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DP8422A Datasheet(PDF) 41 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # DP8422A
Description  microCMOS Programmable 256k/1M/4M Dynamic RAM Controller/Drivers
PDF  58 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

DP8422A Datasheet(HTML) 41 Page - National Semiconductor (TI)

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110 Absolute Maximum Ratings (Note 1)
If MilitaryAerospace specified devices are required
please contact the National Semiconductor Sales
OfficeDistributors for availability and specifications
Temperature under Bias
0 Cto a70 C
Storage Temperature
b
65 Cto a150 C
All Input or Output Voltage
with Respect to GND
b
05V to a7V
Power Dissipation
20 MHz
05W
ESD Rating to be determined
120 DC Electrical Characteristics TA e 0 Cto a70 C VCC e 5V g10% GND e 0V
Symbol
Parameter
Conditions
Min
Typ
Max
Units
VIH
Logical 1 Input Voltage
Tested with a Limited
20
VCC a 05
V
Functional Pattern
VIL
Logical 0 Input Voltage
Tested with a Limited
b
05
08
V
Functional Pattern
VOH1
Q and WE Outputs
IOH eb10 mA
VCC b 10
V
VOL1
Q and WE Outputs
IOL e 10 mA
05
V
VOH2
All Outputs except Qs WE
IOH eb3mA
VCC b 10
V
VOL2
All Outputs except Qs WE
IOL e 3 mA
05
V
IIN
Input Leakage Current
VIN e VCC or GND
b
10
10
m
A
IIL ML
ML Input Current (Low)
VIN e GND
200
m
A
ICC1
Standby Current
CLK at 8 MHz (VIN e VCC or GND)
6
15
mA
ICC1
Standby Current
CLK at 20 MHz (VIN e VCC or GND)
8
17
mA
ICC1
Standby Current
CLK at 25 MHz (VIN e VCC or GND)
10
20
mA
ICC2
Supply Current
CLK at 8 MHz (Inputs Active)
20
40
mA
(ILOAD e 0) (VIN e VCC or GND)
ICC2
Supply Current
CLK at 20 MHz (Inputs Active)
40
75
mA
(ILOAD e 0) (VIN e VCC or GND)
ICC2
Supply Current
CLK at 25 MHz (Inputs Active)
50
95
mA
(ILOAD e 0) (VIN e VCC or GND)
CIN
Input Capacitance
fIN at 1 MHz
10
pF
CIN is not 100% tested
41



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