Cypress CY14B102L, nvSRAM Truth Table For Sram Operations, Inputs/Outputs2 Mode Power, High Z

PRELIMINARY

							CY14B102L, CY14B102N
Truth Table For SRAM Operations
		should remain HIGH for SRAM Operations.
HSB
For x8 Configuration
	CE		WE	OE	Inputs/Outputs[2]	Mode		Power
	H		X	X	High Z	Deselect/Power down		Standby
		L	H	L	Data Out (DQ0–DQ7);	Read		Active
		L	H	H	High Z	Output Disabled		Active
		L	L	X	Data in (DQ0–DQ7);	Write		Active

For x16 Configuration

CE	WE	OE	BHE	BLE	Inputs/Outputs[2]	Mode	Power
H	X	X	X	X	High-Z	Deselect/Power down	Standby
L	X	X	H	H	High-Z	Output Disabled	Active
L	H	L	L	L	Data Out (DQ0–DQ15)	Read	Active
L	H	L	H	L	Data Out (DQ0–DQ7);	Read	Active
					DQ8–DQ15in High-Z
L	H	L	L	H	Data Out (DQ8–DQ15);	Read	Active
					DQ0–DQ7in High-Z
L	H	H	L	L	High-Z	Output Disabled	Active
L	H	H	H	L	High-Z	Output Disabled	Active
L	H	H	L	H	High-Z	Output Disabled	Active
L	L	X	L	L	Data In (DQ0–DQ15)	Write	Active
L	L	X	H	L	Data In (DQ0–DQ7);	Write	Active
					DQ8–DQ15in High-Z
L	L	X	L	H	Data In (DQ8–DQ15);	Write	Active
					DQ0–DQ7in High-Z

Document #: 001-45754 Rev. *B Page 15 of 24

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