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PDF EDI88512C Fiche technique - Microsemi

Numéro de référence EDI88512C
Description 512Kx8 Monolithic SRAM
Fabricant Microsemi 
Logo Microsemi Logo 

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EDI88512C Datasheet, Description
EDI88512C
512Kx8 Monolithic SRAM, CMOS
FEATURES
 512Kx8 bit CMOS Static
 Random Access Memory
• Access Times of 70, 85, 100ns
• Data Retention Function (LP version)
• TTL Compatible Inputs and Outputs
• Fully Static, No Clocks
 32 lead JEDEC Approved Evolutionary Pinout
• Ceramic Sidebrazed 600 mil DIP (Package 9)
• Ceramic SOJ (Package 140)
 Single +5V (±10%) Supply Operation
The EDI88512C is a 4 megabit Monolithic CMOS Static RAM.
The 32 pin DIP pinout adheres to the JEDEC evolutionary standard
for the four megabit device. Both the DIP and CSOJ packages
are pin for pin upgrades for the single chip enable 128K x 8, the
EDI88128C. Pins 1 and 30 become the higher order addresses.
A Low Power version with Data Retention (EDI88512LP) is also
available for battery backed applications. Military product is
available compliant to Appendix A of MIL-PRF-38535.
* This product is subject to change without notice.
FIGURE 1 – PIN CONFIGURATION
32 PIN
TOP VIEW
A18 1
A16 2
A14 3
A12 4
A7 5
A6 6
A5 7
A4 8
A3 9
A2 10
A1 11
A0 12
I/O0 13
I/O1 14
I/O2 15
Vss 16
32 pin
Evolutionary
32 Vcc
31 A15
30 A17
29 WE#
28 A13
27 A8
26 A9
25 A11
24 OE#
23 A10
22 CS#
21 I/O7
20 I/O6
19 I/O5
18 I/O4
17 I/O3
I/O0-7
A0-18
WE#
CS#
OE#
VCC
VSS
NC
PIN DESCRIPTION
Data Inputs/Outputs
Address Inputs
Write Enables
Chip Selects
Output Enable
Power (+5V ±10%)
Ground
Not Connected
A0-18
WE#
CS#
OE#
BLOCK DIAGRAM
Memory Array
Address
Buffer
Address
Decoder
I/O
Circuits
I/O0-7
Microsemi Corporation reserves the right to change products or specications without notice.
May 2014 © 2014 Microsemi Corporation. All rights reserved.
Rev. 13
1
Microsemi Corporation • (602) 437-1520 • www.microsemi.com/pmgp
EDI88512C Fiche technique
EDI88512C
Parameter
Read Cycle Time
Address Access Time
Chip Enable Access Time
Chip Enable to Output in Low Z (1)
Chip Disable to Output in High Z (1)
Output Hold from Address Change
Output Enable to Output Valid
Output Enable to Output in Low Z (1)
Output Disable to Output in High Z(1)
1. This parameter is guaranteed by design but not tested.
AC CHARACTERISTICS – READ CYCLE
VCC = 5.0V, Vss = 0V, -55°C TA +125°C
Symbol
70ns
85ns
JEDEC
Alt.
Min
Max
Min
Max
tAVAV
tRC
70
85
tAVQV
tAA
70
85
tELQV
tACS
70
85
tELQX
tCLZ
10
10
tEHQZ
tCHZ
25
30
tAVQX
tOH
10
10
tGLQV
tOE
35
45
tGLQX
tOLZ
5
5
tGHQZ
tOHZ
0
25
0
30
100ns
Min Max
100
100
100
10
30
10
50
5
0 30
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
Parameter
Write Cycle Time
Chip Enable to End of Write
Address Setup Time
Address Valid to End of Write
Write Pulse Width
Write Recovery Time
Data Hold Time
Write to Output in High Z (1)
Data to Write Time
Output Active from End of Write (1)
1. This parameter is guaranteed by design but not tested.
AC CHARACTERISTICS – WRITE CYCLE
VCC = 5.0V, VSS = 0V, -55°C TA +125°C
Symbol
JEDEC
Alt.
tAVAV
tWC
tELWH
tELEH
tAVWL
tAVEL
tAVWH
tAVEH
tCW
tCW
tAS
tAS
tAW
tAW
tWLWH
tWLEH
tWP
tWP
tWHAX
tEHAX
tWHDX
tEHDX
tWLQZ
tDVWH
tDVEH
tWHQX
tWR
tWR
tDH
tDH
tWHZ
tDW
tDW
tWLZ
70ns
Min Max
70
60
60
0
0
65
65
50
50
0
0
0
0
0 25
40
30
5
85ns
Min Max
85
70
70
0
0
70
70
55
55
0
0
0
0
0 30
40
35
0
100ns
Min Max
100
80
80
0
0
80
80
60
60
0
0
0
0
0 30
40
40
0
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Microsemi Corporation reserves the right to change products or specications without notice.
May 2014 © 2014 Microsemi Corporation. All rights reserved.
Rev. 13
3
Microsemi Corporation • (602) 437-1520 • www.microsemi.com/pmgp

3 Page

EDI88512C pdf
PACKAGE 9: 32 LEAD SIDEBRAZED CERAMIC DIP
1.616
1.584
Pin 1 Indicator
0.200
0.125
0.061
0.017
0.020
0.016
15 x 0.100 = 1.500
0.060
0.040
0.155
0.100 0.115
TYP
ALL DIMENSIONS ARE IN INCHES
0.620
0.600
0.600
NOM
EDI88512C
PACKAGE 140: 32 LEAD CERAMIC SOJ
0.010
0.006
0.840
0.820
0.019
0.015
0.444
0.430
0.155
0.106
0.379
ALL DIMENSIONS ARE IN INCHES
0.050
TYP
Microsemi Corporation reserves the right to change products or specications without notice.
May 2014 © 2014 Microsemi Corporation. All rights reserved.
Rev. 13
6
Microsemi Corporation • (602) 437-1520 • www.microsemi.com/pmgp

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