Cypress CY7C1161V18 manual TDO for Jtag, TCK Pin for Jtag, TDI Pin for Jtag, TMS Pin for Jtag

				CY7C1161V18, CY7C1176V18
				CY7C1163V18, CY7C1165V18
Pin Definitions (continued)
	Pin Name	IO		Pin Description
		Echo Clock	Synchronous Echo Clock Outputs. This is a free running clock and is synchronized to the input
	CQ
			clock (K) of the QDR-II+. The timings for the echo clocks are shown in “Switching Characteristics”
			on page 23.
	ZQ	Input	Output Impedance Matching Input. Used to tune the device outputs to the system data bus
			impedance. CQ, CQ and Q[x:0] output impedance are set to 0.2 x RQ, where RQ is a resistor
			connected between ZQ and ground. Alternatively, this pin is connected directly to VDDQ, which
			enables the minimum impedance mode. This pin cannot be connected directly to GND or left uncon-
			nected.
		Input	DLL Turn Off − Active LOW. Connecting this pin to ground turns off the DLL inside the device. The
	DOFF
			timings in the DLL turned-off operation are different from those listed in this data sheet. For normal
			operation, this pin is connected to a pull up through a 10 KΩ or less pull up resistor. The device
			behaves in QDR-I mode when the DLL is turned off. In this mode, the device operates at a frequency
			of up to 167 MHz with QDR-I timing.
	TDO	Output	TDO for JTAG.
	TCK	Input	TCK Pin for JTAG.
	TDI	Input	TDI Pin for JTAG.
	TMS	Input	TMS Pin for JTAG.
	NC	N/A	Not Connected to the Die. Can be tied to any voltage level.
	NC/36M	N/A	Not Connected to the Die. Can be tied to any voltage level.
	NC/72M	N/A	Not Connected to the Die. Can be tied to any voltage level.
	NC/144M	N/A	Not Connected to the Die. Can be tied to any voltage level.
	NC/288M	N/A	Not Connected to the Die. Can be tied to any voltage level.
	VREF	Input-	Reference Voltage Input. Static input used to set the reference level for HSTL inputs, outputs, and
		Reference	AC measurement points.
	VDD	Power Supply	Power Supply Inputs to the Core of the Device.
	VSS	Ground	Ground for the Device.
	VDDQ	Power Supply	Power Supply Inputs for the Outputs of the Device.

Document Number: 001-06582 Rev. *D Page 7 of 29

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