Datasheet UT69RH051 (Aeroflex) - 10

6.0 AC CHARACTERISTICS READ CYCLE (Post-Radiation)*
(VDD = 5.0V ±10%; -55°C < TC < +125°C)
SYMBOL PARAMETER MINIMUM MAXIMUM UNIT
tCLCL Clock Period 50 ns 1/tCLCL Oscillator Frequency 20 MHz tLHLL ALE Pulse Width 2 tCLCL-40 ns tAVLL Address Valid to ALE Low tCLCL-40 ns t 1 Address Hold after ALE Low t LLAX CLCL-30 ns tLLIV ALE Low to Valid Instruction 4 tCLCL-100 ns tLLPL ALE Low to PSEN Low tCLCL-30 ns tPLPH PSEN Pulse Width 3 tCLCL-45 ns tPLIV PSEN Low to Valid Instruction In 3 tCLCL-105 ns t 1 Input Instruction Hold after PSEN 0 ns PXIX t 1 Input Instruction Float after PSEN t PXIZ CLCL-25 ns tAVIV Address to Valid Instruction In 5 tCLCL-105 ns t 1 PSEN Low to Address Float 10 ns PLAZ tRLRH RD Pulse Width 6 tCLCL-100 ns tWLWH WR Pulse Width 6 tCLCL-100 ns tRLDV RD Low to Valid Data In 5 tCLCL-165 ns t 1 Data Hold After RD High 0 ns RHDX t 1 Data Float After RD High 2 t RHDZ CLCL-60 ns tLLDV ALE Low Valid Data In 8 tCLCL-150 ns tAVDV Address to Valid Data In 9 tCLCL-165 ns tLLWL ALE Low to RD or WR Low 3 tCLCL-50 3 tCLCL+50 ns tAVWL Address Valid to WR Low 4 tCLCL-130 ns tQVWX Data Valid Before WR High tCLCL-33 ns tWHQX Data Hold After WR High tCLCL-33 ns t Data Valid to WR High 7 t QVWH CLCL-150 ns t 1 RD Low to Address Float 0 ns RLAZ tWHLH RD or WR High to ALE High tCLCL-40 tCLCL+40 ns
Note:
* Post-radiation performance guaranteed at 25°C per MIL-STD-883 Method 1019 at 1.0E6 rads(Si). 1. Guaranteed, but not tested. 10