WEDC WMS512K8LV

White Electronic Designs
WMS512K8V-XCX
ADVANCED*
512Kx8 MONOLITHIC SRAM
FEATURES
Access Times 70, 85, 100, 120ns
MIL-STD-883 Compliant Devices Available
Low Voltage Operation
Evolutionary, Corner Power/Ground Pinout JEDEC
Approved
EVOLUTIONARY PINOUT
32 DIP
32 CSOJ (DE)
TOP VIEW
A18
A16
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O0
I/O1
I/O2
GND
• 32 pin Ceramic DIP (Package 300)
• 32 lead Ceramic SOJ (Package 101)
Commercial, Industrial and Military Temperature
Ranges
Low Power CMOS
Low Voltage Operation
• 3.3V ± 10% Power Supply
Low Power Data Retention
TTL Compatible Inputs and Outputs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
VCC
A15
A17
WE#
A13
A8
A9
A11
OE#
A10
CS#
I/O7
I/O6
I/O5
I/O4
I/O3
* This product is under development, is not qualified or characterized and is subject to
change or cancellation without notice.
PIN DESCRIPTION
A0-18
I/O0-7
CS#
OE#
WE#
VCC
GND
Address Inputs
Data Input/Output
Chip Select
Output Enable
Write Enable
+3.3V Power Supply
Ground
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
February, 2000
Rev. 2
1
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
White Electronic Designs
WMS512K8V-XCX
ADVANCED*
ABSOLUTE MAXIMUM RATINGS
Parameter
Operating Temperature
Storage Temperature
Signal Voltage Relative to GND
Junction Temperature
Supply Voltage
Symbol
TA
TSTG
VG
TJ
VCC
Min
-55
-65
-0.5
-0.5
Max
+125
+150
VCC+0.5
150
7.0
TRUTH TABLE
Unit
°C
°C
V
°C
V
CS#
H
L
L
L
OE#
X
L
X
H
RECOMMENDED OPERATING CONDITIONS
Parameter
Supply Voltage
Input High Voltage
Input Low Voltage
Operating Temp. (Mil.)
Symbol
VCC
VIH
VIL
TA
Min
3.0
2.2
-0.3
-55
Max
3.6
VCC + 0.3
+0.8
+125
WE#
X
H
L
H
Mode
Standby
Read
Write
Out Disable
Data I/O
High Z
Data Out
Data In
High Z
Power
Standby
Active
Active
Active
CAPACITANCE
TA = +25°C
Unit
V
V
V
°C
Parameter
Input capacitance
Output capacitance
Symbol Condition
VIN = 0V, f = 1.0MHz
CIN
COUT VOUT = 0V, f = 1.0MHz
Max
12
12
Unit
pF
pF
This parameter is guaranteed by design but not tested.
DC CHARACTERISTICS
VCC = 3.3V, GND = 0V, -55°C ≤ TA ≤ +125°C
Parameter
Input Leakage Current
Output Leakage Current
Operating Supply Current
Standby Current
Output Low Voltage
Output High Voltage
Symbol
ILI
ILO
ICC
ISB
VOL
VOH
Conditions
VCC = 3.6, VIN = GND to VCC
CS# = VIH, OE# = VIH, VOUT = GND to VCC
CS# = VIL, OE# = VIH, f = 5MHz, VCC = 3.6
CS# = VIH, OE# = VIH, f = 5MHz, VCC = 3.6
IOL = 2.1mA, VCC = 3.0
IOH = -1.0mA, VCC = 3.0
Min
2.4
Max
10
10
25
400
0.4
Units
µA
µA
mA
µA
V
V
NOTE: DC test conditions: VIH = VCC -0.3V, VIL = 0.3V
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
February, 2000
Rev. 2
2
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
White Electronic Designs
WMS512K8V-XCX
ADVANCED*
AC CHARACTERISTICS
VCC = 3.3V, GND = 0V, -55°C ≤ TA ≤ +125°C
Parameter
Read Cycle
Symbol
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
tRC
tAA
tOH
tACS
tOE
tCLZ1
tOLZ1
tCHZ1
tOHZ1
-70
Min
70
-85
Max
Min
85
-100
Max
70
Min
100
85
5
Min
120
5
100
50
120
60
10
5
25
25
ns
ns
ns
ns
ns
ns
ns
ns
ns
120
5
85
40
10
5
Units
Max
100
5
70
35
10
5
-120
Max
10
5
25
25
35
35
35
35
1. This parameter is guaranteed by design but not tested.
AC CHARACTERISTICS
VCC = 3.3V, GND = 0V, -55°C ≤ TA ≤ +125°C
Parameter
Write Cycle
Symbol
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
tWC
tCW
tAW
tDW
tWP
tAS
tAH
tOW1
tWHZ1
tDH
-70
Min
70
60
60
30
50
0
5
5
-85
Max
Min
85
75
75
35
50
0
5
5
-100
Max
25
Min
100
80
80
40
60
0
5
5
25
0
-120
Max
Min
120
100
100
40
60
0
5
5
35
0
Units
Max
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
35
0
0
1. This parameter is guaranteed by design but not tested.
AC TEST CIRCUIT
AC TEST CONDITIONS
IOL
Current Source
VZ ≈ 1.5V
(Bipolar Supply
D.U.T.
Ceff = 50 pf
IOH
Current Source
Parameter
Typ
Unit
Input Pulse Levels
VIL = 0, VIH = 3.0
V
Input Rise and Fall
5
ns
Input and Output Reference Level
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.
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
February, 2000
Rev. 2
3
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
White Electronic Designs
WMS512K8V-XCX
ADVANCED*
TIMING WAVEFORM - READ CYCLE
tRC
ADDRESS
tAA
tRC
CS#
ADDRESS
tAA
tACS
tCHZ
tCLZ
tOH
OE#
DATA I/O
PREVIOUS DATA VALID
DATA VALID
tOE
tOHZ
tOLZ
READ CYCLE 1 (CS# = OE# = VIL, WE# = VIH)
DATA I/O
DATA VALID
HIGH IMPEDANCE
READ CYCLE 2 (WE# = VIH)
WRITE CYCLE - WE# CONTROLLED
tWC
ADDRESS
tAW
tAH
tCW
CS#
tAS
tWP
WE#
tOW
tDW
tWHZ
tDH
DATA VALID
DATA I/O
WRITE CYCLE 1, WE# CONTROLLED
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
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
February, 2000
Rev. 2
4
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
White Electronic Designs
WMS512K8V-XCX
ADVANCED*
PACKAGE 101: 32 LEAD, CERAMIC SOJ
21.1 (0.830) ± 0.25 (0.010)
3.96 (0.156) MAX
0.2 (0.008)
± 0.05 (0.002)
11.3 (0.446)
± 0.2 (0.009)
0.89 (0.035)
Radius TYP
9.55 (0.376) ± 0.25 (0.010)
1.27 (0.050) ± 0.25 (0.010)
PIN 1 IDENTIFIER
1.27 (0.050) TYP
19.1 (0.750) TYP
ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES
PACKAGE 300: 32 PIN, CERAMIC DIP, SINGLE CAVITY SIDE BRAZED
42.8 (1.686) MAX
5.13 (0.202) MAX
PIN 1 IDENTIFIER
3.2 (0.125) MIN
0.99 (0.039)
± 0.51 (0.020)
2.5 (0.100)
TYP
1.27 (0.050)
± 0.1 (0.005)
0.46 (0.018)
± 0.05 (0.002)
0.25 (0.010)
± 0.05 (0.002)
15.25 (0.600)
± 0.25 (0.010)
ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
February, 2000
Rev. 2
5
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
White Electronic Designs
WMS512K8V-XCX
ADVANCED*
ORDERING INFORMATION
W M S 512K 8 V L - XXX X X X X
LEAD FINISH:
Blank = Gold plated leads
A
= Solder dip leads
SPECIAL PROCESSING:
E
= Epitaxial Layer
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:
C
DE
= 32 Pin Ceramic 0.600” DIP (Package 300)
= 32 Lead Ceramic SOJ (Package 101) Evolutionary
ACCESS TIME (ns)
IMPROVEMENT MARK
L = Low Power Data Retention
Low Voltage Supply 3.3V ± 10%
ORGANIZATION, 512K x 8
SRAM
MONOLITHIC
WHITE ELECTRONIC DESIGNS CORP.
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
February, 2000
Rev. 2
6
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com