SH3002 Datasheet, PDF (15/22 Pages) Semtech Corporation – Reset Management and Clock Management Support IC for Microcontrollers

SH3002 MicroBuddy™
SYSTEM MANAGEMENT
Operating characteristics of the high-frequency oscillator (HFO)
Parameter
Minimum operating frequency (Start-up default = 2 MHz)
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)
Startup time from standby
Settling time to 0.1% after HF digitally-controlled oscillator
(DCO) code change
CLKOUT duty cycle
Frequency temperature stability
Short term frequency stability
Minimum spread spectrum range
Maximum spread spectrum range
CLKOUT rise/fall time (20 pF load)
CLKOUT logic output low (4 mA load)
CLKOUT logic output high (4 mA load)
Symbol Min
Fmin
Fmax
16.8
Fres
Fst
-0.3
Fdrift
J
Tstart
Tsett
DC
40
Fts
Fs
SSmin
SSmax
Trf
Vol
Voh
-0.4
Typ
Max
5.6
8
21
2
+0.3
±0.5
0.1
2
10
60
100
0.5
32
256
3
0.25
0.4
-0.25
Units
MHz
MHz
kHz
%
%
%
µs
µs
%
ppm/°C
%/sec
kHz
kHz
ns
V
Ref VDD
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