CML SerDes Inputs: RX[7:0]+/- |
|
VDIFF |
Receiver input amplitude |
|
50 |
|
1200 |
mV |
VCOM |
Input Common Mode Voltage |
TERM = 111 |
|
600 |
|
mV |
TERM = 001 |
|
700 |
|
TERM = 100 |
|
0 |
|
TERM = 101 |
|
250 |
|
ZDDIFF |
Internal differential termination |
|
85 |
100 |
115 |
Ω |
fSerDes |
SerDes bit rate |
DAC38RF89 |
0.78125 |
|
12.5 |
Gbps |
DAC38RF82 |
0.78125 |
|
12.8 |
Gbps |
Differential Clock Inputs: SYSREF±, DACCLK± |
|
fDACCLK |
DACCLK input frequency |
|
0.1 |
|
9 |
GHz |
VCOM |
Input common mode voltage |
|
|
0.5 |
|
V |
VI(DPP) |
Differential input peak-to-peak voltage |
|
|
800 |
2000 |
mV |
ZT |
Internal termination |
|
|
100 |
|
Ω |
CL |
Input capacitance |
|
|
2 |
|
pF |
|
Duty cycle (DACCLK only |
|
40% |
|
60% |
|
LVDS Output: SYNC0±, SYNC1± |
|
VCOM |
Output common mode voltage |
|
|
1.2 |
|
V |
ZT |
Internal termination |
|
|
100 |
|
Ω |
VOD |
Differential output voltage swing |
|
|
500 |
|
mV |
CML Output: DIVCLKOUT± |
|
VOD |
CML OUTPUT: CLKTX+/- |
|
|
1300 |
|
mV |
CMOS Interface: SDEN, SCLK, SDIO, SDO, TXENABLE, ALARM, RESET, SLEEP, TMS, TCLK, TDI, TDO, TRST, TESTMODE, SYNCSE1, SYNCSE2 |
|
VIH |
High-level input voltage |
|
0.7 x VDDIO |
|
|
V |
VIL |
Low-level input voltage |
|
|
|
0.3 x VDDIO |
V |
IIH |
High-level input current |
|
–40 |
|
40 |
µA |
IIL |
Low-level input current |
|
–40 |
|
40 |
µA |
CI |
CMOS input capacitance |
|
|
2 |
|
pF |
VOH |
High-level output voltage |
ILOAD = –100 µA |
VDDIO – 0.2 |
|
|
V |
ILOAD = –2 mA |
0.8 x VDDIO |
|
|
VOL |
Low-level output voltage |
ILOAD = 100 µA |
|
|
0.2 |
V |
ILOAD = 2 mA |
|
|
0.5 |
Latency |
|
|
RX SerDes Digital Delay |
full rate, RATE = “00” |
|
34 |
|
UI |
half rate, RATE = “01” |
|
29 |
|
quarter rate, RATE = “10” |
|
26.5 |
|
eighth rate, RATE = “11” |
|
26.25 |
|
|
SerDes output to JED204B elastic buffer input latency |
|
|
21 -39 |
|
JESD clock cycles |
|
Digital Latency: JESD Buffer to DAC Output |
LMFSHD = 41121 or 82121, 1x Interpolation |
|
269 |
|
DAC clock cycles |
LMFSHD = 41121 or 82121, 2x Interpolation |
|
417 |
|
LMFSHD = 41121 or 82121, 4x Interpolation |
|
717 |
|
LMFSHD = 41380 or 82380, 1x Interpolation |
|
293 |
|
LMFSHD = 41380 or 82380, 2x Interpolation |
|
465 |
|
LMFSHD = 81180, 1x Interpolation |
|
289 |
|
LMFSHD = 82121, 6x Interpolation |
|
269 |
|
LMFSHD = 82121, 8x Interpolation |
|
1120 |
|
LMFSHD = 82121, 12x Interpolation |
|
1602 |
|
LMFSHD = 82121, 16x Interpolation |
|
2091 |
|
LMFSHD = 42111 or 84111, 6x Interpolation |
|
817 |
|
LMFSHD = 42111 or 84111, 8x Interpolation |
|
1057 |
|
LMFSHD = 42111 or 84111, 10x Interpolation |
|
1184 |
|
LMFSHD = 42111 or 84111, 12x Interpolation |
|
1532 |
|
LMFSHD = 42111 or 84111, 16x Interpolation |
|
1997 |
|
LMFSHD = 42111 or 84111, 18x Interpolation |
|
2142 |
|
LMFSHD = 42111 or 84111, 24x Interpolation |
|
2941 |
|
LMFSHD = 22210 or 44210, 8x Interpolation |
|
1020 |
|
LMFSHD = 22210 or 44210, 12x Interpolation |
|
1473 |
|
LMFSHD = 22210 or 44210, 16x Interpolation |
|
1917 |
|
LMFSHD = 22210 or 44210, 18x Interpolation |
|
2050 |
|
LMFSHD = 22210 or 44210, 20x Interpolation |
|
2275 |
|
LMFSHD = 22210 or 44210, 24x Interpolation |
|
2821 |
|
LMFSHD = 12410 or 24410, 16x Interpolation |
|
1912 |
|
LMFSHD = 12410 or 24410, 24x Interpolation |
|
2786 |
|
LMFSHD = 44210 or 88210, 8x Interpolation |
|
916 |
|
LMFSHD = 44210 or 88210, 12x Interpolation |
|
1317 |
|
LMFSHD = 44210 or 88210, 16x Interpolation |
|
1709 |
|
LMFSHD = 44210 or 88210, 24x Interpolation |
|
2509 |
|
LMFSHD = 24410 or 48410, 16x Interpolation |
|
1672 |
|
LMFSHD = 24410 or 48410, 24x Interpolation |
|
1593 |
|
|
SYSREF TO JESD LMFC RESET |
LMFSHD = 41121 or 82121, 1x Interpolation |
|
13 |
|
JESD clock cycles |
LMFSHD = 41121 or 82121, 2x Interpolation |
|
9 |
|
LMFSHD = 41121 or 82121, 4x Interpolation |
|
6 |
|
LMFSHD = 41380 or 82380, 1x Interpolation |
|
15 |
|
LMFSHD = 41380 or 82380, 2x Interpolation |
|
10 |
|
LMFSHD = 81180, 1x Interpolation |
|
6 |
|
LMFSHD = 82121, 6x Interpolation |
|
5 |
|
LMFSHD = 82121, 8x Interpolation |
|
5 |
|
LMFSHD = 82121, 12x Interpolation |
|
5 |
|
LMFSHD = 82121, 16x Interpolation |
|
5 |
|
LMFSHD = 42111 or 84111, 6x Interpolation |
|
16 |
|
LMFSHD = 42111 or 84111, 8x Interpolation |
|
16 |
|
LMFSHD = 42111 or 84111, 10x Interpolation |
|
15 |
|
LMFSHD = 42111 or 84111, 12x Interpolation |
|
15 |
|
LMFSHD = 42111 or 84111, 16x Interpolation |
|
13 |
|
LMFSHD = 42111 or 84111, 18x Interpolation |
|
15 |
|
LMFSHD = 42111 or 84111, 24x Interpolation |
|
15 |
|
LMFSHD = 22210 or 44210, 8x Interpolation |
|
8 |
|
LMFSHD = 22210 or 44210, 12x Interpolation |
|
7 |
|
LMFSHD = 22210 or 44210, 16x Interpolation |
|
6 |
|
LMFSHD = 22210 or 44210, 18x Interpolation |
|
7 |
|
LMFSHD = 22210 or 44210, 20x Interpolation |
|
5 |
|
LMFSHD = 22210 or 44210, 24x Interpolation |
|
4 |
|
LMFSHD = 12410 or 24410, 16x Interpolation |
|
9 |
|
LMFSHD = 12410 or 24410, 24x Interpolation |
|
7 |
|
LMFSHD = 44210 or 88210, 8x Interpolation |
|
29 |
|
LMFSHD = 44210 or 88210, 12x Interpolation |
|
27 |
|
LMFSHD = 44210 or 88210, 16x Interpolation |
|
26 |
|
LMFSHD = 44210 or 88210, 24x Interpolation |
|
25 |
|
LMFSHD = 24410 or 48410, 16x Interpolation |
|
8 |
|
LMFSHD = 24410 or 48410, 24x Interpolation |
|
6 |
|