Cypress Semiconductor CY7C1020BN Specification Sheet Download Page 5

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CY7C1020BN

Document #: 001-06443 Rev. **

Page 5 of 8

Write Cycle No. 1 (CE Controlled)

[12, 13]

Write Cycle No. 2 (BLE or BHE Controlled)

Notes:

12. Data I/O is high impedance if OE or BHE and/or BLE= V

13. If CE goes HIGH simultaneously with WE going HIGH, the output remains in a high-impedance state.

Switching Waveforms

(continued)

SCE

PWE

DATA I/O

ADDRESS

BHE, BLE

PWE

SCE

DATA I/O

ADDRESS

BHE, BLE

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Summary of Contents for CY7C1020BN

Page 1: ...mplished by taking Chip Enable CE and Output Enable OE LOW while forcing the Write Enable WE HIGH If Byte Low Enable BLE is LOW then data from the memory location specified by the address pins will ap...

Page 2: ...utput HIGH Voltage VCC Min IOH 4 0 mA 2 4 2 4 V VOL Output LOW Voltage VCC Min IOL 8 0 mA 0 4 0 4 V VIH Input HIGH Voltage 2 2 6 0 2 2 6 0 V VIL Input LOW Voltage 1 0 5 0 8 0 5 0 8 V IIX Input Load Cu...

Page 3: ...E HIGH to Low Z 6 3 3 ns tHZWE WE LOW to High Z 6 7 6 7 ns tBW Byte Enable to End of Write 8 9 ns Notes 5 Test conditions assume signal transition time of 3 ns or less timing reference levels of 1 5V...

Page 4: ...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 50 DATA VALID tRC t...

Page 5: ...Data I O is high impedance if OE or BHE and or BLE VIH 13 If CE goes HIGH simultaneously with WE going HIGH the output remains in a high impedance state Switching Waveforms continued tHD tSD tSCE tSA...

Page 6: ...abled Active ICC L X X H H High Z High Z Selected Outputs Disabled Active ICC Ordering Information Speed ns Ordering Code Package Diagram Package Type Operating Range 12 CY7C1020BN 12VC 51 85082 44 Le...

Page 7: ...y applications unless pursuant to an express written agreement with Cypress Furthermore Cypress does not authorize its products for use as critical components in life support systems where a malfuncti...

Page 8: ...nt 001 06443 Rev Page 8 of 8 Document History Page Document Title CY7C1020BN 32K x 16 Static RAM Document 001 06443 REV ECN NO Issue Date Orig of Change Description of Change 426812 See ECN NXR New Da...