em78p134n ELAN Microelectronics Corp, em78p134n Datasheet - Page 61

• Manufacturer Part Number: em78p134n
• Description: 8-bit Microcontroller With Otp Rom
• Manufacturer: ELAN Microelectronics Corp

Product Specification (V1.6) 06.02.2010
(This specification is subject to change without further notice)
7.3 AC Electrical Characteristics
Ta=-40 ° C ~ 85 ° C, VDD=5V ± 5%, VSS=0V
Note: 1. N = selected prescaler ratio
Symbol
Dclk
Tins
Ttcc
Tdrh
Trst
Twdt1*
Twdt2*
Tset
Thold
Tdelay
2. Twdt1: The Option Word 1 SUT0 is used to define the oscillator set-up time. In Crystal
3. Twdt2: The Option Word 1 SUT0 is used to define the oscillator set-up time. In Crystal
4. These parameters are hypothetical (not tested) and are provided for design reference
5. Data under Minimum, Typical, and Maximum (Min., Typ., and Max.) columns are based
6. The Watchdog timer duration is determined by Code Option Word 1 (Bit 6, Bit 5).
Input CLK duty cycle
Instruction cycle time
(CLKS="0")
TCC input period
Device reset hold time
/RESET pulse width
Watchdog timer period
Watchdog timer period
Input pin setup time
Input pin hold time
Output pin delay time
mode, the WDT timeout length is the same as the set-up time (18ms).
mode, the WDT timeout length is the same as set-up time (4.5ms).
only.
on hypothetical results at 25°C. These data are for design reference use only.
Parameter
Crystal type
RC type
Ta = 25°C
TXAL, SUT0=1
Ta = 25°C
Ta = 25°C
SUT0=1
Ta = 25°C
SUT0=0
Cload=20pF
Conditions
−
−
−
−
8-Bit Microcontroller with OTP ROM
(Tins+20)/N*
17.6-30%
17.6-30%
4.5-30%
2000
Min
100
500
45
−
−
−
17.6
17.6
Typ
4.5
50
20
50
−
−
−
−
0
17.6+30%
17.6+30%
4.5+30%
EM78P134N
Max
DC
DC
55
−
−
−
−
−
Unit
ms
ms
ms
ns
ns
ns
ns
ns
ns
ns
%
• 55