IDT71V2556S Integrated Device Technology, IDT71V2556S Datasheet
IDT71V2556S
Available stocks
Related parts for IDT71V2556S
IDT71V2556S Summary of contents
Page 1
... Input Input Input Input Input Input Input Input Input Input Input Input Output Input Input I/O Supply Supply 1 IDT71V2556S/XS IDT71V2558S/XS IDT71V2556SA/XSA IDT71V2558SA/XSA , that allow the user Synchronous Synchronous Asynchronous Synchronous Synchronous Synchronous N/A Synchronous Static Synchronous Synchronous N/A Synchronous Asynchronous ...
Page 2
IDT71V2556, IDT71V2558, 128K x 36, 256K x 18, 3.3V Synchronous ZBT™ SRAMs with 2.5V I/O, Burst Counter, and Pipelined Outputs (1) Pin Definitions Symbol Pin Function I Address Inputs ADV/LD Advance / Load I R/W ...
Page 3
IDT71V2556, IDT71V2558, 128K x 36, 256K x 18, 3.3V Synchronous ZBT™ SRAMs with 2.5V I/O, Burst Counter, and Pipelined Outputs Functional Block Diagram LBO Address A [0:16] CE1, CE2, CE2 R/W CEN ADV/LD BWx Clock OE TMS TDI TCK TRST ...
Page 4
IDT71V2556, IDT71V2558, 128K x 36, 256K x 18, 3.3V Synchronous ZBT™ SRAMs with 2.5V I/O, Burst Counter, and Pipelined Outputs Functional Block Diagram LBO Address A [0:17] CE1, CE2, CE2 R/W CEN ADV/LD BWx Clock OE TMS TDI TCK TRST ...
Page 5
IDT71V2556, IDT71V2558, 128K x 36, 256K x 18, 3.3V Synchronous ZBT™ SRAMs with 2.5V I/O, Burst Counter, and Pipelined Outputs Recommended Operating Temperature and Supply Voltage Grade Temperature V (1) SS Commercial 0°C to +70°C 0V Industrial -40°C to +85°C ...
Page 6
IDT71V2556, IDT71V2558, 128K x 36, 256K x 18, 3.3V Synchronous ZBT™ SRAMs with 2.5V I/O, Burst Counter, and Pipelined Outputs Pin Configuration — 256K x 18 100 ...
Page 7
IDT71V2556, IDT71V2558, 128K x 36, 256K x 18, 3.3V Synchronous ZBT™ SRAMs with 2.5V I/O, Burst Counter, and Pipelined Outputs Pin Configuration — 128K x 36, 119 BGA DDQ I ...
Page 8
IDT71V2556, IDT71V2558, 128K x 36, 256K x 18, 3.3V Synchronous ZBT™ SRAMs with 2.5V I/O, Burst Counter, and Pipelined Outputs Pin Configuration — 128K x 36, 165 fBGA (2) CE1 ...
Page 9
IDT71V2556, IDT71V2558, 128K x 36, 256K x 18, 3.3V Synchronous ZBT™ SRAMs with 2.5V I/O, Burst Counter, and Pipelined Outputs Synchronous Truth Table (5) CEN R/W Chip ADV/LD Enable L L Select Select ...
Page 10
IDT71V2556, IDT71V2558, 128K x 36, 256K x 18, 3.3V Synchronous ZBT™ SRAMs with 2.5V I/O, Burst Counter, and Pipelined Outputs Interleaved Burst Sequence Table First Address Second Address Third Address (1) Fourth Address NOTE: 1. Upon completion of the Burst ...
Page 11
IDT71V2556, IDT71V2558, 128K x 36, 256K x 18, 3.3V Synchronous ZBT™ SRAMs with 2.5V I/O, Burst Counter, and Pipelined Outputs Device Operation - Showint Mixed Load, Burst, Deselect and NOOP Cycles Cycle Address R/W ADV/ ...
Page 12
IDT71V2556, IDT71V2558, 128K x 36, 256K x 18, 3.3V Synchronous ZBT™ SRAMs with 2.5V I/O, Burst Counter, and Pipelined Outputs Burst Read Operation Cycle Address R/W ADV ...
Page 13
IDT71V2556, IDT71V2558, 128K x 36, 256K x 18, 3.3V Synchronous ZBT™ SRAMs with 2.5V I/O, Burst Counter, and Pipelined Outputs Read Operation with Clock Enable Used Cycle Address R/W ADV/ n n+2 ...
Page 14
IDT71V2556, IDT71V2558, 128K x 36, 256K x 18, 3.3V Synchronous ZBT™ SRAMs with 2.5V I/O, Burst Counter, and Pipelined Outputs Read Operation with Chip Enable Used Cycle Address R/W ADV/ n n+2 A ...
Page 15
IDT71V2556, IDT71V2558, 128K x 36, 256K x 18, 3.3V Synchronous ZBT™ SRAMs with 2.5V I/O, Burst Counter, and Pipelined Outputs DC Electrical Characteristics Over the Operating Temperature and Supply Voltage Range Symbol Parameter |I | Input Leakage Current LI |I ...
Page 16
IDT71V2556, IDT71V2558, 128K x 36, 256K x 18, 3.3V Synchronous ZBT™ SRAMs with 2.5V I/O, Burst Counter, and Pipelined Outputs AC Electrical Characteristics (V = 3.3V±5%, Commercial and Industrial Temperature Ranges) DD Symbol Parameter t Clock Cycle Time CYC (1) ...
Page 17
IDT71V2556, IDT71V2558, 128K x 36, 256K x 18, 3.3V Synchronous ZBT™ SRAMs with 2.5V I/O, Burst Counter, and Pipelined Outputs Timing Waveform of Read Cycle Commercial and Industrial Temperature Ranges (1,2,3,4) 6. ...
Page 18
NOTES represents the first input to the external address the base address A , etc. where address bits A and A are advancing for the four word burst in the ...
Page 19
NOTES represents the first output from the external address timing transitions are identical but inverted to the CE and Individual Byte Write signals (BWx) must be valid on ...
Page 20
NOTES represents the first output from the external address timing transitions are identical but inverted to the CE and CEN when sampled high on ...
Page 21
IDT71V2556, IDT71V2558, 128K x 36, 256K x 18, 3.3V Synchronous ZBT™ SRAMs with 2.5V I/O, Burst Counter, and Pipelined Outputs Timing Waveform of CS Operation Commercial and Industrial Temperature Ranges (1,2,3,4) 6. ...
Page 22
IDT71V2556, IDT71V2558, 128K x 36, 256K x 18, 3.3V Synchronous ZBT™ SRAMs with 2.5V I/O, Burst Counter, and Pipelined Outputs JTAG Interface Specification (SA Version only TCK (1) Device Inputs / TDI/TMS (2) Device Outputs / TDO ...
Page 23
IDT71V2556, IDT71V2558, 128K x 36, 256K x 18, 3.3V Synchronous ZBT™ SRAMs with 2.5V I/O, Burst Counter, and Pipelined Outputs JTAG Identification Register Definitions (SA Version only) Instruction Field Revision Number (31:28) IDT Device ID (27:12) IDT JEDEC ID (11:1) ...
Page 24
IDT71V2556, IDT71V2558, 128K x 36, 256K x 18, 3.3V Synchronous ZBT™ SRAMs with 2.5V I/O, Burst Counter, and Pipelined Outputs 100 Pin Plastic Thin Quad Flatpack (TQFP) Package Diagram Outline Commercial and Industrial Temperature Ranges 6.42 24 ...
Page 25
IDT71V2556, IDT71V2558, 128K x 36, 256K x 18, 3.3V Synchronous ZBT™ SRAMs with 2.5V I/O, Burst Counter, and Pipelined Outputs 119 Ball Grid Array (BGA) Package Diagram Outline Commercial and Industrial Temperature Ranges 6.42 25 ...
Page 26
IDT71V2556, IDT71V2558, 128K x 36, 256K x 18, 3.3V Synchronous ZBT™ SRAMs with 2.5V I/O, Burst Counter, and Pipelined Outputs 165 Fine Pitch Ball Grid Array (fBGA) Package Diagram Outline Commercial and Industrial Temperature Ranges 6.42 26 ...
Page 27
IDT71V2556, IDT71V2558, 128K x 36, 256K x 18, 3.3V Synchronous ZBT™ SRAMs with 2.5V I/O, Burst Counter, and Pipelined Outputs Timing Waveform of OE Operation OE DATA OUT NOTE read operation is assumed progress. Ordering ...
Page 28
... Silver Creek Valley Rd San Jose, CA 95138 The IDT logo is a registered trademark of Integrated Device Technology, Inc. ZBT and ZeroBus Turnaround are trademarks of Integrated Device Technology, Inc. and the architecture is supported by Micron Technology and Motorola Inc. Commercial and Industrial Temperature Ranges Updated to new format ...