UPD44165084 Description
The µPD44165084, µPD44165184 and µPD44165364 integrates unique synchronous peripheral circuitry and a burst counter. All input registers controlled by an input clock pair (K and /K) are latched on the positive edge of K and /K. These products are suitable for application which require synchronous operation, high speed, low voltage, high density and wide bit configuration.
UPD44165084 Key Features
- 1.8 ± 0.1 V power supply and HSTL I/O
- DLL circuitry for wide output data valid window and future frequency scaling
- Separate independent read and write data ports with concurrent transactions
- 100% bus utilization DDR READ and WRITE operation
- Four-tick burst for reduced address frequency
- Two input clocks (K and /K) for precise DDR timing at clock rising edges only
- Two output clocks (C and /C) for precise flight time and clock skew matching-clock and data delivered together to receiv
- Internally self-timed write control
- Clock-stop capability with µs restart
- User programmable impedance output