Sram Write Cycle #2 | Cypress CY14B108N, CY14B108L specification


		PRELIMINARY		CY14B108L, CY14B108N
				CY14B108L, CY14B108N

		Figure 8. SRAM Write Cycle #2:
				Controlled[3, 14, 15, 16]
			CE	Controlled[3, 14, 15, 16]

Address

CE

BHE, BLE

WE

Data Input

Data Output

	tWC
	Address Valid
tSA	tSCE	tHA
	tBW
	tPWE
	tSD	tHD
	Input Data Valid
	High Impedance

Figure 9. SRAM Write Cycle #3: BHE and BLE Controlled[3, 14, 15, 16]
	tWC
Address	Address Valid
	tSCE
CE
tSA	tBW	tHA
BHE, BLE
	tAW
	tPWE
WE
	tSD	tHD
Data Input	Input Data Valid
	High Impedance
Data Output

Document #: 001-45523 Rev. *B

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Cypress CY14B108N, CY14B108L manual Sram Write Cycle #2

Contents

Features Logic Block Diagram1, 2Functional Description Cypress Semiconductor Corporation Pinouts Top ViewNot to scale Output Enable, Active LOW . The active LO W Byte High Enable, Active LOW . Controls DQ 15 DQByte Low Enable, Active LOW . Controls DQ 7 DQ Power Supply Inputs to the Device Device Operation Sram ReadSram Write AutoStore Operation Hardware Recall Power Up Software StoreSoftware Recall Mode Selection StoreRecall Preventing AutoStore Data ProtectionNoise Considerations Best Practices DC Electrical Characteristics Maximum RatingsOperating Range Range Data Retention and Endurance CapacitanceThermal Resistance AC Test Conditions AC Switching Characteristics Switching WaveformsParameters Sram Read Cycle Sram Write Cycle Sram Read Cycle #2 CE and OE Controlled3, 11 Sram Write Cycle #2 AutoStore/Power Up Recall Parameters Description 20 ns 25 ns 45 ns Unit Min Max Software Controlled STORE/RECALL Cycle To Output Active Time when write latch not set Hardware Store CycleDescription 20 ns 25 ns 45 ns Unit Min Max Hardware Store Pulse Width Inputs/Outputs Mode Power Truth Table For Sram OperationsHigh Z Ordering Information CY14B108N-ZSP20XCTCY14B108N-ZSP20XIT CY14B108N-ZSP25XCT CY14B108N-ZSP45XCT CY14B108N-ZSP45XIT Part Numbering Nomenclature CY 14 B 108L-ZS P 20 X C TZS Tsop Nvsram Package Diagrams Pin Tsop II Ball Fbga 6 mm x 10 mm x 1.2 mm 51-85160 Document History GvchGVCH/PYRS Sales, Solutions, and Legal Information USB