2.3.4.4 1.5V LVCMOS (JESD8-11)

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Low-Voltage CMOS for 1.5V is an extension of the LVCMOS standard (JESD8-5) used for general-purpose 1.5V applications. It uses a 1.5V input buffer and a push-pull output buffer.

Table 2-54. Minimum and Maximum DC Input and Output Levels Applicable to FPGA I/O Banks
1.5V  LVCMOS	VIL		VIH		VOL	VOH	IOL	IOH	IOSL	IOSH	IIL	IIH
Drive Strength	Min. V	Max. V	Min. V	Max. V	Max. V	Min. V	mA	mA	Max. mA¹	Max. mA¹	µA²	µA²
2 mA	–0.3	0.35 * VCCxxxxIOBx	0.65 * VCCxxxxIOBx	1.575	0.25 * VCCxxxxIOBx	0.75 * VCCxxxxIOBx	2	2	16	13	15	15
4 mA	–0.3	0.35 * VCCxxxxIOBx	0.65 * VCCxxxxIOBx	1.575	0.25 * VCCxxxxIOBx	0.75 * VCCxxxxIOBx	4	4	33	25	15	15
6 mA	–0.3	0.35 * VCCxxxxIOBx	0.65 * VCCxxxxIOBx	1.575	0.25 * VCCxxxxIOBx	0.75 * VCCxxxxIOBx	6	6	39	32	15	15
8 mA	–0.3	0.35 * VCCxxxxIOBx	0.65 * VCCxxxxIOBx	1.575	0.25 * VCC	0.75 * VCCxxxxIOBx	8	8	55	66	15	15
12 mA³	–0.3	0.35 * VCCxxxxIOBx	0.65 * VCCxxxxIOBx	1.575	0.25 * VCCxxxxIOBx	0.75 * VCCxxxxIOBx	12	12	55	66	15	15

Note:

Currents are measured at high temperature (100 °C junction temperature) and maximum voltage.
Currents are measured at 125 °C junction temperature.
Denotes the software default selection. This note is applicable for the entire row.

Table 2-55. Minimum and Maximum DC Input and Output Levels Applicable to MSS I/O Banks
1.5V  LVCMOS	VIL		VIH		VOL	VOH	IOL	IOH	IOSL	IOSH	IIL	IIH
Drive Strength	Min. V	Max.  V	Min. V	Max. V	Max. V	Min. V	mA	mA	Max. mA¹	Max. mA¹	µA²	µA²
2 mA³	–0.3	0.35 * VCCxxxxIOBx	0.65 * VCCxxxxIOBx	1.575	0.25 * VCCxxxxIOBx	0.75 * VCCxxxxIOBx	2	2	16	13	15	15

Note:

Currents are measured at high temperature (100 °C junction temperature) and maximum voltage.
Currents are measured at 125 °C junction temperature.
Denotes the software default selection. This note is applicable for the entire row.

Figure 2-19. AC Loading

Table 2-56. AC Waveforms, Measuring Points, and Capacitive Loads
Input Low (V)	Input High (V)	Measuring Point¹ (V)	VREF (typ.) (V)	CLOAD (pF)
0	1.5	0.75	–	35

Note:

Measuring point = Vtrip. See Table 2-22 for a complete table of trip points.

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