SH3000UM SEMTECH [Semtech Corporation], SH3000UM Datasheet - Page 5

• Manufacturer Part Number: SH3000UM
• Manufacturer: SEMTECH [Semtech Corporation]

Electrical Characteristics
Programmable Reset
High-Frequency Oscillator (HFO)
©2006 Semtech Corp.
POWER MANAGEMENT
POWER MANAGEMENT
Parameter
Minimum operating freq. (start-up default = 16MHz)
Maximum operating frequency
Frequency resolution
Programmed frequency accuracy at 25°C
Frequency drift over temperature and supply
CLKOUT cycle-to-cycle jitter (spread spectrum off)
Start-up time from standby
Settling time to 0.1% after HF digitally-controlled
oscillator (DCO) code change
CLK
Frequency temperature stability
Short-term frequency stability
Minimum spread spectrum range*
Maximum spread spectrum range*
CLKOUT rise/fall time (20pF load)
CLKOUT logic output low (4mA load)
CLKOUT logic output high (4mA load)
Parameter
V
V
V
V
V
Falling V
Threshold D
Minimum V
*Note: After power-up, spectrum spreading of the high-frequency oscillator is disabled.
DD
DD
DD
DD
DD
OUT
switching threshold after power-up
switching threshold for min code V
switching threshold for max code
threshold resolution
hysteresis
duty cycle
DD
DD
threshold switch delay
AC
for valid NRST and R
settling time
(continued)
ST
BO(MIN)
Symbol
SS(
SS(
Symbol
5
V
V
T
V
V
F
TDAC
T
F
F
F
V
F
DC
F
T
V
BO(MAX)
V
V
START
BO(PUP)
DRIFT
BO(MIN)
DD(MIN)
F
SETT
MAX
RES
Td
J
MIN
ST
TS
RF
OH
OL
RES
HYS
MAX
S
MIN
)
)
16.8
Min
-0.3
-0.4
40
2.27
Min
4.2
-0.25
±0.5
0.25
Typ
100
256
5.6
0.1
0.5
21
10
32
2
3
Typ
2.3
2.3
4.3
2.5
33
50
4
Max
+0.3
0.4
60
8
2
Max
2.33
4.4
1
www.semtech.com
SH3003
Ref VDD
ppm/°C
%/sec
Units
MHz
MHz
kHz
kHz
kHz
Units
μs
μs
ns
%
%
%
%
V
mV
mV
ms
μs
V
V
V
V