MDT2005IB Datasheet, PDF (12/15 Pages) Micon Design Technology Corporation – 8-bit micro-controller

(H) The basic WDT time-out cycle time
MDT2005(IB)
@ Vdd=5.0v ,Temperature 25 , the typical value as followings :
Voltage (V) Basic WDT time-out cycle time (ms)
2.3
27.5
3.0
24.0
4.0
21.0
5.0
19.0
5.5
17.5
(I) MCLRB Filter @ Vdd=5.0v
Wm 1.2us
Wm : Filter pulse width (low) in /MCLR pin.
10. Port A and Port B Equivalent Circuit
Working Register
Data I/P
D
QB
I/O
Control
I/O Control
Latch
CK
Q
Write
D
Data O/P
Latch
CK
Q
Port I/O Pin
Data Bus
Read
QB
D
Data I/P
Latch
CK
TTL Input Level
Input Resistor
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P. 11
2005/6 VER1.3