CY7C1518AV18-250BZI Cypress Semiconductor Corp, CY7C1518AV18-250BZI Datasheet - Page 3

• Manufacturer Part Number: CY7C1518AV18-250BZI
• Description: IC SRAM 72MBIT 250MHZ 165TFBGA
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C1518AV18-250BZI

• Format - Memory: RAM
• Memory Type: SRAM - Synchronous, DDR II
• Memory Size: 72M (4M x 18)
• Speed: 250MHz
• Interface: Parallel
• Voltage - Supply: 1.7 V ~ 1.9 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 165-TFBGA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Contents
72-Mbit DDR-II SRAM Two-Word Burst Architecture .... 1
Features ............................................................................. 1
Configurations .................................................................. 1
Functional Description ..................................................... 1
Selection Guide ................................................................ 1
Logic Block Diagram (CY7C1518AV18) .......................... 2
Logic Block Diagram (CY7C1520AV18) .......................... 2
Pin Configuration 4
Pin Definitions .................................................................. 5
Functional Overview ........................................................ 7
Application Example ........................................................ 8
Truth Table ........................................................................ 9
Burst Address Table
(CY7C1518AV18, CY7C1520AV18) ................................... 9
Write Cycle Descriptions ................................................. 9
Write Cycle Descriptions ............................................... 10
IEEE 1149.1 Serial Boundary Scan (JTAG) .................. 11
Document Number: 001-06982 Rev. *F
165-Ball FBGA (15 × 17 × 1.4 mm) Pinout .................. 4
Read Operations ......................................................... 7
Write Operations ......................................................... 7
Byte Write Operations ................................................. 7
Single Clock Mode ...................................................... 7
DDR Operation ............................................................ 7
Depth Expansion ......................................................... 7
Programmable Impedance .......................................... 8
Echo Clocks ................................................................ 8
DLL .............................................................................. 8
Disabling the JTAG Feature ...................................... 11
Test Access Port – Test Clock .................................. 11
Test Mode Select (TMS) ........................................... 11
Test Data-In (TDI) ..................................................... 11
Test Data-Out (TDO) ................................................. 11
Performing a TAP Reset ........................................... 11
TAP Registers ........................................................... 11
TAP Instruction Set ................................................... 11
TAP Controller State Diagram ....................................... 13
TAP Controller Block Diagram ...................................... 14
TAP Electrical Characteristics ...................................... 14
TAP AC Switching Characteristics ............................... 15
TAP Timing and Test Conditions .................................. 15
Identification Register Definitions ................................ 16
Scan Register Sizes ....................................................... 16
Instruction Codes ........................................................... 16
Boundary Scan Order .................................................... 17
Power-up Sequence in DDR-II SRAM ........................... 18
Maximum Ratings ........................................................... 19
Operating Range ............................................................. 19
Electrical Characteristics ............................................... 19
Capacitance .................................................................... 21
Thermal Resistance ........................................................ 21
Switching Characteristics .............................................. 22
Switching Waveforms .................................................... 24
Ordering Information ...................................................... 25
Ordering Code Definitions ........................................... 25
Package Diagram ............................................................ 26
Acronyms ........................................................................ 26
Document History Page ................................................. 27
Sales, Solutions, and Legal Information ...................... 28
Power-up Sequence .................................................. 18
DLL Constraints ......................................................... 18
DC Electrical Characteristics ..................................... 19
AC Electrical Characteristics ..................................... 20
Worldwide Sales and Design Support ....................... 28
Products .................................................................... 28
PSoC Solutions ......................................................... 28
CY7C1518AV18
CY7C1520AV18
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