UPI-C42/UPI-L42
AC CHARACTERISTICS
TA e 0§C to a70§C, VSS e 0V, VCC e VDD e a5V g10%; a3.3V g10% for the
CLOCK
Symbol | Parameter | Min | Max | Units |
|
|
|
|
|
tCY | Cycle Time | 1.2 | 9.20 | ms(1) |
tCYC | Clock Period | 80 | 613 | ns |
tPWH | Clock High Time | 30 |
| ns |
tPWL | Clock Low Time | 30 |
| ns |
tR | Clock Rise Time |
| 10 | ns |
tF | Clock Fall Time |
| 10 | ns |
NOTE:
1. tCY e 15/f(XTAL)
AC CHARACTERISTICS DMA
Symbol | Parameter | Min | Max | Units |
|
|
|
|
|
tACC | DACK to WR or RD | 0 |
| ns |
tCAC | RD or WR to DACK | 0 |
| ns |
tACD | DACK to Data Valid | 0 | 130 | ns |
tCRQ | RD or WR to DRQ Cleared |
| 110 | ns(1) |
NOTE:
1. CL e 150 pF.
AC CHARACTERISTICS PORT 2
Symbol | Parameter | f(tCY)(3) | Min | Max | Units |
tCP | Port Control Setup Before Falling Edge of PROG | 1/15 tCYb28 | 55 |
| ns(1) |
tPC | Port Control Hold After Falling Edge of PROG | 1/10 tCY | 125 |
| ns(2) |
tPR | PROG to Time P2 Input Must Be Valid | 8/15 tCYb16 |
| 650 | ns(1) |
tPF | Input Data Hold Time |
| 0 | 150 | ns(2) |
tDP | Output Data Setup Time | 2/10 tCY | 250 |
| ns(1) |
tPD | Output Data Hold Time | 1/10 tCYb80 | 45 |
| ns(2) |
tPP | PROG Pulse Width | 6/10 tCY | 750 |
| ns |
NOTES:
1.CL e 80 pF.
2.CL e 20 pF.
3.tCY e 1.25 ms.
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