Cypress CY14B108N, CY14B108L Truth Table For Sram Operations, Inputs/Outputs Mode Power, High Z

					PRELIMINARY		CY14B108L, CY14B108N
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	[3]	BLE	[3]	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 #: 001-45523 Rev. *B Page 16 of 24

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