WMS512K8-XXX
512Kx8 MONOLITHIC SRAM, SMD 5962-95613
FEATURES
Access Times 15, 17, 20, 25, 35, 45, 55ns
MIL-STD-883 Compliant Devices Available
Revolutionary, Center Power/Ground Pinout JEDEC
Approved
• 36 lead Ceramic SOJ (Package 100)
• 36 lead Ceramic Flat Pack (Package 226)
Evolutionary, Corner Power/Ground Pinout JEDEC
Approved
• 32 pin Ceramic DIP (Package 300)
• 32 lead Ceramic SOJ (Package 101)
• 32 lead Ceramic Thinpack™ Flat Pack (Package 321)
• 32 pin, Rectangular Ceramic Leadless Chip Carrier
(Package 601)
• Commercial, Industrial and Military Temperature Range
• 5V Power Supply
• Low Power CMOS
• Low Power Data Retention for Battery Back-up Operation
• TTL Compatible Inputs and Outputs
*This product is subject to change without notice.
REVOLUTIONARY PINOUT
36 FLAT PACK
36 CSOJ
TOP VIEW
A0
A1
A2
A3
A4
CS#
I/O0
I/O1
V
CC
V
SS
I/O2
I/O3
WE#
A5
A6
A7
A8
A9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
EVOLUTIONARY PINOUT
32 DIP
32 CSOJ (DE)
32 FLAT PACK (FF)
TOP VIEW
A12
32 CLCC
TOP VIEW
A14
A16
A18
A15
NC
A18
A17
A16
A15
OE#
I/O7
I/O6
V
SS
V
CC
I/O5
I/O4
A14
A13
A12
A11
A10
NC
A18
A16
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O0
I/O1
I/O2
V
SS
I/O1
I/O2
I/O3
I/O4
I/O5
PIN DESCRIPTION
A0-18
I/O 0-7
CS#
OE#
WE#
V
CC
GND
Address Inputs
Data Input/Output
Chip Select
Output Enable
Write Enable
+5.0V Power
Ground
Microsemi Corporation reserves the right to change products or specifications without notice.
April 2012
Rev. 13
© 2012 Microsemi Corporation. All rights reserved.
1
Microsemi Corporation • (602) 437-1520 • www.microsemi.com/pmgp
www.whiteedc.com
I/O6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
V
CC
A15
A17
WE#
A13
A8
A9
A11
OE#
A10
CS#
I/O7
I/O6
I/O5
I/O4
I/O3
4 3 2 1 32 31 30
A7
A6
A5
A4
A3
A2
A1
A0
I/O
0
5
29
6
28
7
27
8
26
9
25
10
24
11
23
12
22
13
21
14 15 16 17 18 19 20
V
SS
WE#
A13
A8
A9
A11
OE#
A10
CS#
I/O7
A17
V
CC
WMS512K8-XXX
Absolute Maximum Ratings
Parameter
Operating Temperature
Storage Temperature Range
Signal Voltage Range to GND
Junction Temperature
Supply Voltage Range (V
CC
)
Symbol
T
A
T
STG
V
G
T
J
V
CC
Min
-55
-65
-0.5
-0.5
Max
+125
+150
V
CC
+0.5
150
7.0
Unit
°C
°C
V
°C
V
CS#
H
L
L
L
OE#
X
L
X
H
WE#
X
H
L
H
Truth Table
MODE
Standby
Read
Write
Out Disable
DATA I/O
High Z
Data Out
Data In
High Z
POWER
Standby
Active
Active
Acvive
Recommended Operating Conditions
Parameter
Supply Voltage
Input High Voltage
Input Low Voltage
Operating Temp. (Mil)
Symbol
V
CC
V
IH
V
IL
T
A
Min
4.5
2.2
-0.3
-55
Max
5.5
V
CC
+ 0.3
+0.8
+125
Unit
V
V
V
°C
Capacitance
(T
A
= +25°C)
Parameter
Symbol
Conditions
Package
32 pin CSOJ, DIP, Flat Pack Evolutionary
Input capacitance
C
IN
V
IN
= 0 V, f = 1.0 MHz
32 pin CLCC
36 pin CSOJ & Flat Pack Revolutionary
32 pin CSOJ, DIP, Flat Pack Revolutionary
Output capacitance
C
OUT
V
OUT
= 0 V, f = 1.0 MHz
36 pin CSOJ & Flat Pack Revolutionary
Speed (ns)
15 to 55
15 to 55
15 to 35
45 to 55
15 to 55
15 to 35
45 to 55
Max
20
15
12
20
20
12
20
Unit
pF
pF
pF
pF
pF
pF
pF
This parameter is guaranteed by design but not tested.
DC Characteristics – CMOS Compatible
(V
CC
= 5.0V, GND = 0V, -55°C
≤
TA
≤
125°C)
Parameter
Input Leakage Current
Output Leakage Current
Operating Supply Current*
Standby Current
Output Low Voltage
Output High Voltage
Symbol
I
LI
I
LO
I
CC
I
SS
V
OL
V
OH
Conditions
V
CC
= 5.5, V
IN
= GND to V
CC
CS# = V
IH
, OE# = V
IH
, V
OUT
= GND TO V
CC
CS# = V
IL
, OE# = V
IH
, f = 5MHz, V
CC
= 5.5,
CS# = V
IH
, OE# = V
IH
, f = 5MHz, V
CC
= 5.5
I
OL
= 6mA for 17 - 35ns,
I
OL
= 2.1mA for 45 - 55ns, V
CC
= 4.5
I
OH
= -4.0mA for 17 - 35ns,
I
OH
= 1.0mA for 45 - 55ns, V
CC
= 4.5
Min
Max
10
10
160
0.45
0.4
Unit
μA
μA
mA
mA
V
V
2.4
Data retention characteristics for low power “l” version
Parameter
Data Retention Supply Voltage
Low Power Data Retention
Low Power Data Retention
Symbol
V
DR
I
CCDR1
I
CCDR2
Conditions
CS# V
CC
-0.2V
3
Min
2.0
Max
5.5
7
2
Unit
V
mA
mA
V
CC
= 3V
V
CC
= 2V
Microsemi Corporation reserves the right to change products or specifications without notice.
April 2012
Rev. 13
© 2012 Microsemi Corporation. All rights reserved.
2
Microsemi Corporation • (602) 437-1520 • www.microsemi.com/pmgp
www.whiteedc.com
WMS512K8-XXX
AC Characteristics
(V
CC
= 5.0V, GND = 0V, -55°C
≤
T
A
≤
125°C)
Parameter
Read Cycle Time
Address Access Time
Output Hold from Address Change
Chip Select Access Time
Output Enable to Output Valid
Chip Select to Output in Low Z
Output Enable to Output in Low Z
Chip Disable to Output in High Z
Output Disable to Output in High Z
Symbol
t
RC
t
AA
t
OH
t
ACS
t
OE
t
CLZ1
t
OLZ1
t
CHZ1
t
OHZ1
-15
Min
15
0
15
8
2
0
8
8
2
0
9
9
Max
15
0
17
9
2
0
10
10
Min
17
-17
Max
17
0
20
10
2
0
12
12
Min
20
-20
Max
20
0
25
12
4
0
15
15
Min
25
-25
Max
25
0
35
25
4
0
20
20
Min
35
-35
Max
35
0
45
25
4
0
20
20
Min
45
-45
Max
45
0
55
25
Min
55
-55
Max
55
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
AC Characteristics
(V
CC
= 5.0V, GND = 0V, -55°C
≤
T
A
≤
125°C)
Parameter
Write Cycle Time
Chip Select to End of Write
Address Valid to End of Write
Data Valid to End of Write
Write Pulse Width
Address Setup Time
Address Hold Time
Output Active from End of Write
Write Enable to Output in High Z
Data Hold Time
Symbol
t
WC
t
CW
t
AW
t
DW
t
WP
t
AS
t
AH
t
OW1
t
WHZ1
t
DH
-15
Min
15
13
13
8
13
2
0
2
0
Max
Min
17
14
14
9
14
2
0
2
0
-17
Max
Min
20
14
14
10
14
2
0
3
0
-20
Max
Min
25
15
15
10
15
2
0
4
0
-25
Max
Min
35
25
25
20
25
2
0
4
0
-35
Max
Min
45
35
35
25
35
2
5
5
0
-45
Max
Min
55
50
50
25
40
2
5
5
0
-55
Max
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
8
9
9
10
15
20
25
1. This parameter is guaranteed by design but not tested.
AC Test Circuit
AC Test Conditions
Parameter
Input Pulse Levels
Input Rise and Fall
Input and Output Reference Level
Output Timing Reference Level
Typ
V
IL
= 0, V
IH
= 3.0
5
1.5
1.5
Unit
V
ns
V
V
I
OL
Current Source
D.U.T.
C
eff
= 50 pF
V
Z
≈
1.5V
(Bipolar Supply)
NOTES:
V
Z
is programmable from -2V to +7V.
I
OL
& I
OH
programmable from 0 to 16mA.
Tester Impedance Z0 = 75
.
V
Z
is typically the midpoint of V
OH
and V
OL
.
I
OL
& I
OH
are adjusted to simulate a typical resistive load circuit.
ATE tester includes jig capacitance.
I
OH
Current Source
Microsemi Corporation reserves the right to change products or specifications without notice.
April 2012
Rev. 13
© 2012 Microsemi Corporation. All rights reserved.
3
Microsemi Corporation • (602) 437-1520 • www.microsemi.com/pmgp
www.whiteedc.com
WMS512K8-XXX
TIMING WAVEFORM – READ CYCLE
t
RC
ADDRESS
t
AA
t
RC
ADDRESS
CS#
t
AA
t
OH
DATA I/O
PREVIOUS DATA VALID
DATA VALID
t
ACS
t
CLZ
OE#
t
OE
t
CHZ
t
OHZ
DATA VALID
READ CYCLE 1 (CS# = OE# = V
IL
, WE# = V
IH
)
t
OLZ
DATA I/O
HIGH IMPEDANCE
READ CYCLE 2 (WE# = V
IH
)
WRITE CYCLE – WE# CONTROLLED
t
WC
ADDRESS
t
AW
t
CW
CS#
t
AH
t
AS
WE#
t
WP
t
OW
t
WHZ
t
DW
DATA VALID
t
DH
DATA I/O
WRITE CYCLE 1, WE# CONTROLLED
WRITE CYCLE – CS# CONTROLLED
t
WC
ADDRESS
t
AW
t
AS
CS#
t
CW
t
AH
t
WP
WE#
t
DW
t
DH
DATA I/O
WRITE CYCLE 2, CS# CONTROLLED
DATA VALID
Microsemi Corporation reserves the right to change products or specifications without notice.
April 2012
Rev. 13
© 2012 Microsemi Corporation. All rights reserved.
4
Microsemi Corporation • (602) 437-1520 • www.microsemi.com/pmgp
www.whiteedc.com
WMS512K8-XXX
PACKAGE 100: 36 LEAD, CERAMIC SOJ
23.37 (0.920)
±
0.25 (0.010)
0.2 (0.008)
±
0.05 (0.002)
4.7 (0.184) MAX
0.89 (0.035)
Radius TYP
11.23 (0.442)
±
0.30 (0.012)
9.55 (0.376)
±
0.25 (0.010)
1.27 (0.050)
±
0.25 (0.010)
1.27 (0.050) TYP
21.6 (0.850) TYP
ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES
PACKAGE 101: 32 LEAD, CERAMIC SOJ
21.1 (0.830)
±
0.25 (0.010)
0.2 (0.008)
±
0.05 (0.002)
3.96 (0.156) MAX
0.89 (0.035)
Radius TYP
11.23 (0.442)
±
0.30 (0.012)
9.55 (0.376)
±
0.25 (0.010)
1.27 (0.050)
±
0.25 (0.010)
1.27 (0.050) TYP
19.1 (0.750) TYP
ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES
Microsemi Corporation reserves the right to change products or specifications without notice.
April 2012
Rev. 13
© 2012 Microsemi Corporation. All rights reserved.
5
Microsemi Corporation • (602) 437-1520 • www.microsemi.com/pmgp
www.whiteedc.com
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