Cypress CY7C1215H - Manuals

Page 2 - Unit; Top View

CY7C1215H Document #: 38-05666 Rev. *B Page 2 of 15 Pin Configuration Selection Guide 166 MHz 133 MHz Unit Maximum Access Time 3.5 4.0 ns Maximum Operating Current 240 225 mA Maximum CMOS Standby Current 40 40 mA A A A A A 1 A 0 NC /72M NC /36M V SS V DD N C /18M NC/9 M A A A A A NC/2M NC/4M NCDQ B ...

Page 3 - Pin Definitions

CY7C1215H Document #: 38-05666 Rev. *B Page 3 of 15 Pin Definitions Name I/O Description A 0 , A 1 , A Input- Synchronous Address Inputs used to select one of the 32K address locations . Sampled at the rising edge of the CLK if ADSP or ADSC is active LOW, and CE 1 , CE 2 , and CE 3 are sampled activ...

Page 4 - Functional Overview; Single Read Accesses; Single Write Accesses Initiated by ADSP; Burst Sequences

CY7C1215H Document #: 38-05666 Rev. *B Page 4 of 15 Functional Overview All synchronous inputs pass through input registers controlledby the rising edge of the clock. All data outputs pass throughoutput registers controlled by the rising edge of the clock. The CY7C1215H supports secondary cache in s...

Page 5 - ZZ Mode Electrical Characteristics

CY7C1215H Document #: 38-05666 Rev. *B Page 5 of 15 Interleaved Burst Address Table (MODE = Floating or V DD ) First Address A 1 , A 0 Second Address A 1 , A 0 Third Address A 1 , A 0 Fourth Address A 1 , A 0 00 01 10 11 01 00 11 10 10 11 00 01 11 10 01 00 Linear Burst Address Table (MODE = GND) Fir...

Page 6 - Truth Table for Read/Write

CY7C1215H Document #: 38-05666 Rev. *B Page 6 of 15 Truth Table for Read/Write [2, 3] Function GW BWE BW D BW C BW B BW A Continue Write Next L H X X X Suspend Write Current L X X X H Suspend Write Current L H X X X ZZ “Sleep” None H X X X X Read H H X X X X Read H L H H H H Write Byte A – DQ A H L ...

Page 7 - Electrical Characteristics

CY7C1215H Document #: 38-05666 Rev. *B Page 7 of 15 Maximum Ratings (Above which the useful life may be impaired. For user guide-lines, not tested.) Storage Temperature ................................ –65 ° C to + 150 ° C Ambient Temperature withPower Applied ..........................................

Page 8 - Capacitance; Thermal Resistance; AC Test Loads and Waveforms

CY7C1215H Document #: 38-05666 Rev. *B Page 8 of 15 Capacitance [9] Parameter Description Test Conditions 100 TQFP Max. Unit C IN Input Capacitance T A = 25 ° C, f = 1 MHz, V DD = 3.3V. V DDQ = 2.5V 5 pF C CLK Clock Input Capacitance 5 pF C I/O Input/Output Capacitance 5 pF Thermal Resistance [9] Pa...

Page 9 - Switching Characteristics

CY7C1215H Document #: 38-05666 Rev. *B Page 9 of 15 Switching Characteristics Over the Operating Range [10, 11] Parameter Description 166 MHz 133 MHz Unit Min. Max Min. Max t POWER V DD (Typical) to the First Access [12] 1 1 ms Clock t CYC Clock Cycle Time 6.0 7.5 ns t CH Clock HIGH 2.5 3.0 ns t CL ...

Page 10 - Switching Waveforms; Read Cycle Timing

CY7C1215H Document #: 38-05666 Rev. *B Page 10 of 15 Switching Waveforms Read Cycle Timing [16] Note: 16. On this diagram, when CE is LOW, CE 1 is LOW, CE 2 is HIGH and CE 3 is LOW. When CE is HIGH, CE 1 is HIGH or CE 2 is LOW or CE 3 is HIGH. tCYC t CL CLK ADSP t ADH t ADS ADDRESS t CH OE ADSC CE t...

Page 11 - Write Cycle Timing

CY7C1215H Document #: 38-05666 Rev. *B Page 11 of 15 Write Cycle Timing [16, 17] Note: 17. Full width Write can be initiated by either GW LOW; or by GW HIGH, BWE LOW and BW [A:D] LOW. Switching Waveforms (continued) tCYC tCL CLK ADSP tADH tADS ADDRESS tCH OE ADSC CE tAH tAS A1 tCEH tCES BWE, BW[A :D...

Page 12 - Read/Write Cycle Timing

CY7C1215H Document #: 38-05666 Rev. *B Page 12 of 15 Read/Write Cycle Timing [16, 18, 19] Notes: 18. The data bus (Q) remains in High-Z following a Write cycle unless an ADSP, ADSC, or ADV cycle is performed.19. GW is HIGH. Switching Waveforms (continued) tCYC tCL CLK ADSP tADH tADS ADDRESS tCH OE A...

Page 13 - ZZ Mode Timing; CLK

CY7C1215H Document #: 38-05666 Rev. *B Page 13 of 15 ZZ Mode Timing [20, 21] Notes: 20. Device must be deselected when entering ZZ mode. See Cycle Descriptions table for all possible signal conditions to deselect the device.21. DQs are in High-Z when exiting ZZ sleep mode. Switching Waveforms (conti...

Page 14 - Ordering Information; Commercial; Package Diagram

CY7C1215H Document #: 38-05666 Rev. *B Page 14 of 15 © Cypress Semiconductor Corporation, 2006. The information contained herein is subject to change without notice. Cypress Semiconductor Corporation assumes no responsibility for the useof any circuitry other than circuitry embodied in a Cypress pro...

Page 15 - Document History Page; Issue Date

CY7C1215H Document #: 38-05666 Rev. *B Page 15 of 15 Document History Page Document Title: CY7C1215H 1-Mbit (32K x 32) Pipelined Sync SRAMDocument Number: 38-05666 REV. ECN NO. Issue Date Orig. of Change Description of Change ** 343896 See ECN PCI New Data Sheet *A 430678 See ECN NXR Changed address...