WS512K16-17DLC [WEDC]
512Kx16 SRAM MODULE; 512Kx16 SRAM模块
| 型号： | WS512K16-17DLC |
| 厂家： | 
WHITE ELECTRONIC DESIGNS CORPORATION |
| 描述： | 512Kx16 SRAM MODULE |
| 文件： | 总6页 (文件大小：322K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
WS512K16-XXX
White Electronic Designs
ADVANCED*
512Kx16 SRAM MODULE
FEATURES
ꢀ
ꢀ
Data I/O Compatible with 3.3V devices
ꢀ
ꢀ
ꢀ
Access Times 17, 20, 25, 35ns
2V Minimum Data Retention for battery back up
operation
MIL-STD-883 Compliant Devices Available
Packaging
ꢀ
Commercial, Industrial and Military Temperature
Range
• 44 pin Ceramic SOJ (Package 102)
• 44 lead Ceramic Flatpack (Package 209)
Organized as two banks of 256Kx16
Data Byte Control:
ꢀ
ꢀ
ꢀ
5 Volt Power Supply (3.3V parts also available)
Low Power CMOS
ꢀ
ꢀ
TTL Compatible Inputs and Outputs
Lower Byte (LB#) = I/O1-8
Upper Byte (UB#) = I/O9-16
* This product is under development, is not qualified or characterized and is subject to
change or cancellation without notice.
PIN CONFIGURATION FOR WS512K16-XXX
Pin Description
44 CSOJ
A0-17
LB#
UB#
I/O1-16
CS1-2#
OE#
WE#
VCC
Address Inputs
Lower-Byte Control (I/O1-8)
Upper-Byte Control (I/O9-16)
Data Input/Output
Chip Select
44 FLATPACK
Top View
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
1
2
3
4
5
6
7
8
A0
A1
A2
A3
A4
A17
A16
A15
Output Enable
Write Enable
+5.0V Power
Ground
OE#
UB#
LB#
I/O16
I/O15
I/O14
I/O13
GND
VCC
I/O12
I/O11
I/O10
I/O9
CS2#
A14
CS1#
I/O1
I/O2
I/O3
I/O4
VCC
GND
I/O5
I/O6
I/O7
I/O8
WE#
A5
GND
NC
No Connection
9
10
11
12
13
14
15
16
17
18
19
20
21
22
Block Diagram
A
0-17
WE#
OE#
UB#
LB#
A6
A7
A8
A9
A13
A12
A11
A10
256K x 16
256K x 16
CS1#
CS2#
I/O1-16
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
April 1998
1
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
WS512K16-XXX
White Electronic Designs
ADVANCED
TRUTH TABLE
CS1# CS2# WE#
OE#
X
LB#
X
UB#
X
Mode
Not Select
Data I/O
Power
Standby
H
L
H
H
H
L
X
I/O1-8
High Z
I/O9-16
H
H
X
X
X
Output Disable
High Z
Active
L
H
H
H
L
L
X
H
H
H
L
H
L
L
H
L
H
L
L
H
L
L
Data Out
High Z
Data Out
Data In
High Z
High Z
Data Out
Data Out
High Z
Data In
Data In
L
Read
Write
Active
Active
L
H
L
H
L
L
H
H
Data In
ABSOLUTE MAXIMUM RATINGS
RECOMMENDED OPERATING CONDITIONS
Parameter
Symbol
TA
TSTG
VG
TJ
VCC
Min
-55
-65
-0.5
Max
+125
+150
VCC+0.5
150
Unit
°C
°C
V
°C
V
Parameter
Supply Voltage
Input High Voltage
Input Low Voltage
Opertating Temp. (MIL)
Symbol
VCC
VIH
VIL
TA
Min
4.5
2.2
-0.3
-55
Max
5.5
VCC + 0.3
+0.8
Unit
V
V
V
°C
Operating Temperature
Storage Temperature
Signal Voltage Relative to GND
Junction Temperature
Supply Voltage
+125
-0.5
7.0
CAPACITANCE
TA = +25°C
Parameter
Input capacitance
Output capacitance
Symbol
Conditions
Max Unit
CIN
VIN = 0V, f = 1.0 MHz 25 pF
COUT VOUT = 0V, f = 1.0 MHz 25 pF
This parameter is guaranteed by design but not tested.
DC CHARACTERISTICS
VCC = 5.0V, VSS = 0V, -55°C ≤ TA ≤ +125°C
Parameter
Sym
ILI
ILO
ICC
ISB
Conditions
Min
Max
10
10
290
30
0.4
Units
µA
µA
mA
mA
V
Input Leakage Current
Output Leakage Current
Operating Supply Current
Standby Current
VCC = 5.5, VIN = GND to VCC
CS# = VIH, OE# = VIH, VOUT = GND to VCC
CS# = VIL, OE# = VIH, f = 5MHz, VCC = 5.5
CS# = VIH, OE# = VIH, f = 5MHz, VCC = 5.5
IOL = 8mA, VCC = 4.5
Output Low Voltage
Output High Voltage
VOL
VOH
IOH = -4.0mA, VCC = 4.5
2.4
V
NOTE: DC test conditions: VIH = VCC -0.3V, VIL = 0.3V
DATA RETENTION CHARACTERISTICS
-55°C ≤ TA ≤ +125°C
Characteristic
Data Retention Supply Voltage
Data Retention Current
Sym
VDR
ICCDR1
Conditions
CS# ≥ VCC -0.2V
VCC = 3V
Min
2.0
Typ
Max
5.5
12.0*
Units
µA
mA
2.0
* Also available in Low Power version. Please call factory for informaion.
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
April 1998
2
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
WS512K16-XXX
White Electronic Designs
ADVANCED
AC CHARACTERISTICS
VCC = 5.0V, GND = 0V, -55°C ≤ TA ≤ +125°C
Parameter
Read Cycle
Symbol
-17
-20
-25
-35
Units
Min
Max
Min
Max
Min
Max
Min
Max
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
LB#, UB# Access Time
tRC
tAA
17
20
25
35
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
17
20
25
35
tOH
tACS
tOE
0
0
0
0
17
10
20
12
25
15
35
20
1
tCLZ
2
0
5
0
5
0
5
0
1
tOLZ
1
tCHZ
tOHZ
tBA
tBLZ1
9
9
10
10
10
12
12
12
14
15
15
17
1
LB#, UB# Enable to Low Z Output
LB#, UB# Disable to High Z Output
0
0
0
0
tBHZ1
9
10
12
15
1. This parameter is guaranteed by design but not tested.
AC CHARACTERISTICS
VCC = 5.0V, GND = 0V, -55°C ≤ TA ≤ +125°C
Parameter
Symbol
-17
-20
-25
-35
Units
Write Cycle
Min
17
14
14
10
14
0
Max
Min
20
17
17
12
17
0
Max
Min
25
20
20
15
20
0
Max
Min
35
25
25
20
25
0
Max
Write Cycle Time
tWC
tCW
tAW
tDW
tWP
tAS
ns
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
Output Active from End of Write
Write Enable to Output in High Z
Data Hold Time
tAH
0
0
0
0
0
0
0
0
1
tOW
1
tWHZ
9
10
10
15
tDH
tBW
0
14
0
17
0
20
0
25
LB#, UB# Valid to End of Write
1. This parameter is guaranteed by design but not tested.
AC TEST CIRCUIT
AC Test Conditions
IOL
Parameter
Input Pulse Levels
Input Rise and Fall
Input and Output Reference Level
Output Timing Reference Level
Notes:
Typ
Unit
V
ns
V
Current Source
VIL = 0, VIH = 3.0
5
1.5
1.5
V
VZ 1.5V
(Bipolar Supply)
D.U.T.
Ceff = 50 pf
V
Z is programmable from -2V to +7V.
OL & IOH programmable from 0 to 16mA.
Tester Impedance Z0 = 75Ω.
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.
I
V
.
IOH
I
Current Source
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
April 1998
3
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
WS512K16-XXX
White Electronic Designs
ADVANCED
TIMING WAVEFORM – READ CYCLE
tRC
ADDRESS
CS#
tAA
tCHZ
tACS
LB#, UB#
tBHZ
tBA
tBLZ
tCLZ
OE#
tOE
tOLZ
tOHZ
DATA I/O
DATA VALID
HIGH IMPEDANCE
READ CYCLE 1, (CS# = OE# = VIL, UB# or LB# = VIL, WE# = VIH
)
READ CYCLE 2 (WE# = VIH
)
WRITE CYCLE – WE# CONTROLLED
tWC
ADDRESS
tAW
tAH
tCW
CS#
tBW
LB#, UB#
tAS
tWP
WE#
tOW
tDH
tWHZ
tDW
DATA I/O
DATA VALID
WRITE CYCLE 1, WE# CONTROLLED
WRITE CYCLE – CS# CONTROLLED
WRITE CYCLE – LB#, UB# CONTROLLED
tWC
tWC
ADDRESS
ADDRESS
tAW
tAW
tAH
tAH
tAS
tAS
tCW
tCW
CS#
LB#, UB#
WE#
CS#
LB#, UB#
WE#
tBW
tBW
tWP
tWP
tDW
tDH
tDW
tDH
DATA I/O
DATA I/O
DATA VALID
DATA VALID
WRITE CYCLE 3, LB#, UB# CONTROLLED
WRITE CYCLE 2, CS# CONTROLLED
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
April 1998
4
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
WS512K16-XXX
White Electronic Designs
ADVANCED
PACKAGE 102: 44 LEAD, CERAMIC SOJ
28.70 (1.13) 0.25 (0.010)
3.96 (0.156) MAX
0.89 (0.035)
Radius TYP
0.2 (0.008)
0.05 (0.002)
9.55 (0.376)
0.25 (0.010)
11.3 (0.446)
0.2 (0.009)
1.27 (0.050)
0.25 (0.010)
PIN 1 IDENTIFIER
1.27 (0.050) TYP
26.7 (1.050) TYP
ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES
PACKAGE 209: 44 LEAD, CERAMIC FLAT PACK
28.45 (1.120)
0.26 (0.010)
PIN 1
3.18 (0.125)
MAX
IDENTIFIER
12.95 (0.510)
0.13 (0.005)
9.90 (0.390)
0.13 (0.005)
10.16 (0.400)
0.51 (0.020)
0.43 (0.017)
0.05 (0.002)
1.27 (0.050) TYP
0.13 (0.005)
0.05 (0.002)
26.67 (1.050) TYP
ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
April 1998
5
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
WS512K16-XXX
White Electronic Designs
ADVANCED
ORDERING INFORMATION
W S 512K16 - XX X X X
LEAD FINISH:
Blank = Gold plated leads
A = Solder dip leads
DEVICE GRADE:
M = Military Screened
I = Industrial
-55°C to +125°C
-40°C to +85°C
0°C to +70°C
C = Commercial
PACKAGE TYPE:
DL = 44 Lead Ceramic SOJ (Package 102)
FL = 44 Lead Ceramic Flatpack (Package 209)
ACCESS TIME (ns)
ORGANIZATION, two banks of 256Kx16
SRAM
WHITE ELECTRONIC DESIGNS CORPORATION
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
April 1998
6
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
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