
3
Specifications CDP6872
Absolute Maximum Ratings
Operating Conditions
Operating Temperature (Note 3) . . . . . . . . . . . . . . . .-40
o
C to +85
o
C
Storage Temperature Range. . . . . . . . . . . . . . . . . .-65
o
C to +150
o
C
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10.0V
Voltage (any pin). . . . . . . . . . . . . . . . . . . . . . .V
SS
-0.3V to V
DD
+0.3V
Junction Temperature (Plastic Package) . . . . . . . . . . . . . . . +150
o
C
ESD Rating (Note 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >4000V
Lead Temperature (Soldering 10s). . . . . . . . . . . . . . . . . . . . +300
o
C
(SOIC - Lead Tip Only)
Thermal Information
(Typical)
Thermal Resistance (
o
C/W)
8 Lead Plastic DIP. . . . . . . . . . . . . . . . . . . . . . . . . . . .
8 Lead Plastic SOIC . . . . . . . . . . . . . . . . . . . . . . . . . .
θ
JA
125
170
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation
of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
Electrical Specifications
V
SS
= GND, T
A
= +25
o
C, Unless Otherwise Specified
PARAMETER
V
DD
= 5V
V
DD
= 3V
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
V
DD
Supply Range (f
OSC
= 32kHz)
2
5
7
-
-
-
V
I
DD
Supply Current
f
OSC
= 32kHz, EN = 0 Standby
-
5.0
9.0
-
-
-
μ
A
f
OSC
= 32kHz, C
L
= 10pF (Note 1), EN = 1, Freq1 = 1, Freq2 = 1
-
5.2
10.2
-
3.6
6.1
μ
A
f
OSC
= 32kHz, C
L
= 40pF, EN = 1, Freq1 = 1, Freq2 = 1
-
10
15
-
6.5
9
μ
A
f
OSC
= 1MHz, C
L
= 10pF (Note 1), EN = 1, Freq1 = 0, Freq2 = 1
-
130
200
-
90
180
μ
A
f
OSC
= 1MHz, C
L
= 40pF, EN = 1, Freq1 = 0, Freq2 = 1
-
270
350
-
180
270
μ
A
V
OH
Output High Voltage (I
OUT
= -1mA)
4.0
4.9
-
-
2.8
-
V
V
OL
Output Low Voltage (I
OUT
= 1mA)
-
0.07
0.4
-
0.1
-
V
I
OH
Output High Current (V
OUT
≥
4V)
-
-10
-5
-
-
-
mA
I
OL
Output Low Current (V
OUT
≤
0.4V)
5.0
10.0
-
-
-
-
mA
Three-State Leakage Current
(V
OUT
= 0V, 5V, T
A
= 25
o
C, -40
o
C)
-
0.1
-
-
-
-
nA
(V
OUT
= 0V, 5V, T
A
= 85
o
C)
-
10
-
-
-
-
nA
I
IN
Enable, Freq1, Freq2 Input Current (V
IN
= V
SS
to V
DD
)
-
0.4
1.0
-
-
-
μ
A
V
IH
Input High Voltage Enable, Freq1, Freq2
2.0
-
-
-
-
-
V
V
IL
Input Low Voltage Enable, Freq1, Freq2
-
-
0.8
-
-
-
V
Enable Time (C
L
= 18pF, R
L
= 1k
)
-
800
-
-
-
-
ns
Disable Time (C
L
= 18pF, R
L
= 1k
)
-
90
-
-
-
-
ns
t
R
Output Rise Time (10% - 90%, f
OSC
= 32kHz, C
L
= 40pF)
-
12
25
-
12
-
ns
t
F
Output Fall Time (10% - 90%, f
OSC
= 32kHz, C
L
= 40pF)
-
12
25
-
14
-
ns
Duty Cycle (C
L
= 40pF) f
OSC
= 1MHz, Packaged Part Only (Note 4)
40
54
60
-
-
-
%
Duty Cycle (C
L
= 40pF) f
OSC
= 32kHz, (See Typical Curves)
-
41
-
-
44
-
%
Frequency Stability vs. Supply Voltage (f
OSC
= 32kHz, V
DD
= 5V, C
L
=10pF)
-
1
-
-
-
-
ppm/V
Frequency Stability vs. Temperature (f
OSC
= 32kHz, V
DD
= 5V, C
L
=10pF)
-
0.1
-
-
-
-
ppm/
o
C
Frequency Stability vs. Load (f
OSC
= 32kHz, V
DD
= 5V, C
L
=10pF)
-
0.01
-
-
-
-
ppm/pF
NOTES:
1. Calculated using the equation I
DD
= I
DD
(No Load) + (V
DD
) (f
OSC
)(C
L
)
2. Human body model.
3. This product is production tested at +25
o
C only.
4. Duty cycle will vary with supply voltage, oscillation frequency, and parasitic capacitance on the crystal pins.