em78p811 ELAN Microelectronics Corp, em78p811 Datasheet - Page 31

• Manufacturer Part Number: em78p811
• Description: 8-bit Micro-controller
• Manufacturer: ELAN Microelectronics Corp

IX AC Electrical Characteristic
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* This specification is subject to be changed without notice.
(OTP AC Characteristic)
(FSK AC Characteristic)
Please watch out the FSK setup time
Description
OSC start up(32.768KHz)
Carrier detect low
Data out to Carrier det low
Power up low to FSK(setup time)
/RD low to Ringtime low
End of FSK to Carrier Detect high
Description
Vpp to VDD level setup time
Mode code setup time
Mode code hold time
Data setup time
Data hold time
Program write pulse width
Output enable setup time
Data clock pulse width
(Ta=0°C ~ 70°C, VDD=5V, VSS=0V)
Note 1: N= selected prescaler ratio.
Symbol
Twdt
Dclk
Tdrh
Tins
Ttcc
(3.679MHz PLL)
Parameter
Input CLK duty cycle
Instruction cycle time
Device delay hold time
TCC input period
Watchdog timer period
CLK=3.679MHz, output pin
floating, FSK, DTMFblock
disable
Conditions
32.768K
3.679M
Note 1
Ta = 25°C
30
Symbol
Tosc
Tcdl
Tdoc
Tsup
Trd
Tcdh
Symbol
Trs
Tcsu
Tchd
Tdsu
Tdhd
Tpwd
Toed
Tph
(Tins+20)/N
Min
Min
--
--
Min
2
3
2
100
100
--
--
8
100
300
45
Typ
Typ
200
10
10
15
--
Typ
550
8-bit OTP Micro-controller
50
60
18
18
Max
400
10
Max
14
20
20
10
--
Max
Unit
ms
ms
ns
ms
ms
ms
Unit
uS
uS
uS
nS
nS
uS
nS
nS
55
EM78P811
Unit
ms
ms
us
ns
ns
%