首页 |元器件品牌

WS1M8-20CM [WEDC]

2x512Kx8 DUALITHICTM SRAM; 2x512Kx8 DUALITHICTM SRAM
WS1M8-20CM
型号： WS1M8-20CM
厂家： WHITE ELECTRONIC DESIGNS CORPORATION    WHITE ELECTRONIC DESIGNS CORPORATION
描述：

2x512Kx8 DUALITHICTM SRAM
2x512Kx8 DUALITHICTM SRAM

存储 内存集成电路 静态存储器 输出元件 输入元件 CD
文件： 总6页 (文件大小：362K)
中文：  中文翻译
下载：  下载PDF数据表文档文件
 查看货源
WS1M8-XXX  
White Electronic Designs  
2x512Kx8 DUALITHIC™ SRAM  
FEATURES  
ꢀ
ꢀ
ꢀ
Access Times 17, 20, 25, 35, 45, 55ns  
Revolutionary, Center Power/Ground Pinout  
Packaging:  
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
Organized as two banks of 512Kx8  
Commercial, Industrial and Military Temperature Ranges  
5 Volt Power Supply  
Low Power CMOS  
TTL Compatible Inputs and Outputs  
• 32 pin, Hermetic Ceramic DIP (Package 300)  
• 36 lead Ceramic SOJ (Package 100)  
• 36 lead Ceramic Flatpack (Package 226)  
PIN CONFIGURATION FOR WS1M8-XDJX  
AND WS1M8-XFX  
PIN CONFIGURATION FOR WS1M8-XCX  
36 CSOJ  
32 DIP  
TOP VIEW  
36 FLATPACK  
TOP VIEW  
A18  
A16  
A14  
A12  
A7  
1
2
3
4
5
6
32  
VCC  
A0  
A1  
A2  
A3  
A4  
CS1#  
I/O0  
I/O1  
1
2
3
4
5
6
7
8
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
NC  
31 A15  
30 A17  
29 WE#  
28 A13  
27 A8  
A18  
A17  
A16  
A15  
OE#  
I/O7  
I/O6  
GND  
A6  
A5  
7
26 A9  
A4  
A3  
A2  
A1  
8
9
25 A11  
24 CS2#  
23 A10  
22 CS1#  
21 I/O7  
20 I/O6  
19 I/O5  
18 I/O4  
17 I/O3  
V
CC  
9
GND  
I/O2  
I/O3  
WE#  
A5  
A6  
A7  
A8  
A9  
10  
11  
12  
13  
14  
15  
16  
17  
18  
VCC  
10  
11  
12  
13  
14  
15  
16  
I/O5  
I/O4  
A14  
A13  
A12  
A11  
A0  
I/O0  
I/O1  
I/O2  
GND  
A10  
CS2#  
Pin Description  
Pin Description  
A0-18  
I/O0-7  
CS1-2#  
OE#  
Address Inputs  
A0-18  
I/O0-7  
Address Inputs  
Data Input/Output  
Chip Selects  
Output Enable  
Write Enable  
+5.0V Power  
Ground  
Data Input/Output  
CS1-2#  
WE#  
VCC  
Chip Selects  
Write Enable  
+5.0V Power  
Ground  
WE#  
VCC  
GND  
GND  
Block Diagram  
Block Diagram  
I/O0-7  
I/O0-7  
WE#  
OE#  
A0-18  
WE#  
A0-18  
512K x 8  
512K x 8  
512K x 8  
512K x 8  
CS1# (1)  
CS2# (1)  
CS1# (1)  
CS2# (1)  
NOTE:  
1. CS1# and CS2# are used to select the lower and upper 512Kx8 of the device. CS1# and CS2# must not be enabled at the same time.  
White Electronic Designs Corp. reserves the right to change products or specifications without notice.  
July 2004  
Rev. 5  
1
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com  
WS1M8-XXX  
White Electronic Designs  
ABSOLUTE MAXIMUM RATINGS  
TRUTH TABLE  
Parameter  
Symbol  
TA  
TSTG  
VG  
TJ  
Min  
-55  
-65  
-0.5  
Max  
+125  
+150  
VCC +0.5  
150  
Unit  
°C  
°C  
V
°C  
V
CS#  
H
L
L
L
OE# WE#  
Mode  
Standby  
Read  
Write  
Out Disable  
Data I/O  
High Z  
Data Out  
Data In  
High Z  
Power  
Standby  
Active  
Active  
Active  
Operating Temperature  
Storage Temperature  
Signal Voltage Relative to GND  
Junction Temperature  
Supply Voltage  
X
L
X
H
X
H
L
H
VCC  
-0.5  
7.0  
NOTE: OE# is internally tied to the GND and not accessible on the WS1M8-XCXX.  
RECOMMENDED OPERATING CONDITIONS  
CAPACITANCE  
TA = +25°C  
Parameter  
Supply Voltage  
Input High Voltage  
Input Low Voltage  
Operating Temp. (Mil.)  
Symbol  
VCC  
VIH  
Min  
4.5  
2.2  
Max  
5.5  
VCC + 0.3  
+0.8  
Unit  
V
V
Parameter  
Input capacitance  
Output capicitance  
Symbol  
CIN  
COUT  
Condition  
VIN = 0V, f = 1.0MHz  
VOUT = 0V, f = 1.0MHz  
Max  
20  
Unit  
pF  
20  
pF  
VIL  
TA  
-0.3  
-55  
V
°C  
+125  
This parameter is guaranteed by design but not tested.  
DC CHARACTERISTICS  
VCC = 5.0V, VSS = 0V, -55°C ≤ TA ≤ +125°C  
Parameter  
Sym  
Conditions  
Min  
Max  
10  
10  
180  
40  
0.4  
Units  
µA  
µA  
mA  
mA  
V
Input Leakage Current  
Output Leakage Current  
Operating Supply Current  
Standby Current  
Output Low Voltage  
Output High Voltage  
ILI  
ILO  
ICC  
ISB  
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 = 6mA  
1
1
1
VOL  
VOH  
IOH = -4.0mA  
2.4  
V
NOTE: DC test conditions: VIH = VCC -0.3V , VIL = 0.3V  
1. OE# is internally tied to the GND and not accessible on the WS1M8-XCXX.  
White Electronic Designs Corp. reserves the right to change products or specifications without notice.  
July 2004  
Rev. 5  
2
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com  
WS1M8-XXX  
White Electronic Designs  
AC CHARACTERISTICS  
VCC = 5.0V, VSS = 0V, -55°C ≤ TA ≤ +125°C  
-17  
-20  
-25  
-35  
-45  
-55  
Parameter  
Read Cycle  
Symbol  
Units  
Min Max Min Max 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  
tRC  
tAA  
tOH  
17  
0
20  
0
25  
0
35  
0
45  
0
55  
0
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
17  
20  
25  
35  
45  
55  
tACS  
17  
9
20  
10  
25  
12  
35  
25  
45  
25  
55  
25  
2
tOE  
1
tCLZ  
2
0
2
0
2
0
4
0
4
0
4
0
2
tOLZ  
tCHZ  
tOHZ  
1
9
9
10  
10  
12  
12  
15  
15  
20  
20  
20  
20  
2
1. This parameter is guaranteed by design but not tested.  
2. OE# is internally tied to the GND and not accessible on the WS1M8-XCXX.  
AC CHARACTERISTICS  
VCC = 5.0V, VSS = 0V, -55°C ≤ TA ≤ +125°C  
-17 -20 -25  
Parameter  
Write Cycle  
Symbol  
-35  
-45  
-55  
Units  
Write Cycle Time  
tWC  
tCW  
tAW  
tDW  
tWP  
tAS  
17  
14  
14  
9
14  
0
20  
14  
14  
10  
14  
0
25  
15  
15  
10  
15  
0
35  
25  
25  
20  
25  
0
45  
35  
35  
25  
35  
0
55  
50  
50  
25  
40  
0
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
2
0
3
0
4
0
4
5
5
5
5
1
tOW  
1
tWHZ  
tDH  
9
9
10  
15  
15  
25  
0
0
0
0
0
0
1. This parameter is guaranteed by design but not tested.  
AC TEST CIRCUIT  
AC TEST CONDITIONS  
Parameter  
Typ  
Unit  
V
ns  
V
Input Pulse Levels  
VIL = 0, VIH = 3.0  
IOL  
Input Rise and Fall  
5
Current Source  
Input and Output Reference Level  
Output Timing Reference Level  
1.5  
1.5  
V
Notes:  
D.U.T.  
VZ  
≈ 1.5V  
VZ is programmable from -2V to +7V.  
(Bipolar Supply)  
Ceff = 50 pf  
I
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  
White Electronic Designs Corp. reserves the right to change products or specifications without notice.  
July 2004  
Rev. 5  
3
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com  
WS1M8-XXX  
White Electronic Designs  
TIMING WAVEFORM – READ CYCLE  
tRC  
ADDRESS  
CS#  
tRC  
tAA  
tAA  
ADDRESS  
DATA I/O  
tCHZ  
tACS  
tCLZ  
tOH  
OE#  
PREVIOUS DATA VALID  
DATA VALID  
tOE  
tOLZ  
tOHZ  
READ CYCLE 1 (CS# = OE# = V , WE# = V  
)
IL IH  
DATA I/O  
DATA VALID  
HIGH IMPEDANCE  
READ CYCLE 2 (WE# = V  
IH  
)
NOTE: OE# is internally tied to the GND and not accessible on the WS1M8-XCXX.  
WRITE CYCLE – WE# CONTROLLED  
tWC  
ADDRESS  
tAW  
tAH  
tCW  
CS#  
tAS  
tWP  
WE#  
tOW  
tDH  
tDW  
DATA VALID  
WRITE CYCLE 1, WE# CONTROLLED  
tWHZ  
DATA I/O  
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  
White Electronic Designs Corp. reserves the right to change products or specifications without notice.  
July 2004  
Rev. 5  
4
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com  
WS1M8-XXX  
White Electronic Designs  
PACKAGE 100: 36 LEAD, CERAMIC SOJ  
23.37 (0.920) 0.25 (0.010)  
4.76 (0.184) MAX  
0.89 (0.035)  
Radius TYP  
0.20 (0.008)  
0.05 (0.002)  
11.3 (0.446)  
0.2 (0.009)  
9.55 (0.376) 0.25 (0.010)  
1.27 (0.050) 0.25 (0.010)  
PIN 1 IDENTIFIER  
1.27 (0.050) TYP  
21.59 (0.850) TYP  
0.43 (0.017)  
0.05 (0.002)  
ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES  
PACKAGE 226: 36 LEAD, CERAMIC FLAT PACK  
23.37 (0.920)  
0.25 (0.010)  
PIN 1  
IDENTIFIER  
3.18 (0.125)  
MAX  
12.95 (0.510)  
0.13 (0.005)  
12.7 (0.500)  
0.5 (0.020)  
5.1 (0.200)  
0.25 (0.010)  
0.43 (0.017)  
0.05 (0.002)  
1.27 (0.050) TYP  
21.59 (0.850) TYP  
0.127 (0.005)  
0.05 (0.002)  
3.8 (0.150)  
TYP  
32.64 (1.285) TYP  
38.1 (1.50) 0.4 (0.015)  
ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES  
White Electronic Designs Corp. reserves the right to change products or specifications without notice.  
July 2004  
Rev. 5  
5
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com  
WS1M8-XXX  
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)  
0.3 (0.012)  
4.34 (0.171) 0.79 (0.031)  
PIN 1 IDENTIFIER  
0.84 (0.033)  
0.4 (0.014)  
ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES  
ORDERING INFORMATION  
W S 1M8 X - XXX X X X  
LEAD FINISH:  
Blank = Gold plated leads  
A
= Solder dip leads  
DEVICE GRADE:  
M = Military Screened -55°C to +125°C  
I
C
=
=
Industrial  
Commercial  
-40°C to +85°C  
0°C to +70°C  
PACKAGE:  
32 pin Ceramic 0.600" DIP (Package 300)  
DJ = 36 Lead Ceramic SOJ (Package 100)  
36 Lead Ceramic Flatpack (Package 226)  
C
=
F
=
ACCESS TIME (ns)  
IMPROVEMENT MARK:  
Blank = Standard Power  
ORGANIZATION, two banks of 512K x 8  
SRAM  
WHITE ELECTRONIC DESIGNS CORP.  
White Electronic Designs Corp. reserves the right to change products or specifications without notice.  
July 2004  
Rev. 5  
6
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com  

相关型号：

WS1M8-20CMA

 2x512Kx8 DUALITHICTM SRAM

Warning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 202
-
WEDC

WS1M8-20DJC

 2x512Kx8 DUALITHICTM SRAM

Warning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 202
-
WEDC

WS1M8-20DJCA

 2x512Kx8 DUALITHICTM SRAM

Warning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 202
-
WEDC

WS1M8-20DJI

 2x512Kx8 DUALITHICTM SRAM

Warning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 202
-
WEDC

WS1M8-20DJIA

 2x512Kx8 DUALITHICTM SRAM

Warning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 202
-
WEDC

WS1M8-20DJM

 2x512Kx8 DUALITHICTM SRAM

Warning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 202
-
WEDC

WS1M8-20DJMA

 2x512Kx8 DUALITHICTM SRAM

Warning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 202
-
WEDC

WS1M8-20FC

 2x512Kx8 DUALITHICTM SRAM

Warning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 202
-
WEDC

WS1M8-20FCA

 2x512Kx8 DUALITHICTM SRAM

Warning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 202
-
WEDC

WS1M8-20FI

 2x512Kx8 DUALITHICTM SRAM

Warning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 202
-
WEDC
©2020 ICPDF网 联系我们和版权申明