7477 datasheet(208/354 Pages) RENESAS

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7470/7471/7477/7478 GROUP USER’S MANUAL

HARDWARE

1.20 Electrical characteristics

1-191

f(XIN) = 8 MHz

f(XIN) = 4 MHz

f(XIN) = 8 MHz

f(XIN) = 4 MHz

VCC = 4.5 V to 5.5 V

VCC = 2.7 V to 4.5 V

(2) 7471 group electrical characteristics

Table 1.20.5 shows the absolute maximum ratings of the 7471 group. Table 1.20.6 shows the

recommended operating conditions. Table 1.20.7 shows the electrical characteristics.

Table 1.20.8 shows the A-D converter characteristics.

Table 1.20.5 Absolute maximum ratings (7471 group)

Unit

°C

Symbol

VCC

Topr

Tstg

Parameter

Power source voltage

Input voltage

Output voltage

Power dissipation

Operating temperature

Storage temperature

Ratings

–0.3 to +7

–0.3 to VCC+0.3

1000 (Note)

–20 to +85

–40 to +150

Conditions

All voltages are based on VSS.

Output transistors are cut-off.

Ta = 25 °C

Symbol

Parameter

Unit

Limits

Max.

Typ.

Min.

4.5

2.7

0.8VCC

0.7VCC

0.8VCC

MHz

kHz

5.5

4.5

VCC

0.2VCC

0.25VCC

0.16VCC

0.12VCC

–30

–10

–5

2.2VCC–2.0

5.0

Power source voltage

f(XIN) = 8.0 MHz

f(XIN) = (2.2VCC–2.0) MHz

Power source voltage

Analog supply voltage

“H” input voltage P00 to P07, P10 to P17, P30 to P33

“H” input voltage P20 to P27, P40 to P43, P50 to P53 (Note 1)

_______

“H” input voltage XIN, RESET

“L” input voltage P00 to P07, P10 to P17, P30 to P33

“L” input voltage P20 to P27, P40 to P43, P50 to P53 (Note 1)

“L” input voltage XIN

_______

“L” input voltage RESET

“H” sum output current of P00 to P07 and P40 to P43

“H” sum output current of P10 to P17 and P20 to P27

“L” sum output current of P00 to P07 and P40 to P43

“L” sum output current of P10 to P17 and P20 to P27

“H” peak output current

P00 to P07, P1 0 to P17, P20 to P27, P40 to P43

“L” peak output current

P00 to P07, P1 0 to P17, P20 to P27, P40 to P43

“H” average output current

P00 to P07, P1 0 to P17, P20 to P27, P40 to P43 (Note 2)

“L” average output current

P00 to P07, P1 0 to P17, P20 to P27, P40 to P43 (Note 2)

VCC

VSS

AVSS

VIH

VIL

IOH(sum)

IOL(sum)

IOH(peak)

IOL(peak)

IOH(avg)

IOL(avg)

f(CNTR)

f(CLK)

f(XIN)

f(XCIN)

Note: The rating is 500 mW for the 56P6N-A package product.

Table 1.20.6 Recommended operating conditions (7471 group)

(VCC = 2.7 V to 5.5 V, VSS = AVSS = 0 V, Ta = –20 °C to +85 °C, unless otherwise noted)

Timer input frequency

CNTR0 (P32)

CNTR1 (P33) (Note 3)

Serial I/O clock input frequency

CLK (P16) (Note 3)

Clock input oscillation frequency

(Note 3)

Notes 1: Except when P50 is used as XCIN.

2: The average output current IOH(avg) or IOL(avg) are the average value during a 100 ms.

3: The oscillation frequency is at 50 % duty cycle.

4: Set f(XCIN) < f(XIN)/3 when the sub-clock is used.

Sub-clock input oscillation frequency (Note 3, 4)

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