SP5748 Advance Information
ELECTRICAL CHARACTERISTICS (continued)
These characteristics are guaranteed by either production test or design. They apply within the specified
ambient temperature and supply voltage unless otherwise stated.
TAMB = -40°C to 80°C, VCC =+ 4·5V to +5·5V
Characteristic
Pin
Value
Units
Min
Typ
Max
Conditions
Clock rate
6
Bus timing -
data set up
data hold
enable set up
enable hold
clock to enable
Charge pump output
1
current
Charge pump output
1
leakage
Charge pump drive
14
output current
Crystal frequency
2,3
Recommended crystal
Oscillator temperature
stability
Oscillator supply voltage
stability
External reference input 2
frequency
External reference drive 2
level
500
kHz
5,6,4
300
600
300
600
300
See Figure4
ns
ns
ns
ns
ns
See Figure 5,
Vpin1 = 2V
+-3
+-10
nA Vpin1=2V
0.5
mA Vpin 14=0.7V
2
20
MHz See Figure 6 for application
10
200
Ω
4 MHz parallel resonant
crystal. series resistance
TBC ppm/oC
TBC ppm/V
2
20
MHz Sinewave coupled through
TBA nF blocking capacitor
0.2
0.5
Vpp Sinewave coupled through
TBA nF blocking capacitor
Buffered reference
9
frequency output *
output amplitude
output impedance
0.35
TBC
AC coupled
Vpp 2-20MHz
Ω
3