WEDPS512K32-XBX
1
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
White Electronic Designs Corp. reserves the right to change products or specifi cations without notice.
November, 2003
Rev.6
512Kx32 SRAM MULTI-CHIP PACKAGE
FEATURES
Access Times of 12, 15, 17, 20, ns
Packaging
16mm x 18mm, 143 PBGA
Organized as 512Kx32, User Confi gurable as
1Mx16 or 2Mx8
PIN CONFIGURATION FOR WEDPS512K32-XBX
TOP VIEW
PIN DESCRIPTION
I/O0-31
Data Inputs/Outputs
A0-18
Address Inputs
WE#1-4
Write Enables
CS#1-4
Chip Selects
OE#
Output Enable
VCC
Power Supply
GND
Ground
NC
Not Connected
Commercial,
Industrial
and
Military
Temperature
Ranges
TTL Compatible Inputs and Outputs
5V
Power
Supply
Low
Power
CMOS
This product is subject to change without notice.
512K x 8
8
I / O 0 - 7
W E # 1 CS#1
512K x 8
8
I / O 8 - 1 5
W E # 2 CS#2
512K x 8
8
I / O 1 6 - 2 3
W E # 3 CS#3
512K x 8
8
I / O 2 4 - 3 1
W E # 4 CS#4
A 0 - 1 8
O E #
BLOCK DIAGRAM
1
2
3
4
5
6
7
8
9
10
11
12
A
-
A2
A1
A0
GND
GND
V
CC
V
CC
A18
A17
A16
GND
B
CS#2
A3
A4
D14
D15
NC
CS#4
D24
D25
OE#
A15
NC
C
D9
D8
NC
D12
D13
GND
V
CC
D26
D27
WE#4
D31
D30
D
D10
D11
GND
GND
GND
GND
V
CC
V
CC
V
CC
V
CC
D28
D29
E
WE#2
GND
GND
GND
GND
GND
V
CC
V
CC
V
CC
V
CC
V
CC
NC
F
GND
GND
GND
GND
GND
GND
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
G
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
GND
GND
GND
GND
GND
GND
H
CS#1
V
CC
V
CC
V
CC
V
CC
V
CC
GND
GND
GND
GND
GND
NC
J
D1
D0
V
CC
V
CC
V
CC
V
CC
GND
GND
GND
GND
D23
D22
K
D2
D3
NC
D7
D5
V
CC
GND
D17
D16
CS#3
D20
D21
L
WE#1
A6
A5
D6
D4
NC
WE#3
D19
D18
A14
A13
NC
M
GND
A7
A8
A9
V
CC
V
CC
GND
GND
A10
A11
A12
V
CC
WEDPS512K32-XBX
2
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
White Electronic Designs Corp. reserves the right to change products or specifi cations without notice.
November, 2003
Rev.6
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
V
CC
+0.5
V
Junction Temperature
T
J
150
C
Supply Voltage
V
CC
-0.5
7.0
V
TRUTH TABLE
RECOMMENDED OPERATING CONDITIONS
ABSOLUTE MAXIMUM RATINGS
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
-0.5
+0.8
V
Operating Temp (Mil)
T
A
-55
+125
C
CAPACITANCE
(T
A
= +25C)
Parameter
Symbol
Conditions Max
Unit
OE# capacitance
C
OE
V
IN
= 0 V, f = 1.0 MHz
30
pF
WE#1-4 capacitance
C
WE
V
IN
= 0 V, f = 1.0 MHz
10
pF
CS#1-4 capacitance
C
CS
V
IN
= 0 V, f = 1.0 MHz
10
pF
Data I/O capacitance
C
I/O
V
I/O
= 0 V, f = 1.0 MHz
10
pF
Address input capacitance
C
AD
V
IN
= 0 V, f = 1.0 MHz
30
pF
Parameter
Symbol
Conditions
Min
Max
Units
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 x 32 Mode
I
CC
x 32
CS# = V
IL
, OE# = V
IH
, f = 5MHz, Vcc = 5.5
660
mA
Standby Current
I
SB
CS# = V
IH
, OE# = V
IH
, f = 5MHz, Vcc = 5.5
80
mA
Output Low Voltage
V
OL
I
OL
= 8mA
0.4
V
Output High Voltage
V
OH
I
OH
= -4.0mA
2.4
V
DC CHARACTERISTICS
(V
CC
= 5.0V, V
SS
= 0V, T
A
= -55C to +125C)
CS
OE
WE
Mode
Data I/O
Power
H
X
X
Standby
High Z
Standby
L
L
H
Read
Data Out
Active
L
H
H
Out Disable
High Z
Active
L
X
L
Write
Data In
Active
This parameter is guaranteed by design but not tested.
BGA THERMAL RESISTANCE
Description
Symbol
Max
Unit
Notes
Junction to Ambient (No Airfl ow)
Theta JA
16.5
C/W
1
Junction to Ball
Theta JB
11.3
C/W
1
Junction to Case (Top)
Theta JC
9.8
C/W
1
NOTE: Refer to Application Note "PBGA Thermal Resistance Correlation" at www.
whiteedc.com in the application notes section for modeling conditions.
NOTE: DC test conditions: V
IH
= V
CC
-0.3V, V
IL
= 0.3V
WEDPS512K32-XBX
3
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
White Electronic Designs Corp. reserves the right to change products or specifi cations without notice.
November, 2003
Rev.6
AC CHARACTERISTICS
(V
CC
= 5.0V, V
SS
= 0V, T
A
= -55C to +125C)
AC TEST CIRCUIT
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.
AC CHARACTERISTICS
(V
CC
= 5.0V, V
SS
= 0V, T
A
= -55C to +125C)
AC TEST CONDITIONS
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
Parameter
Symbol
-12
-15
-17
-20
Units
Read Cycle
Min
Max
Min
Max
Min
Max
Min
Max
Read Cycle Time
t
RC
12
15
17
20
ns
Address Access Time
t
AA
12
15
17
20
ns
Output Hold from Address Change
t
OH
0
0
0
0
ns
Chip Select Access Time
t
ACS
12
15
17
20
ns
Output Enable to Output Valid
t
OE
7
8
9
10
ns
Chip Select to Output in Low Z
t
CLZ
1
1
2
2
2
ns
Output Enable to Output in Low Z
t
OLZ
1
0
0
0
0
ns
Chip Disable to Output in High Z
t
CHZ
1
7
12
12
12
ns
Output Disable to Output in High Z
t
OHZ
1
7
12
12
12
ns
Parameter
Symbol
-12
-15
-17
-20
Units
Read Cycle
Min
Max
Min
Max
Min
Max
Min
Max
Write Cycle Time
t
WC
12
15
17
20
ns
Chip Select to End of Write
t
CW
10
13
15
15
ns
Address Valid to End of Write
t
AW
10
13
15
15
ns
Data Valid to End of Write
t
DW
8
10
11
12
ns
Write Pulse Width
t
WP
10
13
15
15
ns
Address Setup Time
t
AS
0
2
2
2
ns
Address Hold Time
t
AH
0
0
0
0
ns
Output Active from End of Write
t
OW1
2
2
2
3
ns
Write Enable to Output in High Z
t
WHZ1
7
8
9
11
ns
Data Hold Time
t
DH
0
0
0
0
1. This parameter is guaranteed by design but not tested.
1. This parameter is guaranteed by design but not tested.
Current Source
Current Source
I
OL
I
OH
C
eff
= 50 pf
D.U.T.
V
Z
1.5V
(Bipolar Supply)
WEDPS512K32-XBX
4
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
White Electronic Designs Corp. reserves the right to change products or specifi cations without notice.
November, 2003
Rev.6
TIMING WAVEFORM - READ CYCLE
WRITE CYCLE - WE# CONTROLLED
ADDRESS
t
WC
t
AW
t
AS
t
AH
t
CW
t
WP
t
DW
t
DH
CS#
WE#
DATA I/O
DATA VALID
WRITE CYCLE 2, CS# CONTROLLED
ADDRESS
t
RC
CS#
OE#
DATA I/O
t
AA
t
ACS
t
CHZ
t
CLZ
t
OE
t
OLZ
t
OHZ
HIGH IMPEDANCE
DATA VALID
READ CYCLE 2 (WE# = V
IH
)
ADDRESS
DATA I/O
PREVIOUS DATA VALID
DATA VALID
READ CYCLE 1 (CS# = OE# = V
IL
, WE# = V
IH
)
t
OH
t
AA
t
RC
ADDRESS
t
WC
t
AW
t
CW
t
AH
t
AS
t
WP
t
WHZ
t
DW
t
OW
t
DH
DATA VALID
CS#
DATA I/O
WE#
WRITE CYCLE 1, WE# CONTROLLED
WRITE CYCLE - CS# CONTROLLED
WEDPS512K32-XBX
5
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
White Electronic Designs Corp. reserves the right to change products or specifi cations without notice.
November, 2003
Rev.6
PACKAGE 7043: 143 BALL GRID ARRAY
ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES
0.61 (0.024)
NOM
1.27
(0.050)
NOM
A
B
C
D
E
F
G
H
J
K
L
M
13.97 (0.550)
NOM
16.25 (0.640)
MAX
18.25 (0.719)
MAX
13.97 (0.550)
NOM
1.93 (0.076) MAX
1.27 (0.050) NOM
BOTTOM VIEW
12 11 10 9 8 7 6 5 4 3 2 1
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