1
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
WMS512K8-XXX
White Electronic Designs
512Kx8 MONOLITHIC SRAM, SMD 5962-95613
FEATURES
Access Times 70, 85, 100, 120ns
MIL-STD-883 Compliant Devices Available
Evolutionary, Corner Power/Ground Pinout
JEDEC Approved
32 pin Ceramic DIP (Package 300)
32 lead Ceramic SOJ (Package 101)
Commercial, Industrial and Military Temperature
Ranges
5 Volt Power Supply
Low Power CMOS
Low Power Data Retention
TTL Compatible Inputs and Outputs
EVOLUTIONARY PINOUT
32 DIP
32 CSOJ (DE)
TOP VIEW
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
A18
A16
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O0
I/O1
I/O2
GND
V
CC
A15
A17
WE
A13
A8
A9
A11
OE
A10
CS
I/O7
I/O6
I/O5
I/O4
I/O3
A
0-18
Address Inputs
I/O
0-7
Data Input/Output
CS
Chip Select
OE
Output Enable
WE
Write Enable
V
CC
+5.0V Power
GND
Ground
P
IN
D
ESCRIPTION
March 2003 Rev. 4
2
White Electronic Designs Corporation Phoenix AZ (602) 437-1520
WMS512K8-XXX
White Electronic Designs
T
RUTH
T
ABLE
A
BSOLUTE
M
AXIMUM
R
ATINGS
Parameter
Symbol
Min
Max
Unit
Operating Temperature
T
A
-55
+125
C
Storage Temperature
T
STG
-65
+150
C
Signal Voltage Relative to GND
V
G
-0.5
Vcc+0.5 V
Junction Temperature
T
J
150
C
Supply Voltage
V
CC
-0.5
7.0
V
CS
OE
WE
Mode
Data I/O
Power
H
X
X
Standby
High Z
Standby
L
L
H
Read
Data Out
Active
L
X
L
Write
Data In
Active
L
H
H
Out Disable
High Z
Active
R
ECOMMENDED
O
PERATING
C
ONDITIONS
DC C
HARACTERISTICS
(V
CC
= 5.0V, GND = 0V, T
A
= -55C
TO
+125C)
Parameter
Symbol
Min
Max
Unit
Supply Voltage
V
CC
4.5
5.5
V
Input High Voltage
V
IH
2.2
V
CC
+ 0.3
V
Input Low Voltage
V
IL
-0.3
+0.8
V
Operating Temp. (Mil.)
TA
-55
+125
C
Parameter
Symbol
Conditions
Units
Min
Max
Input Leakage Current
I
LI
V
CC
= 5.5, V
IN
= GND to V
CC
10
A
Output Leakage Current
I
LO
CS = V
IH
, OE = V
IH
, V
OUT
= GND to V
CC
10
A
Operating Supply Current
I
CC
CS = V
IL
, OE = V
IH
, f = 5MHz, Vcc = 5.5
50
mA
Standby Current
I
SB
CS = V
IH
, OE = V
IH
, f = 5MHz, Vcc = 5.5
1
mA
Output Low Voltage
V
OL
I
OL
= 2.1mA, V
CC
= 4.5
0.4
V
Output High Voltage
V
OH
I
OH
= -1.0mA, V
CC
= 4.5
2.4
V
NOTE: DC test conditions: VIH = VCC -0.3V, VIL = 0.3V
Parameter
Symbol
Condition
Max Unit
Input capacitance
C
IN
V
IN
= 0V, f = 1.0MHz
12
pF
Output capacitance
C
OUT
V
OUT
= 0V, f = 1.0MHz
12
pF
This parameter is guaranteed by design but not tested.
C
APACITANCE
(T
A
= +25C)
Parameter
Symbol
Conditions
Military
Units
Min
Typ
Max
Data Retention Supply Voltage
V
DR
CS V
CC
-0.2V
2.0
5.5
V
Data Retention Current
I
CCDR1
V
CC
= 3V
100
400
A
D
ATA
R
ETENTION
C
HARACTERISTICS
(T
A
= -55C
TO
+125C)
Parameter
Symbol
Conditions
Units
Min
Max
Data Retention Supply Voltage
V
DR
CS V
CC
-0.2V
2.0
5.5
V
Low Power Data Retention (L)
I
CCDR1
V
CC
= 2V
185
A
D
ATA
R
ETENTION
C
HARACTERISTICS
FOR
L
OW
P
OWER
L V
ERSION
3
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
WMS512K8-XXX
White Electronic Designs
AC C
HARACTERISTICS
(V
CC
= 5.0V, GND = 0V, T
A
= -55C
TO
+125C)
AC C
HARACTERISTICS
(V
CC
= 5.0V, GND = 0V, T
A
= -55C
TO
+125C)
Parameter
Symbol
-70
-85
-100
-120
Units
Read Cycle
Min
Max
Min
Max
Min
Max
Min
Max
Read Cycle Time
t
RC
70
85
100
120
ns
Address Access Time
t
AA
70
85
100
120
ns
Output Hold from Address Change
t
OH
5
5
5
5
ns
Chip Select Access Time
t
ACS
70
85
100
120
ns
Output Enable to Output Valid
t
OE
35
40
50
60
ns
Chip Select to Output in Low Z
t
CLZ
1
10
10
10
10
ns
Output Enable to Output in Low Z
t
OLZ
1
5
5
5
5
ns
Chip Disable to Output in High Z
t
CHZ
1
25
25
35
35
ns
Output Disable to Output in High Z
t
OHZ
1
25
25
35
35
ns
1. This parameter is guaranteed by design but not tested.
Parameter
Symbol
-70
-85
-100
-120
Units
Write Cycle
Min
Max
Min
Max
Min
Max
Min
Max
Write Cycle Time
t
WC
70
85
100
120
ns
Chip Select to End of Write
t
CW
60
75
80
100
ns
Address Valid to End of Write
t
AW
60
75
80
100
ns
Data Valid to End of Write
t
DW
30
30
40
40
ns
Write Pulse Width
t
WP
50
50
60
60
ns
Address Setup Time
t
AS
0
0
0
0
ns
Address Hold Time
t
AH
5
5
5
5
ns
Output Active from End of Write
t
OW
1
5
5
5
5
ns
Write Enable to Output in High Z
t
WHZ
1
25
25
35
35
ns
Data Hold from Write Time
t
DH
0
0
0
0
ns
1. This parameter is guaranteed by design but not tested.
I
Current Source
D.U.T.
C = 50 pf
eff
I
OL
V
1.5V
(Bipolar Supply)
Z
Current Source
OH
Notes:
V
Z
is programmable from -2V to +7V.
I
OL
& I
OH
programmable from 0 to 16mA.
Tester Impedance Z0 = 75 W.
VZ 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.
AC T
EST
C
IRCUIT
Parameter
Typ
Unit
Input Pulse Levels
V
IL
= 0, V
IH
= 3.0 V
Input Rise and Fall
5
ns
Input and Output Reference Level
1.5
V
Output Timing Reference Level
1.5
V
AC T
EST
C
ONDITIONS
4
White Electronic Designs Corporation Phoenix AZ (602) 437-1520
WMS512K8-XXX
White Electronic Designs
WS32K32-XHX
T
IMING
WAVEFORM
-
READ
CYCLE
W
RITE
C
YCLE
- CS C
ONTROLLED
W
RITE
C
YCLE
- WE C
ONTROLLED
ADDRESS
DATA I/O
WRITE CYCLE 1, WE CONTROLLED
t
AW
t
CW
t
AH
t
WP
t
DW
t
WHZ
t
AS
t
OW
t
DH
t
WC
DATA VALID
CS
WE
ADDRESS
DATA I/O
WRITE CYCLE 2, CS CONTROLLED
t
AW
t
AS
t
CW
t
AH
t
WP
t
DH
t
DW
t
WC
CS
WE
DATA VALID
ADDRESS
DATA I/O
READ CYCLE 1 (CS = OE = V
IL
, WE = V
IH
)
t
AA
t
OH
t
RC
DATA VALID
PREVIOUS DATA VALID
ADDRESS
DATA I/O
READ CYCLE 2 (WE = V
IH
)
t
AA
t
ACS
t
OE
t
CLZ
t
OLZ
t
OHZ
t
RC
DATA VALID
HIGH IMPEDANCE
CS
OE
t
CHZ
5
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
WMS512K8-XXX
White Electronic Designs
PACKAGE 300: 32 PIN, CERAMIC DIP, SINGLE CAVITY SIDE BRAZED
ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES
ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES
PACKAGE 101: 32 LEAD, CERAMIC SOJ
1.27 (0.050) TYP
21.1 (0.830) 0.25 (0.010)
19.1 (0.750) TYP
11.23 (0.442)
0.30 (0.012)
3.96 (0.156) MAX
0.2 (0.008)
0.05 (0.002)
9.55 (0.376) 0.25 (0.010)
1.27 (0.050) 0.25 (0.010)
0.89 (0.035)
Radius TYP
2.5 (0.100)
TYP
1.27 (0.050)
0.1 (0.005)
0.46 (0.018)
0.05 (0.002)
0.99 (0.039)
0.51 (0.020)
3.2 (0.125) MIN
0.25 (0.010)
0.05 (0.002)
15.25 (0.600)
0.25 (0.010)
42.8 (1.686) MAX
5.13 (0.202) MAX
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