WS512K48-XG4WX
HI-RELIABILITY PRODUCT
512Kx48 SRAM MODULE
FEATURES
s
Access Times 17, 20, 25, 35ns
ADVANCED*
s
Packaging:
• 116 Lead, 40.0mm Hermetic CQFP (Package 504)
s
Commercial, Industrial and Military Temperature Ranges
s
5 Volt Power Supply
s
Low Power CMOS
s
Organized as 512K x 48, Data Width is user configurable.
s
2V Data Retention Devices Available
(WS512K48L-XXX Low Power Version)
s
TTL Compatible Inputs and Outputs
s
Built-in Decoupling Caps and Multiple Ground Pins for Low
Noise Operation
s
Weight
WS512K48-XG4WX - 20 grams typical
* This data sheet describes a product that may or may not be under
development and is subject to change or cancellation without notice.
PIN CONFIGURATION FOR WS512K48-XG4WX
BLOCK DIAGRAM
TOP VIEW
I/O
2
I/O
1
I/O
0
V
CC
WE
2
CS
2
NC
A
0
A
1
A
2
A
3
A
4
WE
1
CS
1
NC
NC
NC
A
5
A
6
A
7
A
8
A
9
NC
NC
NC
V
CC
NC
NC
NC
WE
1
CS
1
OE
A
0-18
1
512K x 8
2
512K x 8
WE
2
CS
2
WE
x
CS
x
WE
6
CS
6
.....
8
6
512K x 8
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
116
115
114
113
112
111
110
109
108
107
106
105
104
103
October 2000 Rev. 2
I/O
29
I/O
30
I/O
31
V
CC
WE
3
CS
3
NC
NC
A
18
A
17
A
16
A
15
WE
4
CS
4
OE
CS
5
WE
5
A
14
A
13
A
12
A
11
A
10
NC
CS
6
WE
6
V
CC
I/O
32
I/O
33
I/O
34
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
I/O
3
I/O
4
I/O
5
I/O
6
I/O
7
GND
I/O
8
I/O
9
I/O
10
I/O
11
I/O
12
I/O
13
I/O
14
I/O
15
GND
I/O
16
I/O
17
I/O
18
I/O
19
I/O
20
I/O
21
I/O
22
I/O
23
GND
I/O
24
I/O
25
I/O
26
I/O
27
I/O
28
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
102
101
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
75
74
NC
NC
NC
NC
NC
GND
NC
NC
NC
NC
NC
NC
NC
NC
GND
I/O
47
I/O
46
I/O
45
I/O
44
I/O
43
I/O
42
I/O
41
I/O
40
GND
I/O
39
I/O
38
I/O
37
I/O
36
I/O
35
8
8
8
I/O
0-7
I/O
8-15
I/O...
I/O
40-47
PIN DESCRIPTION
I/O
0-47
A
0-18
WE
1-6
CS
1-6
OE
V
CC
GND
NC
Data Inputs/Outputs
Address Inputs
Write Enables
Chip Selects
Output Enable
Power Supply
Ground
Not Connected
1
White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
WS512K48-XG4WX
ABSOLUTE MAXIMUM RATINGS
Parameter
Operating Temperature
Storage Temperature
Signal Voltage Relative to GND
Junction Temperature
Supply Voltage
Symbol
T
A
T
STG
V
G
T
J
V
CC
-0.5
Min
-55
-65
-0.5
Max
+125
+150
Vcc+0.5
150
7.0
Unit
°C
°C
V
°C
V
CS
H
L
L
L
OE
X
L
X
H
X
H
L
H
TRUTH TABLE
WE
Mode
Standby
Read
Write
Out Disable
Data I/O
High Z
Data Out
Data In
High Z
Power
Standby
Active
Active
Active
RECOMMENDED OPERATING CONDITIONS
Parameter
Supply Voltage
Input High Voltage
Input Low Voltage
Operating Temp. (Mil.)
Operating Temp. (Ind.)
Symbol
V
CC
V
IH
V
IL
T
A
T
A
Min
4.5
2.2
-0.3
-55
-40
Max
5.5
V
CC
+ 0.3
+0.8
+125
+85
Unit
V
V
V
°C
°C
Parameter
OE capacitance
WE capacitance
CS capacitance
Data I/O capacitance
Address input capacitance
CAPACITANCE
(T
A
= +25°C)
Symbol
C
OE
C
WE
C
CS
C
I/O
C
AD
Conditions
V
IN
= 0 V, f = 1.0 MHz
V
IN
= 0 V, f = 1.0 MHz
V
IN
= 0 V, f = 1.0 MHz
V
I/O
= 0 V, f = 1.0 MHz
V
IN
= 0 V, f = 1.0 MHz
Max
100
20
20
20
100
Unit
pF
pF
pF
pF
pF
This parameter is guaranteed by design but not tested.
DC CHARACTERISTICS
(V
CC
= 5.0V, T
A
= -55°C to +125°C)
Parameter
Input Leakage Current
Output Leakage Current
Operating Supply Current
Standby Current
Output Low Voltage
Output High Voltage
Sym
I
LI
I
LO
I
CC
I
SB
V
OL
V
OH
Conditions
Min
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, Vcc = 5.5
CS = V
IH
, OE = V
IH
, f = 5MHz, Vcc = 5.5
I
OL
= 8mA, V
CC
= 4.5
I
OH
= -4.0mA, V
CC
= 4.5
2.4
Max
10
10
990
90
0.4
Units
µA
µA
mA
mA
V
V
NOTE: DC test conditions: V
IH
= V
CC
-0.3V, V
IL
= 0.3V
DATA RETENTION CHARACTERISTICS
(T
A
= -55°C to +125°C)
Parameter
Data Retention Supply Voltage
Data Retention Current
Low Power Data Retention
Current (WS512K48L-XXX)
Symbol
V
DR
I
CCDR1
I
CCDR2
Conditions
Min
CS
≥
V
CC
-0.2V
V
CC
= 3V
V
CC
= 3V
2.0
Max
5.5
42
24
V
mA
mA
Units
* Also available in Low Power version, please call factory for information.
White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
2
WS512K48-XG4WX
AC CHARACTERISTICS
(V
CC
= 5.0V, T
A
= -55°C To +125°C)
Parameter
Read Cycle
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
t
RC
t
AA
t
OH
t
ACS
t
OE
t
CLZ
1
t
OLZ
1
t
CHZ
1
t
OHZ
1
Symbol
Min
17
-17
Max
Min
20
17
0
17
10
3
0
10
10
3
0
0
-20
Max
Min
25
20
0
20
12
3
0
12
12
-25
Max
35
25
0
25
15
3
0
12
12
-35
Units
ns
35
ns
ns
35
20
ns
ns
ns
ns
20
20
ns
ns
1. This parameter is guaranteed by design but not tested.
AC CHARACTERISTICS
(V
CC
= 5.0V, T
A
= -55°C To +125°C)
Parameter
Write Cycle
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
t
WC
t
CW
t
AW
t
DW
t
WP
t
AS
t
AH
t
OW
1
Symbol
Min
17
14
15
10
14
0
0
3
-17
Max
Min
20
15
15
12
15
0
0
3
10
0
0
-20
Max
Min
25
20
20
15
20
0
0
3
12
0
-25
Max
Min
35
25
25
20
25
0
0
4
15
0
-35
Max
Units
ns
ns
ns
ns
ns
ns
ns
ns
20
ns
ns
t
WHZ
t
DH
1
1. This parameter is guaranteed by design but not tested.
AC TEST CIRCUIT
I
OL
Current Source
AC TEST CONDITIONS
Parameter
Input Pulse Levels
Input Rise and Fall
Input and Output Reference Level
Typ
V
IL
= 0, V
IH
= 3.0
5
1.5
1.5
Unit
V
ns
V
V
D.U.T.
C
eff
= 50 pf
V
Z
≈
1.5V
Output Timing Reference Level
(Bipolar Supply)
I
OH
Current Source
NOTES:
V
Z
is programmable from -2V to +7V.
I
OL
& I
OH
programmable from 0 to 16mA.
Tester Impedance Z
0
= 75
Ω.
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.
3
White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
WS512K48-XG4WX
TIMING WAVEFORM - READ CYCLE
t
RC
ADDRESS
t
AA
CS
t
RC
ADDRESS
t
ACS
t
CLZ
OE
t
CHZ
t
AA
t
OH
DATA I/O
PREVIOUS DATA VALID
DATA VALID
t
OE
t
OLZ
DATA I/O
HIGH IMPEDANCE
t
OHZ
DATA VALID
READ CYCLE 1 (CS = OE = V
IL
, WE = V
IH
)
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
t
DH
DATA I/O
DATA VALID
WRITE CYCLE 1, WE CONTROLLED
WRITE CYCLE - CS CONTROLLED
t
WC
ADDRESS
WS32K32-XHX
t
AS
t
AW
t
CW
t
AH
CS
t
WP
WE
t
DW
DATA I/O
DATA VALID
t
DH
WRITE CYCLE 2, CS CONTROLLED
White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
4
WS512K48-XG4WX
PACKAGE 504:
116 LEAD, CERAMIC QUAD FLAT PACK, CQFP (G4W)
5.1 (0.200) MAX
39.6 (1.56)
±
0.38 (0.015) SQ
1.27 (0.050)
±
0.1 (0.005)
PIN 1 IDENTIFIER
Pin 1
12.7 (0.500)
±
0.5 (0.020)
4 PLACES
5.1 (0.200)
±
0.25 (0.010)
4 PLACES
1.27 (0.050)
REF
38 (1.50) REF
4 PLACES
0.38 (0.015)
±
0.08 (0.003)
68 PLACES
0.25 (0.010)
±
0.05 (0.002)
ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES
ORDERING INFORMATION
W S 512K48 X - XXX G4W X
DEVICE GRADE:
M = Military Screened
I = Industrial
C = Commercial
-55°C to +125°C
-40°C to +85°C
0°C to + 70°C
PACKAGE TYPE:
G4W = 116 Lead 40mm Ceramic Quad Flat Pack, CQFP (Package 504)
ACCESS TIME (ns)
IMPROVEMENT MARK:
Blank = Standard Power
L = Low Power Data Retention
ORGANIZATION, 512K x 48
Data Width User Configurable
SRAM
WHITE ELECTRONIC DESIGNS CORP.
5
White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
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