Xilinx DS610 manual QuietIO 25.92, QuietIO 24.97

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DC and Switching Characteristics

Table 24: Output Timing Adjustments for IOB (Continued)

			Add the
			Adjustment
Convert Output Time from			Below
LVCMOS25 with 12mA Drive and
			Speed Grade
Fast Slew Rate to the Following
Signal Standard (IOSTANDARD)			-5	-4	Units
LVCMOS25	Slow	2 mA	5.33	5.33	ns
		4 mA	2.81	2.81	ns
		6 mA	2.82	2.82	ns
		8 mA	1.14	1.14	ns
		12 mA	1.10	1.10	ns
		16 mA	0.83	0.83	ns
		24 mA	2.26	2.26	ns
	Fast	2 mA	4.36	4.36	ns
		4 mA	1.76	1.76	ns
		6 mA	1.25	1.25	ns
		8 mA	0.38	0.38	ns
		12 mA	0.00	0.00	ns
		16 mA	0.01	0.01	ns
		24 mA	0.01	0.01	ns
	QuietIO	2 mA	25.92	25.92	ns
		4 mA	25.92	25.92	ns
		6 mA	25.92	25.92	ns
		8 mA	15.57	15.57	ns
		12 mA	15.59	15.59	ns
		16 mA	14.27	14.27	ns
		24 mA	11.37	11.37	ns
LVCMOS18	Slow	2 mA	4.48	4.48	ns
		4 mA	3.69	3.69	ns
		6 mA	2.91	2.91	ns
		8 mA	1.99	1.99	ns
		12 mA	1.57	1.57	ns
		16 mA	1.19	1.19	ns
	Fast	2 mA	3.96	3.96	ns
		4 mA	2.57	2.57	ns
		6 mA	1.90	1.90	ns
		8 mA	1.06	1.06	ns
		12 mA	0.83	0.83	ns
		16 mA	0.63	0.63	ns
	QuietIO	2 mA	24.97	24.97	ns
		4 mA	24.97	24.97	ns
		6 mA	24.08	24.08	ns
		8 mA	16.43	16.43	ns
		12 mA	14.52	14.52	ns
		16 mA	13.41	13.41	ns

Table 24: Output Timing Adjustments for IOB (Continued)

			Add the
			Adjustment
Convert Output Time from			Below
LVCMOS25 with 12mA Drive and
			Speed Grade
Fast Slew Rate to the Following
Signal Standard (IOSTANDARD)			-5	-4	Units
LVCMOS15	Slow	2 mA	5.82	5.82	ns
		4 mA	3.97	3.97	ns
		6 mA	3.21	3.21	ns
		8 mA	2.53	2.53	ns
		12 mA	2.06	2.06	ns
	Fast	2 mA	5.23	5.23	ns
		4 mA	3.05	3.05	ns
		6 mA	1.95	1.95	ns
		8 mA	1.60	1.60	ns
		12 mA	1.30	1.30	ns
	QuietIO	2 mA	34.11	34.11	ns
		4 mA	25.66	25.66	ns
		6 mA	24.64	24.64	ns
		8 mA	22.06	22.06	ns
		12 mA	20.64	20.64	ns
LVCMOS12	Slow	2 mA	7.14	7.14	ns
		4 mA	4.87	4.87	ns
		6 mA	5.67	5.67	ns
	Fast	2 mA	6.77	6.77	ns
		4 mA	5.02	5.02	ns
		6 mA	4.09	4.09	ns
	QuietIO	2 mA	50.76	50.76	ns
		4 mA	43.17	43.17	ns
		6 mA	37.31	37.31	ns
PCI33_3			0.34	0.34	ns
PCI66_3			0.34	0.34	ns
PCIX			0.34	0.34	ns
HSTL_I			0.78	0.78	ns
HSTL_III			1.16	1.16	ns
HSTL_I_18			0.35	0.35	ns
HSTL_II_18			0.30	0.30	ns
HSTL_III_18			0.47	0.47	ns
SSTL18_I			0.40	0.40	ns
SSTL18_II			0.30	0.30	ns
SSTL2_I			0.00	0.00	ns
SSTL2_II			-0.05	-0.05	ns
SSTL3_I			0.00	0.00	ns
SSTL3_II			0.17	0.17	ns

DS610-3 (v2.0) July 16, 2007 www.xilinx.com 29

Product Specification