si5338b Silicon Laboratories, si5338b Datasheet - Page 8

• Manufacturer Part Number: si5338b
• Description: I2c-programmable Any-rate , Any-output Quad Clock Generator
• Manufacturer: Silicon Laboratories

Si5338
8
Table 3. Input and Output Clock Characteristics (Continued)
(V
Output Clocks (Single-Ended)
Frequency*
CMOS 20%-80% Rise/
Fall Time
2 pF load
CMOS Output Resis-
tance
SSTL Output Resistance
HSTL Output Resistance
CMOS Output Voltage
SSTL Output Voltage
HSTL Output Voltage
Input Control Pins (IN3, IN4)
Input Voltage Low
Input Voltage High
Input Capacitance
Input Resistance
Output Control Pins (INTR)
Output Voltage Low
Rise/Fall Time
20–80%
*Note: R divider must be used for output frequencies < 5 MHz. See "2.10. R Divider Considerations" on page 19.
DD
= 1.8 V –5% to +10%, 2.5 V ±10%, or 3.3 V ±10%, T
Parameter
Symbol
f
t
V
V
V
V
V
t
V
V
V
V
V
V
C
OUT
V
R
V
R
R
OH
OH
OH
OH
OH
OL
OL
OL
OL
OL
OL
/t
IH
/t
IL
IN
IN
F
F
SSTL-18 VDDOx = 1.71
SSTL-2 VDDOx = 2.25
DRVn_SLEW[1:0] = 00
DRVn_SLEW[1:0] = 10
DRVn_SLEW[1:0] = 11
SSTL-3 VDDOx = 2.97
DRVn_SLEW[1:0]= 01
VDDO = 1.4 to 1.6 V
C
L
Test Condition
< 10 pf, pull up 
I
SSTL, HSTL
SINK
4 mA load
4 mA load
to 3.63 V
to 2.75 V
to 1.98 V
CMOS
1 k
= 3 mA
A
Rev. 0.3
= –40 to 85 °C)
.45xVDDO+.41
0.5xVDDO+.41
0.5xVDDO+.34
0.5xVDDO +.3
VDDO–.3
0.16
0.16
–0.1
Min
0.9
20
—
—
—
—
—
—
—
—
—
0
TBD
TBD
TBD
0.35
Typ
50
50
50
—
—
—
—
—
—
—
.45xVDDO
0.5xVDDO
0.5xVDDO
.5xVDDO
TBD
TBD
TBD
TBD
Max
–.41
–.41
–.34
3.63
200
350
–.3
0.3
0.4
10
—
—
—
.3
4
Units
MHz
MHz
k
pF
ns
ns
ns
ns
ns



V
V
V
V
V
V
V
V
V
V
V
V
V