H8S2245 datasheet(620/818 Pages) RENESAS

No. de pieza	H8S2245

Descripción Electrónicos	Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2200 Series

PDF	818 Pages

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Fabricante Electrónico	RENESAS [Renesas Technology Corp]

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620 / 818 page

Section 19 Electrical Characteristics

Rev.3.00 Mar. 26, 2007 Page 578 of 772

REJ09B0355-0300

Table 19.4

Permissible Output Currents

Conditions: V

CC = 2.7 V to 5.5 V, AVCC = 2.7 to 5.5 V, Vref = 2.7 V to AVCC, VSS = AVSS = 0 V,

a = –20 to +75°C (regular specifications), Ta = –40 to +85°C (wide-range

specifications)

Item

Symbol

Min

Typ

Max

Unit

Ports 1, A to C

——

Permissible output

low current (per pin)

Other output pins

——

2.0

Permissible output

low current (total)

Total of 28 pins

including ports 1

and A to C

∑ I

——

Total of all output

pins, including the

above

——

120

Permissible output

high current (per pin)

All output pins

–I

——

2.0

Permissible output

high current (total)

Total of all output

pins

∑ –I

——

Notes: 1. To protect chip reliability, do not exceed the output current values in table 19.4.

2. When driving a darlington pair or LED, always insert a current-limiting resister in the

output line, as show in figures 19.1 and 19.2.

2 k

Ω

H8S/2245 Group

Port

Darlington Pair

Figure 19.1 Darlington Pair Drive Circuit (Example)

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