WEDC WS512K32

White Electronic Designs
WS512K32-XXX
512Kx32 SRAM MODULE, SMD 5962-94611
FEATURES
■
Access Times of 70, 85, 100, 120ns
■
5V Power Supply
■
Packaging
■
Low Power CMOS
• 68 lead, Hermetic CQFP (G2T)1, 22.4mm (0.880
inch) square. 4.57mm (0.180 inch) high (Package
509)
■
Built-in Decoupling Caps and Multiple Ground Pins
for Low Noise Operation
■
Organized as 512Kx32, User Configurable as
1Mx16 or 2Mx8
■
Commercial, Industrial and Military Temperature
Ranges
■
TTL Compatible Inputs and Outputs
■
Weight
• WS512K32-XG2TX1 - 8 grams typical
Note 1: Package Not Recommended for New Designs.
This product is subject to change without notice.
FIGURE 1 – PIN CONFIGURATION FOR WS512K32-XG2TX1
PIN DESCRIPTION
TOP VIEW
NC
A0
A1
A2
A3
A4
A5
CS#3
GND
CS#4
WE#1
A6
A7
A8
A9
A10
VCC
I/O0-31
A0-18
WE#1-4
CS#1-4
OE#
VCC
GND
NC
9 8 7 6 5 4 3 2 1 68 67 66 65 64 63 62 61
I/O16
I/O17
I/O18
I/O19
I/O20
I/O21
I/O22
I/O23
GND
I/O24
I/O25
I/O26
I/O27
I/O28
I/O29
I/O30
I/O31
BLOCK DIAGRAM
W E # 1 CS# 1
W E # 2 CS# 2
W E # 3 CS# 3
W E # 4 CS# 4
OE#
A0-18
NC
NC
A18
A17
WE#2
WE#3
WE#4
A16
CS#1
OE#
CS#2
A15
A14
A13
A12
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
A11
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
VCC
I/O0
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
GND
I/O8
I/O9
I/O10
I/O11
I/O12
I/O13
I/O14
I/O15
Data Inputs/Outputs
Address Inputs
Write Enables
Chip Selects
Output Enable
Power Supply
Ground
Not Connected
512K x 8
512K x 8
512K x 8
512K x 8
8
8
8
8
I/O0-7
I/O8-15
I/O16-23
I/O24-31
Note 1: Package Not Recommended for New Designs.
March 2005
Rev. 4
1
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
White Electronic Designs
WS512K32-XXX
ABSOLUTE MAXIMUM RATINGS
Parameter
CAPACITANCE
Symbol
Min
Max
Unit
Operating Temperature
TA
-55
+125
°C
TSTG
-65
+150
°C
Signal Voltage Relative to GND
VG
-0.5
VCC+0.5
V
Junction Temperature
TJ
150
°C
7.0
V
Storage Temperature
Supply Voltage
VCC
-0.5
TA = +25°C
Parameter
Symbol Conditions
Max Unit
OE# capacitance
COE VIN = 0 V, f = 1.0 MHz 50 pF
WE#1-4 capacitance
CWE VIN = 0 V, f = 1.0 MHz 15 pF
CQFP G2T
CS#1-4 capacitance
CCS VIN = 0 V, f = 1.0 MHz 20 pF
Data I/O capacitance
CI/O VI/O = 0 V, f = 1.0 MHz 20 pF
Address input capacitance
CAD VIN = 0 V, f = 1.0 MHz 50 pF
This parameter is guaranteed by design but not tested.
RECOMMENDED OPERATING CONDITIONS
Parameter
Symbol
Min
Max
Unit
Supply Voltage
VCC
4.5
5.5
V
Input High Voltage
VIH
2.2
VCC + 0.3
V
Input Low Voltage
VIL
-0.5
+0.8
V
Parameter
Operating Temp (Mil)
TA
-55
+125
°C
LOW CAPACITANCE CQFP
TA = +25°C
TRUTH TABLE
CS#
OE#
WE#
H
X
X
Mode
Data I/O
Power
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
Symbol
Conditions
OE# capacitance
COE
VIN = 0 V, f = 1.0 MHz
Max Unit
32
pF
CQFP G4 capacitance
CWE
VIN = 0 V, f = 1.0 MHz
32
pF
CS#1-4 capacitance
CCS
VIN = 0 V, f = 1.0 MHz
15
pF
Data I/O capacitance
CI/O
VI/O = 0 V, f = 1.0 MHz
15
pF
Address input capacitance
CAD
VIN = 0 V, f = 1.0 MHz
32
pF
This parameter is guaranteed by design but not tested.
DC CHARACTERISTICS
(VCC = 5.0V, VSS = 0V, TA = -55°C to +125°C)
Parameter
Symbol
Conditions
Max
Units
Input Leakage Current
ILI
VCC = 5.5, VIN = GND to VCC
10
µA
Output Leakage Current
ILO
CS# = VIH, OE# = VIH, VOUT = GND to VCC
10
µA
ICC x 32
CS# = VIL, OE# = VIH, f = 5MHz, VCC = 5.5
200
mA
Standby Current
ISB
CS# = VIH, OE# = VIH, f = 5MHz, VCC = 5.5
4.0
mA
Output Low Voltage
VOL
IOL = 2.1mA, VCC = 4.5
0.4
VOH
IOH = -1.0mA, VCC = 4.5
Operating Supply Current x 32 Mode
Output High Voltage
NOTE: DC test conditions: VIH = VCC -0.3V, VIL = 0.3V
Min
2.4
V
V
DATA RETENTION CHARACTERISTICS
(TA = -55°C to +125°C)
Parameter
Data Retention Supply Voltage
Data Retention Current
March 2005
Rev. 4
Symbol
Conditions
Min
VDR
CS# ≥ VCC -0.2V
2.0
ICCDR1
VCC = 3V
2
Typ
0.4
Max
Units
5.5
V
1.6
mA
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
White Electronic Designs
WS512K32-XXX
AC CHARACTERISTICS
VCC = 5.0V, VSS = 0V, TA = -55°C to +125°C
Parameter
-70
Symbol
Read Cycle
Read Cycle Time
tRC
Address Access Time
tAA
Output Hold from Address Change
tOH
Chip Select Access Time
tACS
Min
-85
Max
70
Min
-100
Max
85
-120
Max
100
70
5
Min
Units
ns
100
5
5
120
ns
120
ns
60
ns
5
85
35
Max
120
85
70
Min
ns
100
40
50
Output Enable to Output Valid
tOE
Chip Select to Output in Low Z
tCLZ1
10
10
10
10
Output Enable to Output in Low Z
tOLZ1
5
5
5
5
Chip Disable to Output in High Z
tCHZ1
25
25
35
35
ns
Output Disable to Output in High Z
tOHZ1
25
25
35
35
ns
ns
ns
1. This parameter is guaranteed by design but not tested.
AC CHARACTERISTICS
VCC = 5.0V, VSS = 0V, TA = -55°C to +125°C
Parameter
Symbol
Write Cycle
-15*
Min
-17
Max
Min
-20
Max
Min
-25
Max
Min
Max
Units
Write Cycle Time
tWC
70
85
100
120
ns
Chip Select to End of Write
tCW
60
75
80
100
ns
Address Valid to End of Write
tAW
60
75
80
100
ns
Data Valid to End of Write
tDW
30
30
40
40
ns
Write Pulse Width
tWP
50
50
60
60
ns
Address Setup Time
tAS
0
0
0
0
ns
Address Hold Time
tAH
5
5
5
5
ns
Output Active from End of Write
tOW1
5
5
5
5
Write Enable to Output in High Z
tWHZ1
Data Hold from Write Time
25
0
tDH
25
ns
35
0
0
35
ns
0
ns
1. This parameter is guaranteed by design but not tested.
AC TEST CONDITIONS
FIGURE 2 – AC TEST CIRCUIT
Parameter
Current Source
IOL
Ceff+50pf
March 2005
Rev. 4
V
Input Rise and Fall
5
ns
1.5
V
Output Timing Reference Level
1.5
V
NOTES:
VZ is programmable from -2V to +7V.
IOL & IOH programmable from 0 to 16mA.
Tester Impedance Z0 = 75 Ω.
VZ is typically the midpoint of VOH and VOL.
IOL & IOH are adjusted to simulate a typical resistive load circuit.
ATE tester includes jig capacitance.
VZ 1.5V
(Bipolar Supply)
Current Source
Unit
VIL = 0, VIH = 3.0
Input and Output Reference Level
D.U.T.
Typ
Input Pulse Levels
IOH
3
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
White Electronic Designs
WS512K32-XXX
FIGURE 3 – TIMING WAVEFORM - READ CYCLE
tRC
ADDRESS
tRC
tAA
ADDRESS
CS#
tAA
tCHZ
tACS
tOH
DATA I/O
tCLZ
OE#
DATA VALID
PREVIOUS DATA VALID
tOE
tOHZ
tOLZ
DATA I/O
READ CYCLE 1 (CS# = OE# = VIL, WE# = VIH)
HIGH IMPEDANCE
DATA VALID
READ CYCLE 2 (WE# = VIH)
FIGURE 4 – WRITE CYCLE - WE# CONTROLLED
tWC
ADDRESS
tAW
tAH
tCW
CS#
tAS
tWP
WE#
tOW
tWHZ
tDW
DATA I/O
tDH
DATA VALID
WRITE CYCLE 1, WE# CONTROLLED
FIGURE 5 – WRITE CYCLE - CS# CONTROLLED
tWC
ADDRESS
tAW
tAS
tAH
tCW
CS#
tWP
WE#
tDW
DATA I/O
tDH
DATA VALID
WRITE CYCLE 2, CS# CONTROLLED
March 2005
Rev. 4
4
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
White Electronic Designs
WS512K32-XXX
PACKAGE 509: 68 LEAD, CERAMIC QUAD FLAT PACK, CQFP (G2T)1
25.15 (0.990) ± 0.26 (0.010) SQ
4.57 (0.180) MAX
22.36 (0.880) ± 0.26 (0.010) SQ
0.27 (0.011) ± 0.04 (0.002)
0.25 (0.010) REF
24.03 (0.946) ±
0.26 (0.010)
R 0.25
(0.010)
0.19 (0.007) ±
0.06 (0.002)
1° / 7°
1.0 (0.040) ±
0.127 (0.005)
23.87
(0.940) REF
DETAIL A
1.27 (0.050) TYP
SEE DETAIL “A”
0.38 (0.015) ± 0.05 (0.002)
20.3 (0.80) REF
Note 1: Package Not Recommended for New Designs.
ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES
March 2005
Rev. 4
5
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
White Electronic Designs
WS512K32-XXX
ORDERING INFORMATION
W S 512K 32 - XXX X X X
LEAD FINISH:
Blank = Gold plated leads
A
= Solder dip leads
DEVICE GRADE:
Q
= MIL-STD-883 Compliant
M
= Military Screened
-55°C to +125°C
I
= Industrial
-40°C to 85°C
C
= Commercial
0°C to +70°C
PACKAGE TYPE:
G2T1
= 22.4mm Ceramic Quad Flat Pack, Low Profile CQFP (Package 509)
ACCESS TIME (ns)
ORGANIZATION, 512Kx32
User configurable as 1Mx16 or 2Mx8
SRAM
WHITE ELECTRONIC DESIGNS CORP.
Note 1: Package Not Recommended for New Designs.
DEVICE TYPE
512K x 32 SRAM Module
512K x 32 SRAM Module
512K x 32 SRAM Module
512K x 32 SRAM Module
March 2005
Rev. 4
SPEED
PACKAGE
120ns
100ns
85ns
70ns
6
SMD NO.
68 lead CQFP (G2T)
1
5962-94611 01HMX
68 lead CQFP (G2T)
1
5962-94611 02HMX
68 lead CQFP (G2T)
1
5962-94611 03HMX
68 lead CQFP (G2T)
1
5962-94611 04HMX
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com