White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
2
WS512K32-XXX
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
H
X
WE
X
H
H
L
TRUTH TABLE
Mode
Standby
Read
Out Disable
Write
Data I/O
High Z
Data Out
High Z
Data In
Power
Standby
Active
Active
Active
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
-0.5
-55
Max
5.5
V
CC
+ 0.3
+0.8
+125
Unit
V
V
V
°C
Parameter
OE capacitance
WE
1-4
capacitance
HIP (PGA)
CQFP G4T
CQFP G2T/G1U
CS
1-4
capacitance
Data I/O capacitance
Address input capacitance
CAPACITANCE
(T
A
= +25°C)
Symbol
C
OE
C
WE
Conditions
V
IN
= 0 V, f = 1.0 MHz
V
IN
= 0 V, f = 1.0 MHz
20
50
20
C
CS
C
I/O
C
AD
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
20
20
50
pF
pF
pF
Max
50
Unit
pF
pF
This parameter is guaranteed by design but not tested.
DC CHARACTERISTICS
(V
CC
= 5.0V, V
SS
= 0V, T
A
= -55°C to +125°C)
Parameter
Input Leakage Current
Output Leakage Current
Operating Supply Current x 32 Mode
Standby Current
Output Low Voltage
Output High Voltage
Symbol
I
LI
I
LO
I
CC x 32
I
SB
V
OL
V
OH
Conditions
Min
V
CC
= 5.5, V
IN
= G
ND
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 for 15 - 35ns,
I
OL
= 2.1mA for 45 - 55ns, Vcc = 4.5
I
OH
= -4.0mA for 15 - 35ns,
I
OH
= -1.0mA for 45 - 55ns, Vcc = 4.5
2.4
Max
10
10
660
80
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 (WS512K32L-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
28
16
V
mA
mA
Units
3
White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
WS512K32-XXX
AC CHARACTERISTICS
(V
CC
= 5.0V, V
SS
= 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
t
OLZ
1
Symbol
-15*
Min
15
15
0
15
8
2
0
12
12
2
0
0
Max
Min
17
-17
Max
Min
20
17
0
17
9
2
0
12
12
-20
Max
Min
25
20
0
20
10
2
0
12
12
-25
Max
Min
35
25
0
25
12
4
0
12
12
-35
Max
Min
45
35
0
35
25
4
0
15
15
-45
Max
-55
Min
55
45
0
45
25
4
0
20
20
20
20
55
25
55
Max
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
1
t
CHZ
1
t
OHZ
1
* 15ns Access Time available only in Commercial and Industrial Temperature. This speed is not fully characterized and is subject to change without notice.
1. This parameter is guaranteed by design but not tested.
AC CHARACTERISTICS
(V
CC
= 5.0V, V
SS
= 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
-15*
Min
15
13
13
10
13
2
0
2
8
0
0
Max
17
15
15
11
15
2
0
2
-17
Min
Max
20
15
15
12
15
2
0
3
9
0
-20
Min
Max
Min
25
17
17
13
17
2
0
4
11
0
-25
Max
Min
35
25
25
20
25
2
0
4
13
0
-35
Max
45
35
35
25
35
2
5
5
15
0
-45
Min
Max
55
50
50
25
40
2
5
5
20
0
-55
Min Max
Units
ns
ns
ns
ns
ns
ns
ns
ns
20
ns
ns
t
WHZ
1
t
DH
* 15ns Access Time available only in Commercial and Industrial Temperature. This speed is not fully characterized and is subject to change without notice.
1. This parameter is guaranteed by design but not tested.
2. The Address Setup Time of minimum 2ns is for the G2T, G1U and H1 packages. t
AS
minimum for the G4T package is 0ns.
FIG. 4
AC TEST CIRCUIT
Current Source
I
OL
AC TEST CONDITIONS
Parameter
Input Pulse Levels
Input Rise and Fall
Input and Output Reference Level
D.U.T.
V
Z
Typ
V
IL
= 0, V
IH
= 3.0
5
1.5
1.5
Unit
V
ns
V
V
≈
1.5V
Output Timing Reference Level
C
eff
= 50 pf
(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.
White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
4
WS512K32-XXX
FIG. 5
TIMING WAVEFORM - READ CYCLE
ADDRESS
t
RC
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
)
FIG. 6
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
FIG. 7
WRITE CYCLE - CS CONTROLLED
t
WC
ADDRESS
WS32K32-XHX
t
CW
t
AH
t
AS
CS
t
AW
t
WP
WE
t
DW
DATA I/O
DATA VALID
t
DH
WRITE CYCLE 2, CS CONTROLLED
5
White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
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