HMS81C2012AK 데이터 시트보기 (PDF) - Unspecified

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HMS81C2012AK

CMOS Single-Chip 8-Bit Microcontroller with A/D Converter & VFD Driver

Unspecified 

HMS81C2012A/2020A

7.6 AC Characteristics

(TA=-40~ 85°C, VDD=5V±10%, VSS=0V)

Parameter

Operating Frequency

External Clock Pulse Width

External Clock Transition Time

Oscillation Stabilizing Time

External Input Pulse Width

External Input Pulse Transi-

tion Time

RESET Input Width

Symbol

fCP

tCPW

tRCP,tFCP

tST

tEPW

tREP,tFEP

tRST

Pins

XIN

XIN

XIN

XIN, XOUT

INT0, INT1, EC0

INT0, INT1, EC0

RESET

Specifications

Min.

Typ.

Max.

1

-

8

80

-

-

-

-

20

-

-

20

2

-

-

-

-

20

8

-

-

Unit

MHz

nS

nS

mS

tSYS

nS

tSYS

XI

RESETB

INT0, INT1

EC0

1/fCP

tSYS

tCPW

tCPW

tRCP

tFCP

0.5V

VDD-0.5V

tRST

0.2VDD

tEPW

tEPW

tREP

tFEP

0.2VDD

0.8VDD

Figure 7-1 Timing Chart

18

SEP. 2004 Ver 2.00

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