7477 datasheet(214/354 Pages) RENESAS

214 / 354 page

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

HARDWARE

1.20 Electrical characteristics

1-197

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

Table 1.20.14 Recommended operating conditions (7478 group)

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

(4) 7478 group electrical characteristics

Table 1.20.13 shows the absolute maximum ratings of the 7478 group. Table 1.20.14 shows the

recommended operating conditions. Table 1.20.15 shows the electrical characteristics.

Table 1.20.16 shows the A-D converter characteristics.

Table 1.20.13 Absolute maximum ratings (7478 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

f(XIN) = 8 MHz

f(XIN) = 4 MHz

Symbol

Unit

Limits

Max.

Typ.

Min.

4.5

2.7

0.8VCC

0.7VCC

0.8VCC

MHz

kHz

MHz

kHz

5.5

4.5

VCC

0.2VCC

0.25VCC

0.16VCC

0.12VCC

–30

–10

–5

500

250

2.2VCC–2.0

5.0

Power surce voltage

f(XIN) = 8.0 MHz

f(XIN) =(2.2VCC–2.0) MHz

Power surce 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

“L” sum output current of P00 to P07 and P40 toP43

“L” sum output current of P10 to P17

“H” peak output current

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

“L” peak output current

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

“H” average output current

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

“L” average output current

P00 to P07, P1 0 to P17, 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(SCLK)

f(XIN)

f(XCIN)

Notes 1: Except when P50 is used as XCIN.

2: The average output current IOH (avg) and 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.

f(X IN) = 8 MHz

f(X IN) = 4 MHz

f(X IN) = 8 MHz

f(X IN) = 4 MHz

Parameter

Timer input frequency

CNTR0 (P32), CNTR1 (P33) (Note 3)

Serial I/O clock input frequency

SCLK (P16) (Note 3)

Clock input oscillation frequency

(Note 3)

VCC = 4.5 V to 5.5 V

VCC = 2.7 V to 4.5 V

Use as clock synchro-

nous serial I/O mode

Use as

UART

mode

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

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