EDI8F32512B15MMC [WEDC]
SRAM Module, 512KX32, 15ns, PSMA72,;
| 型号： | EDI8F32512B15MMC |
| 厂家： | 
WHITE ELECTRONIC DESIGNS CORPORATION |
| 描述： | SRAM Module, 512KX32, 15ns, PSMA72, 静态存储器 |
| 文件： | 总7页 (文件大小：250K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
EDI8G32512C
White Electronic Designs
512Kx32 SRAM Module
FEATURES
DESCRIPTION
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512Kx32 bit CMOS Static
Random Access Memory
The EDI8F32512C is a high speed 16 megabit Static
RAM module organized as 512K words by 32 bits. This
module is constructed from four 512Kx8 Static RAMs in
SOJ packages on an epoxy laminate (FR4) board.
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Access Times: 15, 17, 20, 25 and 35ns
Individual Byte Selects
Four chip enables (E0#-E3#) are used to independently
enable the four bytes. Reading or writing can be
executed on individual bytes or any combination of
multiple bytes through proper use of selects.
Fully Static, No Clocks
TTL Compatible I/O
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High Density Package
The EDI8F32512C is offered in 72 pin ZIP and 72 lead
SIMM packages, which enable 16 megabits of memory
to be placed in less than 1.3 square inches of board
space.
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72 Pin ZIP, No. 173
72 lead SIMM, No. 174 (Gold Option)
Common Data Inputs and Outputs
All inputs and outputs are TTL compatible and operate
from a single 5V supply. Fully asynchronous circuitry
requires no clocks or refreshing for operation and
provides equal access and cycle times for ease of use.
Single +5V (±10%) Supply Operation
Pins PD1- PD4, are used to identify module memory
density in applications where alternate modules can be
interchanged.
*This product is subject to change without notice.
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
Sept. 2002Rev. 0A
1
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
EDI8G32512C
White Electronic Designs
PIN CONFIGURATION
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PIN NAMES
Address Inputs
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BLOCK DIAGRAM
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A0-A18
E0#-E3#
W#
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Chip Enables
Write Enable
Output Enable
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G#
DQ0-DQ31
Common Data
Input/Output
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VCC
VSS
NC
Power (+5V±10%)
Ground
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No Connection
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PD1, PD2,PD4 = OpenPD3 = VSS
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
Sept. 2002Rev. 0A
2
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
EDI8G32512C
White Electronic Designs
ABSOLUTE MAXIMUM RATINGS
RECOMMENDED OPERATING CONDITIONS
Voltage on any pin relative to VSS
-0.5V to 7.0V
Parameter
Sym
VCC
VSS
VIH
Min
4.5
0
Typ
5.0
0
Max
5.5
0
Units
Operating Temperature TA (Ambient)
Commercial
Supply Voltage
Supply Voltage
Input High Voltage
Input Low Voltage
V
V
V
V
0°C to +70°C
-40°C to +85°C
-55°C to +125°C
5.0 Watts
Industrial
2.2
-0.3
–
6.0
0.8
Storage Temperature, Plastic
Power Dissipation
VIL
–
Output Current
20 mA
CAPACITANCE
*Stress greater than those listed under "Absolute Maximum Ratings" may cause
permanent damage to the device. This is a stress rating only and functional operation
of the device at these or any other conditions greater than those indicated in the
operational sections of this specification is not implied. Exposure to absolute maximum
rating conditions for extended periods may affect reliability.
(f=1.0MHz, VIN=VCC or VSS)
Parameter
Sym
CI
Max
45
Unit
pF
Address Lines
Data Lines
CD/Q
CC
20
pF
Chip Enable Line
Write Line
20
pF
TRUTH TABLE
CN
45
pF
These parameters are sampled, not 100% tested.
E# W# G#
Mode
Standby
Read
Output
HIGH Z
DOUT
Power
ICC2/ICC3
ICC1
H
L
L
X
H
L
X
L
AC TEST CONDITIONS
X
Write
DIN
ICC1
Input Pulse Levels
VSS to 3.0V
5ns
Output
Deselect
Input Rise and Fall Times
Input and Output Timing Levels
Output Load
L
H
H
HIGH Z
ICC1
1.5V
1TTL, CL = 30pF
(Note: For tEHQZ, tGHQZ and tWLQZ, CL = 5pF)
DC ELECTRICAL CHARACTERISTICS
Parameter
Sym
ICC1
ICC2
ICC3
Conditions
Min
Typ*
Max
Units
mA
Operating Power Supply Current
W#, E# = VIL, II/O = 0mA, Min Cycle
E# ≥ VIH, VIN ≤ VIL or VIN ≥ VIH
800
300
Standby (TTL) Power Supply Current
mA
Full Standby Power Supply Current
CMOS
E# ≥ VCC-0.2V
VIN ≥ VCC-0.2V or VIN ≤ 0.2V
80
120
mA
mA
(BiCMOS)
Input Leakage Current
Output Leakage Current
Output High Voltage
ILI
VIN = 0V to VCC
V I/O = 0V to VCC
IOH = -4.0mA
–
–
–
–
–
–
±20
±20
–
µA
µA
V
ILO
VOH
VOL
2.4
–
Output Low Voltage
IOL = 8.0mA
0.4
V
*Typical: TA = 25°C, VCC = 5.0V
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
Sept. 2002Rev. 0A
3
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
EDI8G32512C
White Electronic Designs
AC CHARACTERISTICS READ CYCLE
Symbol
JEDEC
15ns
17ns
20ns
25ns
35ns
Parameter
Alt.
tRC
Min Max Min Max Min Max Min Max Min Max Units
Read Cycle Time
tAVAV
tAVQV
tELQV
tELQX
tEHQZ
tAVQX
tGLQV
tGLQX
tGHQZ
15
17
20
25
35
ns
ns
ns
ns
ns
ns
ns
ns
ns
Address Access Time
tAA
15
15
17
17
20
20
25
25
35
35
Chip Enable Access
tACS
tCLZ
tCHZ
tOH
Chip Enable to Output in Low Z (1)
Chip Disable to Output in High Z (1)
Output Hold from Address Change
Output Enable to Output Valid
Output Enable to Output in Low Z (1)
3
3
0
3
3
0
3
3
0
3
3
0
3
3
0
6
6
6
7
6
7
10
8
12
10
10
15
12
12
tOE
tOLZ
tOHZ
Output Disable to Output in High Z(1)
Note: 1. Parameter guaranteed, but not tested.
8
READ CYCLE 1 - W# HIGH, G#, E# LOW
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White Electronic Designs Corp. reserves the right to change products or specifications without notice.
Sept. 2002Rev. 0A
4
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
EDI8G32512C
White Electronic Designs
AC CHARACTERISTICS WRITE CYCLE
Symbol
JEDEC
15ns
17ns
20ns
25ns
35ns
Parameter
Alt.
Min
Max
Min
Max
Min
Max
Min
Max
Min
Max Units
Write Cycle Time
Chip Enable to End of Write
tAVAV
tWC
15
17
20
25
35
ns
tELWH
tELEH
tCW
tCW
8
8
12
12
15
15
20
20
25
25
ns
ns
Address Setup Time
Address Valid to End of Write
Write Pulse Width
tAVWL
tAVEL
tAS
tAS
0
0
0
0
0
0
0
0
0
0
ns
ns
tAVWH
tAVEH
tAW
tAW
8
8
12
12
15
15
15
15
20
20
ns
ns
tWLWH
tELEH
tWP
tWP
10
10
12
12
15
15
15
15
20
20
ns
ns
Write Recovery Time
Data Hold Time
tWHAX
tEHAX
tWR
tWR
0
0
0
0
0
0
0
0
0
0
ns
ns
tWHDX
tEHDX
tDH
tDH
0
0
0
0
0
0
0
0
0
0
ns
ns
Write to Output in High Z (1)
Data to Write Time
tWLQZ
tWHZ
tDW
0
6
0
8
0
8
0
12
0
15
ns
tDVWH
tDW
7
7
8
8
9
9
10
10
20
20
ns
ns
Output Active from End of Write (1)
tWHQX
tWLZ
3
3
3
3
3
ns
Note: 1. Parameter guaranteed, but not tested.
WRITE CYCLE 1 - W# CONTROLLED
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White Electronic Designs Corp. reserves the right to change products or specifications without notice.
Sept. 2002Rev. 0A
5
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
EDI8G32512C
White Electronic Designs
WRITE CYCLE 2 - E# CONTROLLED
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White Electronic Designs Corp. reserves the right to change products or specifications without notice.
Sept. 2002Rev. 0A
6
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
EDI8G32512C
White Electronic Designs
ORDERING INFORMATION
Part Number
Speed
(ns)
Package
No.
Part Number
Speed
(ns)
Package
No.
EDI8F32512C17MZC
EDI8F32512C20MZC
EDI8F32512C25MZC
EDI8F32512C35MZC
17
20
25
35
173
173
173
173
EDI8F32512B15MMC
EDI8F32512C17MMC
EDI8F32512C20MMC
EDI8F32512C25MMC
EDI8F32512C35MMC
EDI8G32512C17MMC
EDI8G32512C20MMC
EDI8G32512C25MMC
EDI8G32512C35MMC
15
17
20
25
35
17
20
25
35
174
174
174
174
174
174
174
174
174
Note: To order gold SIMM option, refer to "EDI8G32512CXXMMC";
to order plastic SIMM refer to "EDI8F32512CXXMMC".
PACKAGE DESCRIPTIONS
PACKAGE NO. 173 72 PIN ZIP
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PACKAGE NO. 174 72 LEAD SIMM
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White Electronic Designs Corp. reserves the right to change products or specifications without notice.
Sept. 2002Rev. 0A
7
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
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