EM78P330 Datasheet, PDF (101/112 Pages) ELAN Microelectronics Corp – 8-Bit Microprocessor with OTP ROM

9 AC Electrical Characteristic
EM78P330/331N
8-Bit Microprocessor with OTP ROM
Ta=25 °C, VDD=5V±5%, VSS=0V
Symbol
Parameter
Conditions
Min
Type Max Unit
Dclk Input CLK duty cycle
−
45
50
55
%
Tins
Instruction cycle time
(CLKS="0")
Crystal type 100
RC type 500
−
DC
ns
−
DC
ns
Ttcc TCC input time period
−
(Tins+20) × N* −
−
ns
Tdrh Device reset hold time Ta = 25°C 11.3
16.2 21.6 ms
Trst /RESET pulse width
Ta = 25°C 2000
ns
Twdt Watchdog timer duration Ta = 25°C 11.3
16.2 21.6 ms
Tset Input pin setup time
−
−
0
ns
Thold Input pin hold time
−
15
20
25
ns
Tdelay Output pin delay time
Cload=20pF 45
50
55
ns
Tdrc ERC delay time
Ta = 25°C 1
3
5
ns
Note: ^*N = selected prescaler ratio
Product Specification (V 1.1) 03.13.2007
(This specification is subject to change without further notice)
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