WS512K8L-20IA [MICROSEMI]
SRAM;型号: | WS512K8L-20IA |
厂家: | Microsemi |
描述: | SRAM 静态存储器 |
文件: | 总6页 (文件大小:222K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
WS512K8-XCX
White Electronic Designs
512Kx8 SRAM MODULE, SMD 5962-92078
FEATURES
Access Times 20, 25, 35, 45ns
Organized as 512K x 8
5V Power Supply
Standard Microcircuit Drawing, 5962-92078
MIL-STD-883 Compliant Devices Available
Low Power CMOS
JEDEC Standard 32 pin, Hermetic Ceramic DIP
(Package 300)
TTL Compatible Inputs and Outputs
Battery Back-Up Operation
Commercial, Industrial and Military Temperature
Range (-55°C to +125°C)
FIGURE 1 – PIN CONFIGURATION
TOP VIEW
PIN DESCRIPTION
A0-18 Address Inputs
I/O 0-7 Data Input/Output
CS#
OE#
Chip Select
Output Enable
A18
A16
A14
A12
A7
A6
A5
A4
A3
1
2
3
4
5
6
7
8
9
32 VCC
31 A15
30 A17
29 WE#
28 A13
27 A8
WE# Write Enable
VCC +5.0V Power
GND Ground
26 A9
25 A11
24 OE#
23 A10
22 CS#
21 I/O7
20 I/O6
19 I/O5
18 I/O4
17 I/O3
BLOCK DIAGRAM
A0-16
I/O0-7
WE#
OE#
A2 10
A1 11
A0 12
I/O0 13
I/O1 14
I/O2 15
GND 16
128K x 8
128K x 8
128K x 8
128K x 8
A17
A18
Decoder
CS#
December 2004
Rev. 5
1
White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
WS512K8-XCX
White Electronic Designs
ABSOLUTE MAXIMUM RATINGS
TRUTH TABLE
Parameter
Symbol
TA
Min
-55
-65
-0.5
Max
+125
+150
VCC+0.5
150
Unit
°C
°C
V
CS#
H
OE#
X
WE#
X
Mode
Standby
Read
Data I/O
High Z
Power
Standby
Active
Operating Temperature
Storage Temperature
Signal Voltage Relative to GND
Junction Temperature
Supply Voltage
TSTG
VG
L
L
H
Data Out
Data In
High Z
L
X
L
Write
Active
TJ
°C
V
L
H
H
Out Disable
Active
VCC
-0.5
7.0
CAPACITANCE
RECOMMENDED OPERATING CONDITIONS
(TA = +25°C)
Parameter
Symbol
VCC
VIH
Min
4.5
Max
5.5
Unit
V
Parameter
Symbol
CIN
COUT
Condition
Max
Unit
pF
Supply Voltage
Input capacitance
Output capicitance
VIN = 0V, f = 1.0MHZ
VOUT = 0V, f = 1.0MHZ
45
45
Input High Voltage
Input Low Voltage
Operating Temp. (Mil.)
2.2
VCC + 0.3
+0.8
V
pF
This parameter is guaranteed by design but not tested.
VIL
-0.5
-55
V
TA
+125
°C
DC CHARACTERISTICS
(VCC = 5.0V, GND = 0V, -55°C ≤ TA ≤ 125°C)
-20
-25
-35
-45
Parameter
Symbol Conditions
Units
Min Max Min Max Min Max Min Max
Input Leakage Current
Output Leakage Current
Operating Supply Current
Standby Current
ILI
ILO
VCC = 5.5, VIN = GND to VCC
10
10
10
10
10
10
10
10
μA
μA
mA
mA
V
CS# = VIH, OE# = VIH, VOUT = GND to VCC
CS# = VIL, OE# = VIH, f = 5MHZ, VCC = 5.5
CS# = VIH, OE# = VIH, f = 5MHZ
IOL = 8mA, VCC = 4.5
ICC
ISB
210
80
210
60
210
60
210
55
Output Low Voltage
Output High Voltage
VOL
VOH
0.4
0.4
0.4
0.4
IOH = -4.0mA, VCC = 4.5
2.4
2.4
2.4
2.4
V
NOTE: DC test conditions: VIH = VCC -0.3V, VIL = 0.3V
DATA RETENTION CHARACTERISTICS FOR LOW POWER “L” VERSION
(-55°C ≤ TA ≤ 125°C)
-20
Min Typ Max Min Typ Max Min Typ Max Min Typ Max
2.0 5.5 2.0 5.5 2.0 5.5 2.0 5.5
8.0 12.8 8.0 12.8 8.0 12.8
-25
-35
-45
Parameter
Symbol Conditions
Units
Data Retention Supply Voltage
Data Retention Current
VDR
CS# • VCC -0.2V
VCC = 3V
V
ICCDR
1
8.0 12.8 mA
FIGURE 2 – AC TEST CIRCUIT
AC TEST CONDITIONS
Parameter
Typ
Unit
IOL
Input Pulse Levels
V
IL = 0, VIH = 3.0
V
ns
V
Current Source
Input Rise and Fall
5
Input and Output Reference Level
Output Timing Reference Level
1.5
1.5
V
D.U.T.
VZ 1.5V
(Bipolar Supply)
NOTES:
CEFF = 50 pf
V
I
Z is programmable from -2V to +7V.
OL & IOH programmable from 0 to 16mA.
Tester Impedance Z0 = 75 Ω
Z is typically the midpoint of VOH and VOL
OL & IOH are adjusted to simulate a typical resistive load circuit.
ATE tester includes jig capacitance.
V
I
.
IOH
Current Source
December 2004
Rev. 5
2
White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
WS512K8-XCX
White Electronic Designs
AC CHARACTERISTICS
(VCC = 5.0V, GND = 0V, -55°C ≤ TA ≤ 125°C)
-20
-25
-35
-45
Parameter
Read Cycle
Symbol
Units
Min
Max
Min
Max
Min
Max
Min
Max
Read Cycle Time
tRC
tAA
20
25
35
45
ns
ns
ns
ns
ns
ns
ns
ns
ns
Address Access Time
20
25
35
45
Output Hold from Address Change
Chip Select Access Time
tOH
tACS
tOE
3
3
3
3
20
10
25
10
35
25
45
35
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
1. This parameter is guaranteed by design but not tested.
1
tCLZ
3
0
3
0
3
0
3
0
1
tOLZ
1
tCHZ
15
12
17
15
20
20
30
25
1
tOHZ
AC CHARACTERISTICS
(VCC = 5.0V, GND =0V, -55°C ≤ TA ≤ 125°C)
-20
-25
-35
-45
Parameter
Write Cycle
Symbol
Units
Min
20
16
16
15
16
2
Max
Min
25
20
20
15
20
2
Max
Min
35
25
25
20
25
2
Max
Min
45
30
30
25
30
2
Max
Write Cycle Time
tWC
tCW
tAW
tDW
tWP
tAS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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
tAH
2
2
2
2
1
Output Active from End of Write
Write Enable to Output in High Z
Data Hold Time
tOW
4
5
5
5
1
tWHZ
10
0
15
0
20
0
25
tDH
1
1
1
1
1. This parameter is guaranteed by design but not tested.
December 2004
Rev. 5
3
White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
WS512K8-XCX
White Electronic Designs
FIGURE 3 – TIMING WAVEFORM - READ CYCLE
tRC
ADDRESS
tAA
CS#
tRC
tACS
tCLZ
tCHZ
ADDRESS
tAA
OE#
tOE
tOLZ
tOHZ
DATA VALID
tOH
DATA I/O
PREVIOUS DATA VALID
DATA I/O
DATA VALID
)
HIGH IMPEDANCE
READ CYCLE 2 (WE# = VIH
)
READ CYCLE 1 (CS# = OE# = VIL, WE# = VIH
FIGURE 4 – WRITE CYCLE - WE# CONTROLLED
tWC
ADDRESS
tAW
tAH
tCW
CS#
tAS
tWP
WE#
tOW
tDH
tDW
DATA VALID
tWHZ
DATA I/O
WRITE CYCLE 1, WE# CONTROLLED
FIGURE 5 – WRITE CYCLE - CS# CONTROLLED
tWC
ADDRESS
CS#
tAW
tAH
tAS
tCW
tWP
WE#
tDW
tDH
DATA I/O
DATA VALID
WRITE CYCLE 2, CS# CONTROLLED
December 2004
Rev. 5
4
White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
WS512K8-XCX
White Electronic Designs
PACKAGE 300: 32 PIN, CERAMIC DIP, SINGLE CAVITY SIDE BRAZED
42.4 (1.670) 0.4 (0.016)
15.04 (0.592)
0.25 (0.012)
4.34 (0.171) 0.79 (0.031)
3.2 (0.125) MIN
PIN 1 IDENTIFIER
0.25 (0.010)
0.05 (0.002)
0.84 (0.033)
0.4 (0.014)
15.25 (0.600)
0.25 (0.010)
2.5 (0.100)
TYP
1.27 (0.050)
0.1 (0.005)
0.46 (0.018)
0.05 (0.002)
ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES
December 2004
Rev. 5
5
White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
WS512K8-XCX
White Electronic Designs
ORDERING INFORMATION
W S 512K 8 X - XXX C X X
LEAD FINISH:
Blank = Gold plated leads
A = Solder dip leads
DEVICE GRADE:
Q = MIL-STD-883 Compliant
M = Military Screened
I = Industrial
-55°C to +125°C
-40°C to +85°C
0°C to +70°C
C = Commercial
PACKAGE:
C = Ceramic 0.600" DIP (Package 300)
ACCESS TIME (ns)
OPTIONS
Blank = Standard Power
L = Low Power
ORGANIZATION, 512K x 8
SRAM
WHITE EDC
DEVICE TYPE
512K x 8 SRAM
512K x 8 SRAM
512K x 8 SRAM
512K x 8 SRAM
SPEED
PACKAGE
32 pin DIP
32 pin DIP
32 pin DIP
32 pin DIP
SMD NO.
45ns
35ns
25ns
20ns
5962-92078 06HTX
5962-92078 07HTX
5962-92078 08HTX
5962-92078 09HTX
December 2004
Rev. 5
6
White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
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