Cypress CY14B108N Truth Table For SRAM Operations, For x8 Configuration, For x16 Configuration

					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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