Cypress CY7C1020BN Switching Waveforms

CY7C1020BN

Document #: 001-06443 Rev. ** Page 4 of 8

Switching Waveforms

Read Cycle No. 1[9, 10]

Read Cycle No. 2 (OE Controlled)[10, 11]

Notes:

9. Device is continuously selected. OE, CE, BHE and/or BHE = VIL.

10.WE is HIGH for read cycle.

11.Address valid prior to or coincident with CE transition LOW.

PREVIOUS DATA VALID DATA VALID

tRC

tAA

tOHA

ADDRESS

DATA OUT

50%

DATA VALID

tRC

tACE

tDOE

tLZOE

tLZCE

tPU

HIGH IMPEDANCE

tHZOE

tHZBE

tPD

HIGH

ICC

ISB

IMPEDANCE

ADDRESS

DATA OUT

VCC

SUPPLY

tDBE

tLZBE

tHZCE

BHE,BLE

CURRENT

ICC

ISB

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Contents

Main 32K x 16 Static RAM CY7C1020BN Features High speed t Functional Description CY7C1020BN Maximum Ratings Selection Guide Operating Range Electrical Characteristics AC Test Loads and Waveforms Switching Characteristics[5] Over the Operating Range Document #: 001-06443 Rev. ** Page 4 of 8 Switching Waveforms Read Cycle No. 1 Read Cycle No. 2 (OE Controlled)[10, 11] Document #: 001-06443 Rev. ** Page 5 of 8 Write Cycle No. 1 (CE Controlled)[12, 13] Write Cycle No. 2 (BLE or BHE Controlled) Truth Table Ordering Information Switching Waveforms CY7C1020BN Package Diagrams Document History Page