (ECA)
(450 x 550 mils)
A7
A12
A12
A14
6
A10
A15
NC
NC
V
CC
V
CC
A15
A14
CE2
A13
4 3 2 1 32 31 30
OPTIONS
•
Timing
120ns access
150ns access
200ns access
250ns access
MARKING
-12
-15
-20
-25
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\ /V
PP
A11
24
A10
\
OE
23
E\
A10
22
DQ7
\
CE1
21
DQ6
DQ8
14 15 16 17 18 19 20
• Package(s)
Ceramic DIP (600mils)
Ceramic LCC (450 x 550 mils)
• Operating Temperature Ranges
Military (-55
o
C to +125
o
C)
Industrial (-40°C to +85°C)
J
ECA
No. 110
No. 208
Pin Name
A0 - A15
DQ0-DQ7
E\
GND
G\ /V
PP
Function
Address Inputs
Inputs (programming)/Outputs
Chip Enable/Power Down
Ground
Output Enable/13V Programming
5V Power Supply
M
I
For more products and information
please visit our web site at
www.austinsemiconductor.com
V
CC
SMJ27C512/AS27C512
Rev. 2.5 10/03
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.
1
DQ1
DQ2
DQ2
DQ3
V
SS
GND
DQ4
NC
DQ5
DQ3
DQ6
DQ4
DQ7
DQ5
MICROSS [ MICROSS COMPONENTS ]
