This datasheet introduces the features of IDT72255 and IDT72265, including storage capacity, read/write clock cycle, retransmit capability, auto power down, master reset, partial reset, empty, full, half-full flag, programmable almost empty and almost full flag, independent read and write clock, select IDT standard timing or first word fall through timing.
The IDT72255/IDT72265 are monolithic CMOS FIFO memories with clocked read and write controls designed for data buffering in applications such as optical disk controllers, local area networks (LANs), and inter-processor communication. The devices offer 8,192 x 18-bit storage capacity for the IDT72255 and 16,384 x 18-bit storage capacity for the IDT72265.
| Storage Capacity (IDT72255) | 8,192 x 18-bit |
|---|---|
| Storage Capacity (IDT72265) | 16,384 x 18-bit |
| Read/Write Cycle Time | 10ns |
| Access Time | 8ns |
| Input/Output Port Width | 18-bit |
| Operating Temperature Range | -40°C to +85°C |
The IDT72255 has an 8,192 x 18-bit capacity while the IDT72265 has a 16,384 x 18-bit capacity.
The devices feature a 10ns read/write cycle time and an 8ns access time.
Yes, the devices are tested to military electrical specifications in addition to industrial temperature ranges.