CY7C1399B-15VXI(2005) View Datasheet(PDF) - Cypress Semiconductor

Part Name

Description

MFG CO.

CY7C1399B-15VXI
(Rev.:2005)

256K(32K x 8) Static RAM

Cypress Semiconductor 

Data Retention Waveform

VCC

3.0V

tCDR

CE

DATA RETENTION MODE

VDR > 2V

CY7C1399B

3.0V

tR

Switching Waveforms

Read Cycle No. 1[11, 12]

tRC

ADDRESS

DATA OUT

tAA

tOHA

PREVIOUS DATA VALID

Read Cycle No. 2[12, 13]

tRC

CE

tACE

OE

DATA OUT

VCC

SUPPLY

CURRENT

tDOE

tLZOE

HIGH IMPEDANCE

tLZCE

tPU

50%

DATA VALID

DATA VALID

tHZOE

tHZCE

HIGH

IMPEDANCE

tPD

ICC

50%

ISB

Notes:

11. Device is continuously selected. OE, CE = VIL.

12. WE is HIGH for read cycle.

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

Document #: 38-05071 Rev. *D

Page 6 of 10

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