EM78P156N
OTP ROM
| 6.2 AC Electrical Characteristic |
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| (Ta=25 °C, VDD=5V±5%, VSS=0V) |
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| Symbol | Parameter | Conditions | Min | Typ | Max | Unit |
| Dclk | Input CLK duty cycle |
| 45 | 50 | 55 | % |
| Tins | Instruction cycle time | Crystal type | 100 |
| DC | ns |
| (CLKS="0") | RC type | 500 |
| DC | ns | |
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| Ttcc | TCC input period |
| (Tins+20)/N* |
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| ns |
| Tdrh | Device reset hold time |
| 11.8 | 16.8 | 21.8 | ms |
| Trst | /RESET pulse width | Ta = 25°C | 2000 |
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| ns |
| Twdt | Watchdog timer period | Ta = 25°C | 11.8 | 16.8 | 21.8 | ms |
| Tset | Input pin setup time |
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| 0 |
| ns |
| Thold | Input pin hold time |
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| 20 |
| ns |
| Tdelay | Output pin delay time | Cload=20pF |
| 50 |
| ns |
*N= selected prescaler ratio.
*These parameters are characterizes but not tested.
This specification is subject to change without prior notice. 39 | 07.29.2004 (V1.2) |