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WED8L24258V डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Asynchronous SRAM - White Electronic Designs

भाग संख्या WED8L24258V
समारोह Asynchronous SRAM
मैन्युफैक्चरर्स White Electronic Designs 
लोगो White Electronic Designs लोगो 
पूर्व दर्शन
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WED8L24258V pdf
WED8L24258V
ABSOLUTE MAXIMUM RATINGS
Voltage on any pin relative to VSS
Operating Temperature TA(Ambient)
Commercial
Industrial
Storage Temperature
Power Dissipation
Output Current.
-0.5V to 4.6V
0°C to + 70°C
-40°C to +85°C
-55°C to +125°C
1.5 Watts
50 mA
*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.
AC TEST CONDITIONS
Input Pulse Levels
Input Rise and Fall Times
Input and Output Timing Levels
Output Load
NOTE: For TEHQZ,TGHQZ and TWLQZ, Figure 3
VSS to 3.0V
5ns
1.5V
Figure 2
RECOMMENDED DC OPERATING CONDITIONS
Parameter
Supply Voltage
Supply Voltage
Input High Voltage
Input Low Voltage
Sym Min Typ Max Units
VCC 3.135 3.3 3.465 V
VSS 0 0 0 V
VIH 2.2 -- VCC+0.3 V
VIL -0.3 -- 0.8 V
FIG. 2
FIG. 3
Q Z0Z0==5500ΩΩ
RL = 50
VL = 1.5V
65 pF
DOUT
353
VCC
319
5 pF
DC ELECTRICAL CHARACTERISTICS
Parameter
Sym Conditions
Min Max
Units
10ns 12-15ns
Operating Power Supply Current ICC1
W= VIL, II/O = 0mA,
Min Cycle
500 480 mA
Standby (TTL) Supply Current
ICC2
E > VIH, VIN < VIL or
VIN > VIH, f=ØMHz
150 150 mA
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
TRUTH TABLE
G E0 E2 E3 W
Mode
Output Power
XH 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
LL H H H
Read
DQ0-7
ICC1
LH 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
XL H H L
Write
DQ0-7
ICC1
XH L H L
Write
DQ8-15
ICC1
X H H L L Write DQ16-23 ICC1
White Electronic Designs Corporation • (508) 366-5151 • www.whiteedc.com
2
CAPACITANCE
(f=1.0MHz, VIN=VCC or VSS)
Parameter
Address Lines
Data Lines
Write & Output Enable Lines
Chip Enable Lines
Sym
CA
CD/Q
W, G
EØ, E2, E3
These parameters are sampled, not 100% tested.
Max
8
10
8
8
Unit
pF
pF
pF
pF
July 2002 Rev. 0A
ECO #15432

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WED8L24258VAsynchronous SRAMWhite Electronic Designs
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