
DS80C320/DS80C323
110196 18/38
ELECTRICAL SPECIFICATIONS
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
Operating Temperature
Storage Temperature
Soldering Temperature
V
CC
=+5V 
±
 10%; t
A
=0
°
C to 70
°
C
–1.0V to +7.0V
–40
°
C to +85
°
C
–55
°
C to +125
°
C
260
°
C for 10 seconds
* This is a stress rating only and functional operation of the device at these or any other conditions above those
indicated in the operation sections of this specification is not implied.  Exposure to absolute maximum rating
conditions for extended periods of time may affect reliability.
DC ELECTRICAL CHARACTERISTICS
PARAMETER
Operating Supply Voltage
(0
°
C to 70
°
C; V
CC
=4.0V to 5.5V)
MAX
UNITS
5.5
V
SYMBOL
V
CC
V
PFW
V
RST
I
CC
MIN
4.5
TYP
5.0
NOTES
1
Power Fail Warning
4.25
4.38
4.55
V
1
Minimum Operating Voltage
4.0
4.1
4.25
V
1
Supply Current Active Mode 
@ 25 MHz
Supply Current Idle Mode 
@ 25 MHz
Supply Current Active Mode 
@ 33 MHz
Supply Current Idle Mode 
@ 33 MHz
Supply Current Stop Mode,
Band–gap Reference Disabled
Supply Current Stop Mode,
Band–gap Reference Enabled
Input Low Level
30
45
mA
2
I
IDLE
15
25
mA
3
I
CC
35
mA
2
I
IDLE
20
mA
3
I
STOP
.01
1
μ
A
4
I
SPBG
50
80
μ
A
4, 10
V
IL
V
IH1
–0.3
+0.8
V
1
Input High Level (Except XTAL1
and RST)
Input High Level XTAL1 and RST
2.0
V
CC
+0.3
V
1
V
IH2
V
OL1
3.5
V
CC
+0.3
0.45
V
1
Output Low Voltage Ports 1, 3,
@I
OL
=1.6 mA
Output Low Voltage Ports 0, 2,
ALE, PSEN @I
OL
=3.2 mA
Output High Voltage Ports 1, 3,
ALE, PSEN, @I
OH
=–50 
μ
A
Output High Voltage Ports 1, 3,
@I
OH
=–1.5 mA
Output High Voltage Ports 0, 2,
ALE, PSEN I
OH
=–8 mA
Input Low Current Ports 1, 3,
@0.45V
Transition Current from 1 to 0
Ports 1, 3, @2V
Input Leakage Port 0, Bus Mode
V
1
V
OL2
0.45
V
1, 5
V
OH1
2.4
V
1, 6
V
OH2
2.4
V
1, 7
V
OH3
2.4
V
1, 5
I
IL
–55
μ
A
I
TL
–650
μ
A
8
I
L
–300
+300
μ
A
K
9
RST Pull–down Resistance
R
RST
50
170