GTM Transceiver Transmitter and Receiver Switching Characteristics

Table 1. GTM Transceiver Transmitter Switching Characteristics
Symbol	Description	Conditions		Min	Typ	Max	Units
F_GTMPAMTX	Transmitter PAM4 serial data rate range			20.6	–	F_GTMPAMMAX	Gb/s
F_GTMNRZTX	Transmitter NRZ serial data rate range			10.3	–	F_GTMNRZMAX	Gb/s
T_SLEW	TX slew rate			–	4.76×10⁴	–	V/μs
T_{J4U112_PAM4}	TX uncorrelated jitter @10^–4	PAM4	112 Gb/s	–	–	0.118	UI
T_{EOJ112_PAM4}	TX even-odd jitter¹	PAM4	112 Gb/s	–	–	0.025	UI
T_{J4U106.25_PAM4}	TX uncorrelated jitter @10^–4	PAM4	106.25 Gb/s	–	–	0.118	UI
T_{EOJ106.25_PAM4}	TX even-odd jitter¹	PAM4	106.25 Gb/s	–	–	0.025	UI
T_{J4U82.5_PAM4}	TX uncorrelated jitter @10^–4	PAM4	82.5 Gb/s	–	–	0.118	UI
T_{EOJ82.5_PAM4}	TX even-odd jitter¹	PAM4	82.5 Gb/s	–	–	0.025	UI
T_{J4U76_PAM4}	TX uncorrelated jitter @10^–4	PAM4	76 Gb/s	–	–	0.118	UI
T_{EOJ76_PAM4}	TX even-odd jitter¹	PAM4	76 Gb/s	–	–	0.025	UI
T_{J4U56.5_PAM4}	TX uncorrelated jitter @10^–4	PAM4	56.5 Gb/s	–	–	0.118	UI
T_{EOJ56.5_PAM4}	TX even-odd jitter¹	PAM4	56.5 Gb/s	–	–	0.019	UI
T_{J4U53.125_PAM4}	TX uncorrelated jitter @10^–4	PAM4	53.125 Gb/s	–	–	0.118	UI
T_{EOJ53.125_PAM4}	TX even-odd jitter¹	PAM4	53.125 Gb/s	–	–	0.019	UI
T_{J4U28.21_PAM4}	TX uncorrelated jitter @10^–4	PAM4	28.21 Gb/s	–	–	0.118	UI
T_{EOJ28.21_PAM4}	Deterministic jitter¹	PAM4	28.21 Gb/s	–	–	0.019	UI
T_{J4U19_PAM4}	TX uncorrelated jitter @10^–4	PAM4	19 Gb/s	–	–	0.118	UI
T_{EOJ19_PAM4}	Deterministic jitter¹	PAM4	19 Gb/s	–	–	0.019	UI
T_{J29_NRZ}	Total jitter^{1, 2}	NRZ	29 Gb/s	–	–	0.28	UI
D_{J29_NRZ}	Deterministic jitter^{1, 2}	NRZ	29 Gb/s	–	–	0.17	UI
T_{J28.21_NRZ}	Total jitter^{1, 2}	NRZ	28.21 Gb/s	–	–	0.28	UI
D_{J28.21_NRZ}	Deterministic jitter^{1, 2}	NRZ	28.21 Gb/s	–	–	0.17	UI
T_{J26.5625_NRZ}	Total jitter^{1, 2}	NRZ	26.5625 Gb/s	–	–	0.28	UI
D_{J26.5625_NRZ}	Deterministic jitter^{1, 2}	NRZ	26.5625 Gb/s	–	–	0.17	UI
T_{J25.78125_NRZ}	Total jitter^{1, 2}	NRZ	25.78125 Gb/s	–	–	0.28	UI
D_{J25.78125_NRZ}	Deterministic jitter^{1, 2}	NRZ	25.78125 Gb/s	–	–	0.17	UI
T_{J24_NRZ}	Total jitter^{1, 2}	NRZ	24 Gb/s	–	–	0.28	UI
D_{J24_NRZ}	Deterministic jitter^{1, 2}	NRZ	24 Gb/s	–	–	0.17	UI
T_{J19.6_NRZ}	Total jitter^{1, 2}	NRZ	19.6 Gb/s	–	–	0.28	UI
D_{J19.6_NRZ}	Deterministic jitter^{1, 2}	NRZ	19.6 Gb/s	–	–	0.17	UI
T_{J9.5_NRZ}	Total jitter^{1, 2}	NRZ	9.5 Gb/s	–	–	0.28	UI
D_{J9.5_NRZ}	Deterministic jitter^{1, 2}	NRZ	9.5 Gb/s	–	–	0.17	UI
Using LCPLL_FBDIV = 40, 80-bit internal data width. These values are NOT intended for protocol specific compliance determinations. NRZ jitter values are based on a bit-error ratio of 10^–12.

Table 2. GTM Transceiver Receiver Switching Characteristics
Symbol	Description	Conditions		Min	Typ	Max	Units
F_GTMPAMRX	Receiver PAM4 serial data rate range			19.0	–	F_GTMPAM4MAX	Gb/s
F_GTMNRZRX	Receiver NRZ serial data rate range			9.5	–	F_GTMNRZ4MAX	Gb/s
R_XRL	Run length (CID)			–	–	128	UI
R_XPPMTOL	Data/REFCLK PPM offset tolerance			–200	–	200	ppm
SJ Jitter Tolerance^{1, 2, 3}
J_{T_SJ112_PAM4}	Sinusoidal jitter	PAM4	112 Gb/s	0.05	–	–	UI
J_{T_SJ106_PAM4}	Sinusoidal jitter	PAM4	106 Gb/s	0.05	–	–	UI
J_{T_SJ82.5_PAM4}	Sinusoidal jitter	PAM4	82.5 Gb/s	0.05	–	–	UI
J_{T_SJ76_PAM4}	Sinusoidal jitter	PAM4	76 Gb/s	0.05	–	–	UI
J_{T_SJ56.5_PAM4}	Sinusoidal jitter	PAM4	56.5 Gb/s	0.05	–	–	UI
J_{T_SJ53.125_PAM4}	Sinusoidal jitter	PAM4	53.125 Gb/s	0.05	–	–	UI
J_{T_SJ48_PAM4}	Sinusoidal jitter	PAM4	48 Gb/s	0.05	–	–	UI
J_{T_SJ39.2_PAM4}	Sinusoidal jitter	PAM4	39.2 Gb/s	0.05	–	–	UI
J_{T_SJ20.6_PAM4}	Sinusoidal jitter	PAM4	20.6 Gb/s	0.05	–	–	UI
J_{T_SJ29_NRZ}	Sinusoidal jitter	NRZ	29 Gb/s	0.3	–	–	UI
J_{T_SJ25.78125_NRZ}	Sinusoidal jitter	NRZ	25.78125 Gb/s	0.3	–	–	UI
J_{T_SJ19.6_NRZ}	Sinusoidal jitter	NRZ	19.6 Gb/s	0.3	–	–	UI
J_{T_SJ10.3_NRZ}	Sinusoidal jitter	NRZ	10.3 Gb/s	0.3	–	–	UI
J_{T_SJ9.5_NRZ}	Sinusoidal jitter	NRZ	9.5 Gb/s	0.3	–	–	UI
PAM4 values are measured at a bit error ratio of 10^–6. NRZ values are based on a bit error ratio of 10^–12. The frequency of the injected sinusoidal jitter is 20 MHz.