Rainbow Electronics DS1094L - Manual (Page 3)

DS1094L
Multiphase Spread-Spectrum EconOscillator
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AC ELECTRICAL CHARACTERISTICS
(V CC = +3.0V to 3.6V, T A = -40°C to +85°C, unless otherwise noted.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Master Oscillator Frequency f MOSC 1 2 MHz
Output Frequency Tolerance ∆f OUT
V CC = 3.3V,
T A = +25°C (Note 8)
-2.5 +2.5 %
Voltage Frequency Variation ∆f OUT T A = +25°C (Note 2) -0.5 +0.5 %
0 to +70°C -1.1 +1.1
Temperature Frequency Variation ∆f OUT V CC = 3.3V (Note 2)
-40°C to +85°C -2.5 +1.1
%
DAC Step Size -0.75 +0.75 %
Peak-to-Peak Jitter (3σ) P1:P0 = 11 (Note 3) 8 %
Load Capacitance C L 15 50 pF
2 Phase 50
3 Phase 33.3 Output Duty Cycle (Note 4)
4 Phase 50
%
Power-Up Time
t POR +
t STAB
(Note 5) 0.1 0.5 ms
AC ELECTRICAL CHARACTERISTICS (See Figure 3)
(V CC = +3.0V to 3.6V, T A = -40°C to +85°C, unless otherwise noted. Timing referenced to V IL(MAX) and V IH(MIN) .)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
SCL Clock Frequency f
SCL
(Note 6) 0 400 kHz
Bus Free Time Between Stop and
Start Conditions
t BUF 1.3 µs
Hold Time (Repeated) Start
Condition
t HD:STA 0.6 µs
Low Period of SCL t LOW 1.3 µs
High Period of SCL t HIGH 0.6 µs
Data Hold Time t HD:DAT 0 0.9 µs
Data Setup Time t
SU:DAT
100 ns
Start Setup time t SU:STA 0.6 µs
SDA and SCL Rise Time t R (Note 7)
20 +
0.1C B
300 ns
SDA and SCL Fall Time t F (Note 7)
20 +
0.1C B
300 ns
Stop Setup Time t SU:STO 0.6 µs
SDA and SCL Capacitive
Loading
C B (Note 7) 400 pF
EEPROM Write Time t WR 5 10 ms
Input Capacitance C I 5 pF