lm9831 National Semiconductor Corporation, lm9831 Datasheet - Page 4

• Manufacturer Part Number: lm9831
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• Manufacturer: National Semiconductor Corporation

DC and Logic Electrical Characteristics
The following specifications apply for AGND=DGND=0V, V
f
CRYSTAL IN, CRYSTAL OUT Characteristics
XTAL
XTAL
Power Supply Characteristics
Digital Output Characteristics for D0-D15, A0-A9, RD, WR, RAS, CAS (DRAM Interface)
Digital Output Characteristics for A, B, A, B
Digital Output Characteristics for MISC I/O 1-6, TR1, TR2, ø1, ø2, RS, CP1, CP2, LAMP
Digital Output Characteristics for D+, D-
CRYSTAL IN
Symbol
V
V
V
V
V
V
V
V
I
DRAM
OUT(1)
OUT(0)
OUT(1)
OUT(0)
OUT(1)
OUT(0)
OUT(1)
OUT(0)
I
I
A
D
OUT DC
OUT AC
= 48MHz. Boldface limits apply for T
Logical “1” Output Voltage
Logical “0” Output Voltage
Logical “1” Output Voltage
Logical “0” Output Voltage
Logical “1” Output Voltage
Logical “0” Output Voltage
Logical “1” Output Voltage
Logical “0” Output Voltage
CRYSTAL OUT Bias Level (Offset)
CRYSTAL OUT Amplitude
Analog Supply Current
(V
Digital Supply Current
(V
DRAM Supply Current
(V
A
D
DRAM
pins)
pins)
pins)
Parameter
A
=T
J
=T
MIN
V
V
V
V
V
V
V
V
V
V
V
V
f
Operating
Suspend
Operating
Suspend (including I
Operating, V
Operating, V
Suspend
CRYSTAL
A
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
DRAM
D
D
D
D
=V
to T
=4.75V, I
=4.75V, I
=4.75V, I
=4.75V, I
D
=V
MAX
=4.75V, I
=2.85V, I
=4.75V, I
=2.85V, I
=4.75V, I
=2.85V, I
=4.75V, I
=2.85V, I
4
DRAM
(Continued)
= 48MHz
; all other limits T
Conditions
OUT
OUT
OUT
OUT
DRAM
DRAM
=+5.0V
=-4mA
=4mA
=-1mA
=3mA
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
= 5V
= 3V
=-4mA
=-4mA
=4mA
=4mA
=-10mA
=-10mA
=4mA
=4mA
DRAM
DC
unless otherwise noted,
)
A
=T
J
=25° C. (Notes 8, 9, & 10)
R
, LAMP
(Note 9)
Typical
0.8
0.8
87
37
14
10
14
1
5
G
, LAMP
(Note 10)
Limits
B
137
2.4
2.4
0.4
0.4
2.4
2.4
0.4
0.4
2.4
0.4
2.4
0.4
50
21
14
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mA (max)
mA (max)
mA (max)
mA (max)
µA (max)
µA (max)
µA (max)
(Limits)
V (max)
V (max)
V (max)
V (max)
V (max)
V (max)
V (min)
V (min)
V (min)
V (min)
V (min)
V (min)
Units
V
V
P-P