PIN # PIN NAME
PIN
TYPE
DESCRIPTION
INTERNAL
PULL UP
OR PULL
DOWN?
1 VDD PWR Power supply, nominal 3.3V N/A
2 SRC_IN IN 0.7 V Differential SRC TRUE input N/A
3 SRC_IN# IN 0.7 V Differential SRC COMPLEMENTARY input N/A
4 GND PWR Ground pin. N/A
5 VDD PWR Power supply, nominal 3.3V N/A
6 DIF_1 OUT 0.7V differential true clock output N/A
7 DIF_1# OUT 0.7V differential Complementary clock output N/A
8 OE_1 IN
Active high input for enabling output 1.
0 = tri-state outputs, 1= enable outputs
PULL UP
9 DIF_2 OUT 0.7V differential true clock output N/A
10 DIF_2# OUT 0.7V differential Complementary clock output N/A
11 VDD PWR Power supply, nominal 3.3V N/A
12 BYPASS#_SSCG IN
Input to select Bypass(fan-out) or SSCG (PLL) mode
0 = Bypass mode, 1= SSCG mode
PULL UP
13 SCLK IN Clock pin of SMBus circuitry, 5V tolerant. N/A
14 SDATA I/O Data pin for SMBus circuitry, 3.3V tolerant. N/A
15 PD# IN
Asynchronous active low input pin used to power down the device. The
internal clocks are disabled and the VCO and the crystal osc. (if any) are
stopped.
PULL UP
16 DIF_STOP# IN Active low input to stop differential output clocks. PULL UP
17 SPREAD_EN IN Asynchronous, active high input to enable spread spectrum functionality. PULL UP
18 VDD PWR Power supply, nominal 3.3V N/A
19 DIF_5# OUT 0.7V differential Complementary clock output N/A
20 DIF_5 OUT 0.7V differential true clock output N/A
21 OE_6 IN
Active high input for enabling output 6.
0 = tri-state outputs, 1= enable outputs
PULL UP
22 DIF_6# OUT 0.7V differential Complementary clock output N/A
23 DIF_6 OUT 0.7V differential true clock output N/A
24 VDD PWR Power supply, nominal 3.3V N/A
25 OE_INV IN
This latched input selects the polarity of the OE pins.
0 = OE pins active high, 1 = OE pins active low (OE#)
N/A
26 IREF OUT
This pin establishes the reference current for the differential current-mode