DS1073 DALLAS [Dallas Semiconductor], DS1073 Datasheet - Page 15

• Manufacturer Part Number: DS1073
• Description: EconOscillator/Divider
• Manufacturer: DALLAS [Dallas Semiconductor]

AC ELECTRICAL CHARACTERISTICS (T
NOTES:
1. Additive to Df
2. This is the maximum frequency which can be applied to OSCIN, or, the maximum crystal frequency
3. The values of M, N and the frequency of OSCIN (if used) must be chosen so that this spec is met.
4. This is the time from when V
5. When the device is initially powered up, or restored from the power-down mode, OE should be
6. Although OE does not normally affect OUT0 operation, if OE is held low during power-up the start of
7. Operation with higher capacitive loads is possible but may impair output voltage swing and maximum
8. Parameter given is 3 sigma.
PARAMETER
Output Frequency
Accuracy
Combined Frequency
Variation
Long Term Stability
Maximum Input
Frequency
Minimum Output
Frequency
Power-Up Time
Enable OUT from
Enable OUT0 from
I/O Hi-Z from
OUT0 Hi-Z from
Load Capacitance
Output Duty Cycle
Jitter
(I/O, OUT0)
that can be used. If a crystal is used it must be operated in fundamental mode.
asserted (high). Otherwise the start of the t
subsequently be returned to a low level during the t
interval. If the external mode is selected t
clock frequency. See “Calculated Parameters” to determine the value of t
the t
operation frequency.
STAB
I/O
OUT0
period will be delayed until OE is asserted. If OE remains low, OUT0 will not start.
PDN ↓
O’
PDN ↓
.
PDN ↑
PDN ↑
SYMBOL
t
POR
CC
f
t
t
STABb
Df
OSCIN
f
Df
t
t
STAB
OUT
PDN
PDN
C
f
+ t
is applied until the output starts oscillating.
J
O
O”
O’
L
STB
Over temp and
CONDITION
External clock
V
STAB
T
CC
T = 25°C
reference
STAB
A
voltage
Crystal
15 of 18
= 3.15V,
= 25°C
will be a function of the OSCIN period, i.e., external
interval will be delayed until OE goes high. OE can
A
STAB
= 0°C to +70°C) (V
MIN
29.3
-0.5
-0.5
40
40
-1
interval to force out low after the t
TYP MAX UNITS
0.1
0.1
0.1
15
0
STAB
+0.5
+0.5
100
+1
50
25
60
60
1
1
1
1
1
in this case.
CC
=2.7V to 3.6V)
MHz
MHz
kHz
ms
ms
ms
ms
ms
pF
pS
%
%
%
%
%
NOTES
4, 5
5, 6
1
2
3
5
7
8
STAB
,