White Electronic Designs
WSF512K16-XXX
512K
X
16 SRAM/FLASH MODULE, SMD 5962-96901
FEATURES
Access Times of 35ns (SRAM) and 90ns (FLASH)
Access Times of 70ns (SRAM) and 120ns (FLASH)
Packaging
• 66 pin, PGA Type, 1.385" square HIP, Hermetic
Ceramic HIP (Package 402)
• 68 lead, Hermetic CQFP (G2), 22mm (0.880")
square (Package 500). Designed to fit JEDEC 68
lead 0.990” CQFJ footprint (FIGURE 2)
512Kx16 SRAM
512Kx16 5V FLASH
Organized as 512Kx16 of SRAM and 512Kx16 of
Flash Memory with separate Data Busses
Both blocks of memory are User Configurable as
1Mx8
Low Power CMOS
Commercial, Industrial and Military Temperature
Ranges
TTL Compatible Inputs and Outputs
Built-in Decoupling Caps and Multiple Ground Pins
for Low Noise Operation
Weight - 13 grams typical
FLASH MEMORY FEATURES
100,000 Erase/Program Cycles
Sector Architecture
• 8 equal size sectors of 64K bytes each
• Any combination of sectors can be concurrently
erased. Also supports full chip erase
5 Volt Programming; 5V ± 10% Supply
Embedded Erase and Program Algorithms
Hardware Write Protection
Page Program Operation and Internal Program
Control Time.
Note: Programming information available upon request.
FIGURE 1 – PIN CONFIGURATION
FOR WSF512K16-XH2X
Top View
1
SD
8
SD
9
SD
10
A
13
A
14
A
15
A
16
A
18
SD
0
SD
1
SD
2
11
22
12
SWE
2
#
SCS
2
#
GND
SD
11
A
10
A
11
A
12
V
CC
SCS
1
#
NC
SD
3
33
23
SD
15
SD
14
SD
13
SD
12
OE#
A
17
SWE
1
#
SD
7
SD
6
SD
5
SD
4
FD
8
FD
9
FD
10
A
6
A
7
NC
A
8
A
9
FD
0
FD
1
FD
2
44
34
V
CC
FCS
2
#
FWE
2
#
FD
11
A
3
A
4
A
5
FWE
1
#
FCS
1
#
GND
FD
3
55
45
FD
15
FD
14
FD
13
FD
12
A
0
A
1
A
2
FD
7
FD
6
OE#
A
0-18
Pin Description
FD0-15
SD0-15
A0-18
Flash Data Inputs/Outputs
SRAM Data Inputs/Outputs
Address Inputs
SRAM Write Enable
SRAM Chip Selects
Output Enable
Power Supply
Ground
Not Connected
Flash Write Enable
Flash Chip Select
56
SWE1-2#
SCS1-2#
OE#
V
CC
GND
NC
FWE1-2#
FCS1-2#
Block Diagram
S W E
1
# S CS
1
#
S W E
2
# S CS
2
#
F W E
1
# F CS
1
#
F W E
2
# F CS
2
#
512K x 8
SRAM
512K x 8
SRAM
512K x 8
FLASH
512K x 8
FLASH
FD
5
FD
4
66
8
8
8
8
SD
0-7
SD
8-15
FD
0-7
FD
8-15
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
May 2006
Rev. 6
1
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
White Electronic Designs
WSF512K16-XXX
FIGURE 2 – PIN CONFIGURATION FOR WSF512K16-XG2X
Top View
NC
A
0
A
1
A
2
A
3
A
4
A
5
FCS
1
#
GND
FCS
2
#
SWE
1
#
A
6
A
7
A
8
A
9
A
10
V
CC
Pin Description
FD0-15
SD0-15
A0-18
FD
0
FD
1
FD
2
FD
3
FD
4
FD
5
FD
6
FD
7
GND
FD
8
FD
9
FD
10
FD
11
FD
12
FD
13
FD
14
FD
15
Flash Data Inputs/Outputs
SRAM Data Inputs/Outputs
Address Inputs
SRAM Write Enable
SRAM Chip Selects
Output Enable
Power Supply
Ground
Not Connected
Flash Write Enable
Flash Chip Select
9 8 7 6 5 4 3 2 1 68 67 66 65 64 63 62 61
SD
0
SD
1
SD
2
SD
3
SD
4
SD
5
SD
6
SD
7
GND
SD
8
SD
9
SD
10
SD
11
SD
12
SD
13
SD
14
SD
15
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
SWE1-2#
SCS1-2#
OE#
V
CC
GND
NC
FWE1-2#
FCS1-2#
SCS
1
#
OE#
SCS
2
#
A
17
SWE
2
#
FWE
1
#
FWE
2
#
A
11
A
12
A
13
A
14
A
15
A
16
A
18
V
CC
NC
NC
Block Diagram
S W E
1
# S CS
1
#
OE#
A
0-18
512K x 8
SRAM
512K x 8
SRAM
512K x 8
FLASH
512K x 8
FLASH
S W E
2
# S CS
2
#
F W E
1
# F CS
1
#
F W E
2
# F CS
2
#
8
8
8
8
SD
0-7
SD
8-15
FD
0-7
FD
8-15
The WEDC 68 lead G2 CQFP
fills the same fit and function as
the JEDEC 68 lead CQFJ or 68
PLCC. But the G2 has the TCE
and lead inspection advantage of
the CQFP form.
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
May 2006
Rev. 6
2
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
White Electronic Designs
ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
Operating Temperature
T
A
Storage Temperature
T
STG
Signal Voltage Relative to GND
V
G
Junction Temperature
T
J
Supply Voltage
V
CC
Parameter
Flash Data Retention
Flash Endurance (write/erase cycles)
Min
-55
-65
-0.5
-0.5
Max
+125
+150
7.0
150
7.0
Unit
°C
°C
V
°C
V
SCS#
H
L
L
L
OE#
X
L
H
X
SWE#
X
H
H
L
WSF512K16-XXX
SRAM TRUTH TABLE
Mode
Standby
Read
Read
Write
Data I/O
High Z
Data Out
High Z
Data In
Power
Standby
Active
Active
Active
CAPACITANCE
20 years
100,000
T
A
= +25°C
Test
OE# Capacitance
F/S WE1-2# Capacitance
F/S CS1-2# Capacitance
Data I/O Capacitance
Address Input Capacitance
Symbol
C
OE
C
WE
C
CS
C
I/O
C
AD
Condition
Max Unit
V
IN
= 0V, f = 1.0MHz 50 pF
V
IN
= 0V, f = 1.0MHz 20 pF
V
IN
= 0V, f = 1.0MHz 20 pF
V
IN
= 0V, f = 1.0MHz 20 pF
V
IN
= 0V, f = 1.0MHz 50 pF
NOTES: 1. Stresses above the absolute maximum rating may cause permanent
damage to the device. Extended operation at the maximum levels may
degrade performance and affect reliability.
RECOMMENDED OPERATING CONDITIONS
Parameter
Supply Voltage
Input High Voltage
Input Low Voltage
Symbol
V
CC
V
IH
V
IL
Min
4.5
2.2
-0.5
Max
5.5
V
CC
+ 0.3
+0.8
Unit
V
V
V
This parameter is guaranteed by design but not tested.
DC CHARACTERISTICS
V
CC
= 5.0V, V
SS
= 0V, -55°C ≤ T
A
≤ +125°C
Parameter
Input Leakage Current
Output Leakage Current
SRAM Operating Supply Current x 16 Mode
Standby Current
SRAM Output Low Voltage
SRAM Output High Voltage
Flash V
CC
Active Current for Read (1)
Flash V
CC
Active Current for Program or Erase (2)
Flash Output Low Voltage
Flash Output High Voltage
Flash Low V
CC
Lock Out Voltage
Symbol
I
LI
I
LO
I
CCx16
I
SB
V
OL
V
OH
I
CC1
I
CC2
V
OL
V
OH1
V
LKO
Conditions
V
CC
= 5.5, V
IN
= GND to V
CC
SCS# = V
IH
, OE# = V
IH
, V
OUT
= GND to V
CC
SCS# = V
IL
, OE# = FCS# = V
IH
, f = 5MHz, V
CC
= 5.5
FCS# = SCS# = V
IH
, OE# = V
IH
, f = 5MHz, V
CC
= 5.5
I
OL
= 6mA, V
CC
= 4.5
I
OH
= -1.0mA, V
CC
= 4.5
FCS# = V
IL
, OE# = SCS# = V
IH
FCS# = V
IL
, OE# = SCS# = V
IH
I
OL
= 8.0mA, V
CC
= 4.5
I
OH
= -2.5 mA, V
CC
= 4.5
Min
Max
10
10
330
45
0.4
130
150
0.45
0.85 x V
CC
3.2
4.2
Unit
µA
µA
mA
mA
V
V
mA
mA
V
V
V
2.4
NOTES:
1. The I
CC
current listed includes both the DC operating current and the frequency dependent component (@ 5 MHz).
The frequency component typically is less than 2 mA/MHz, with OE# at V
IH
.
2. I
CC
active while Embedded Algorithm (program or erase) is in progress.
3. DC test conditions: V
IL
= 0.3V, V
IH
= V
CC
- 0.3V
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
May 2006
Rev. 6
3
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
White Electronic Designs
SRAM AC CHARACTERISTICS
V
CC
= 5.0V, -55°C ≤ T
A
≤ +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
Symbol
t
RC
t
AA
t
OH
t
ACS
t
OE
t
CLZ
1
t
OLZ
1
t
CHZ
1
t
OHZ
1
-35
-70
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
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 from Write Time
WSF512K16-XXX
SRAM AC CHARACTERISTICS
V
CC
= 5.0V, -55°C ≤ T
A
≤ +125°C
Symbol
t
WC
t
CW
t
AW
t
DW
t
WP
t
AS
t
AH
t
OW1
t
WHZ1
t
DH
-35
-70
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Min Max Min Max
35
70
35
70
0
5
35
70
25
35
4
10
0
5
15
25
15
25
1. This parameter is guaranteed by design but not tested.
Min Max Min Max
35
70
25
60
25
60
20
30
25
50
0
0
0
5
0
5
15
25
0
0
1. This parameter is guaranteed by design but not tested.
FIGURE 3
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
≈
Notes: V
Z
is programmable from -2V to +7V.
I
OL
& I
OH
programmable from 0 to 16mA.
Tester Impedance Z0 = 75Ω.
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 Corp. reserves the right to change products or specifications without notice.
May 2006
Rev. 6
4
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
White Electronic Designs
WSF512K16-XXX
FIGURE 4 – SRAM TIMING WAVEFORM — READ CYCLE
t
RC
ADDRESS
t
AA
t
RC
ADDRESS
SCS#
t
AA
t
OH
DATA I/O
PREVIOUS DATA VALID
DATA VALID
t
ACS
t
CLZ
SOE#
t
CHZ
READ CYCLE 1 (SCS# = OE# = V
IL
, SWE# = V
IH
)
t
OE
t
OLZ
DATA I/O
HIGH IMPEDANCE
t
OHZ
DATA VALID
READ CYCLE 2 (SWE# = V
IH
)
FIGURE 5 – SRAM WRITE CYCLE — SWE# CONTROLLED
t
WC
ADDRESS
t
AW
t
CW
SCS#
t
AH
t
AS
SWE#
t
WP
t
OW
t
WHZ
t
DW
DATA VALID
t
DH
DATA I/O
WRITE CYCLE 1, SWE# CONTROLLED
FIGURE 6 – SRAM WRITE CYCLE — SCS# CONTROLLED
t
WC
ADDRESS
t
AS
SCS#
t
AW
t
CW
t
AH
t
WP
SWE#
t
DW
DATA I/O
DATA VALID
t
DH
WRITE CYCLE 2, SCS# CONTROLLED
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
May 2006
Rev. 6
5
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
