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WED8L24514V Datasheet(PDF) 2 Page - White Electronic Designs Corporation

Part No. WED8L24514V
Description  Asynchronous SRAM, 3.3V, 512Kx24
Download  5 Pages
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Maker  WEDC [White Electronic Designs Corporation]
Homepage  http://www.whiteedc.com
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WED8L24514V Datasheet(HTML) 2 Page - White Electronic Designs Corporation

   
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White Electronic Designs Corporation • Westborough, MA • (508) 366-5151
WED8L24514V
Parameter
Sym
Max
Unit
Address Lines
CA
8
pF
Data Lines
CD/Q
10
pF
Write & Output Enable Lines
W, G
8
pF
Chip Enable Lines
EØ, E2, E3
8pF
*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.
NOTE: For tEHQZ,tGHQZ and tWLQZ, Figure 3
ABSOLUTE MAXIMUM RATINGS
AC TEST CONDITIONS
RECOMMENDED DC OPERATING CONDITIONS
Input Pulse Levels
VSS to 3.0V
Input Rise and Fall Times
5ns
Input and Output Timing Levels
1.5V
Output Load
Figure 2
Voltage on any pin relative to VSS
-0.5V to 4.6V
Operating Temperature TA (Ambient)
Commercial
0°C to + 70°C
Industrial
-40°C to +85°C
Storage Temperature
-55°C to +125°C
Power Dissipation
1.5 Watts
Output Current.
50 mA
Parameter
Sym
Min
Typ
Max
Units
Supply Voltage
VCC
3.135
3.3
3.465
V
Supply Voltage
VSS
000
V
Input High Voltage
VIH
2.2
VCC+0.3
V
Input Low Voltage
VIL
-0.3
0.8
V
FIG. 2
FIG. 3
(f=1.0MHZ, VIN=VCC OR VSS)
These parameters are sampled, not 100% tested.
DC ELECTRICAL CHARACTERISTICS
TRUTH TABLE
CAPACITANCE
G
E0
E2
E3
W
Mode
Output
Power
X
H
H
H
X
Standby
High Z
ICC2,ICC3
H
L
L
L
H
Output Deselect
High Z
ICC1
L
L
L
L
H
Read (24 bit)
DOUT
ICC1
L
L
H
H
H
Read
DQ0-7
ICC1
L
H
L
H
H
Read
DQ8-15
ICC1
L
H
H
L
H
Read
DQ16-23
ICC1
X
L
L
L
L
Write (24 bit)
DIN
ICC1
X
L
H
H
L
Write
DQ0-7
ICC1
X
H
L
H
L
Write
DQ8-15
ICC1
X
H
H
L
L
Write
DQ16-23
ICC1
353
5 pF
DOUT
319
VCC
RL = 50
VL = 1.5V
Q
Z0 = 50
Z0 = 50
65 pF
Parameter
Sym
Conditions
Min
Max
Units
10ns
12 - 15ns
Operating Power Supply Current
ICC1
W= VIL, II/O = 0mA,
450
350
mA
Min Cycle
Standby (TTL) Supply Current
ICC2
E > VIH, VIN < VIL or
150
150
mA
VIN > VIH, f=ØMHz
Full Standby CMOS
ICC3
E > VCC - 0.2V
90
90
mA
Supply Current
VIN > VCC - 0.2V or
VIN < 0.2V
Input Leakage Current
ILI
VIN = 0V to VCC
±10
±10
µA
Output Leakage Current
ILO
V I/O = 0V to VCC
±10
±10
µA
Output High Volltage
VOH
IOH = -4.0mA
2.4
V
Output Low Voltage
VOL
IOL = 4.0mA
0.4
0.4
V


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