UPI-C42/UPI-L42
AC CHARACTERISTICS
TAe0§Ctoa
70§C, VSS e0V, VCC eVDD ea
5V g10%; a3.3V g10% for the UPI-L42 (Continued)
CLOCK
Symbol Parameter Min Max Units
tCYUPI-C42/UPI-L42 Cycle Time 1.2 9.20 ms(1)
tCYCUPI-C42/UPI-L42 Clock Period 80 613 ns
tPWH ClockHigh Time 30 ns
tPWL ClockLow Time 30 ns
tRClockRise Time 10 ns
tFClockFall Time 10 ns
NOTE:
1. tCY e15/f(XTAL)
AC CHARACTERISTICS DMA
Symbol Parameter Min Max Units
tACC DACKto WR or RD 0 ns
tCAC RDor WR to DACK 0 ns
tACD DACKto Data Valid 0 130 ns
tCRQ RDor WR to DRQ Cleared 110 ns(1)
NOTE:
1. CLe150 pF.
AC CHARACTERISTICS PORT2
Symbol Parameter f(tCY)(3) Min Max Units
tCP PortControl Setup Before Falling Edge of PROG 1/15tCYb28 55 ns(1)
tPC PortControl Hold After Falling Edge of PROG 1/10 tCY 125 ns(2)
tPR PROGto Time P2 Input Must Be Valid 8/15 tCYb16 650 ns(1)
tPF InputData Hold Time 0 150 ns(2)
tDP OutputData Setup Time 2/10 tCY 250 ns(1)
tPD OutputData Hold Time 1/10tCY b80 45 ns(2)
tPP PROGPulse Width 6/10tCY 750 ns
NOTES:
1. CLe80 pF.
2. CLe20 pF.
3. tCY e1.25 ms.
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