em78p257 ELAN Microelectronics Corp, em78p257 Datasheet - Page 74

• Manufacturer Part Number: em78p257
• Description: 8-bit Microcontroller
• Manufacturer: ELAN Microelectronics Corp

6.3 Device Characteristic
This specification is subject to change without prior notice.
The graphs provided following note that based on a limited number of samples and they are provided for
information only. The device characteristic listed herein is not guaranteed. In some graphs, the data
maybe out of the specified operating warranted range.
1.5
0.5
2
1
0
2.3
Fig. 31 Vth (Threshold voltage) of Port5, Port6 and Port7 vs. VDD
2.8
max (-0¢J to 70¢J)
Vih/Vil (Input pins with inverter)
3.3
min (-0¢J to 70¢J)
typ 25¢J
3.8
Vdd(Volt)
74
4.3
4.8
EM78P257
5.3
07.27.2004 (V1.4)
OTP ROM