8T49N012
Description
The 8T49N012 is a high performance Clock Generator with selectable LVPECL or Single-ended outputs. The 8T49N012 can generate selectable frequencies from a crystal or a single-ended reference clock. The frequency is selected from the Frequency Selection Table.
Excellent phase noise performance is maintained with IDT’s Fourth Generation Femto Clock® NG PLL technology.
Pin Assignment
VEE QA0_CMOS n QA0_CMOS VCCO_A QA1_CMOS n QA1_CMOS VEE QA2_CMOS n QA2_CMOS VCCO_A QA3_CMOS n QA3_CMOS VEE n OE_C
SE VCC XTAL_SEL PS_SEL VCCA VEE NA_DIV1 NA_DIV0 VCC_X XTAL_OUT XTAL_IN VEE CLK_IN n OE_B
56 55 54 53 52 51 50 49 48 47 46 45 44 43 1 42
2 41
3 40
4 39
5 38
6 37
8 35
9 34
10 33
11 32
12 31
13 30
14 29 15 16 17 18 19 20 21 22 23 24 25 26 27 28
QC0 n QC0 QC1 n QC1 VCCO_C QC2 n QC2 VEE QC3 n QC3 QC4 n QC4 QC5 n QC5
Features
- Fourth Generation Femto Clock NG PLL technology
- Three differential output banks: Bank A: selectable between four pairs of LVPECL or four pairs...