CY7C056V

CY7C057V

Document #: 38-06055 Rev. *F

Page 2 of 27

Contents

Functional Description ..................................................... 3

Pin Configurations ........................................................... 4

Pin Configurations (continued) ....................................... 5

Selection Guide ................................................................ 5

Pin Definitions .................................................................. 6

Maximum Ratings[6] ........................................................ 7

Operating Range ............................................................... 7

Electrical Characteristics

Over the Operating Range[8]........................................... 8

Capacitance[10] ................................................................ 8

AC Test Load and Waveforms ......................................... 9

Switching Characteristics

Over the Operating Range[13] ....................................... 10

Data Retention Mode ...................................................... 11

Timing .............................................................................. 11

Read Cycle No. 1 (Either Port Address Access) ........ 12

Read Cycle No. 3 (Either Port) .......................................... 12

Switching Waveforms .................................................... 12

Write Cycle No. 1: R/W Controlled Timing ................. 13

Write Cycle No. 2: CE Controlled Timing ................... 13

Semaphore Read After Write Timing, Either Side ...... 14

Timing Diagram of Semaphore Contention ................ 14

Timing Diagram of Write with BUSY (M/S = HIGH).... 15

Write Timing with Busy Input (M/S = LOW) ............... 15

Busy Timing Diagram No. 1 (CE Arbitration).............. 16

Busy Timing Diagram No. 2 (Address Arbitration) ..... 16

Architecture .................................................................... 18

Functional Description ................................................... 18

Write Operation ......................................................... 18

Read Operation ......................................................... 18

Interrupts ................................................................... 18

Busy .......................................................................... 18

Master/Slave ............................................................. 18

Semaphore Operation ............................................... 18

Right Port Configuration................................................. 20

Right Port Operation ...................................................... 20

Left Port Operation ......................................................... 20

Bus Match Operation ..................................................... 20

Long-Word (36-bit) Operation ................................... 21

Word (18-bit) Operation ............................................. 21

Byte (9-bit) Operation ................................................ 21

Ordering Information ...................................................... 22

Ordering Code Definition ........................................... 22

Package Diagrams .......................................................... 23

Acronyms ........................................................................ 25

Document Conventions ................................................. 25

Units of Measure ....................................................... 25

Sales, Solutions, and Legal Information ...................... 27

Worldwide Sales and Design Support ....................... 27

Products .................................................................... 27

PSoC Solutions ......................................................... 27