7477 datasheet(211/354 Pages) RENESAS

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HARDWARE

1.20 Electrical characteristics

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

(3) 7477 group electrical characteristics

Table 1.20.9 shows the absolute maximum ratings of the 7477 group. Table 1.20.10 shows the

recommended operating conditions. Table 1.20.11 shows the electrical characteristics.

Table 1.20.12 shows the A-D converter characteristics.

Table 1.20.9 Absolute maximum ratings (7477group)

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

Note : The rating is 500 mW for the 32P2W-A package product.

Table 1.20.10 Recommended operating conditions (7477 group)

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

f(XIN) = 8 MHz

f(XIN) = 4 MHz

Symbol

Parameter

Unit

Limits

Max.

Typ.

Min.

4.5

2.7

0.8VCC

0.7VCC

0.8VCC

MHz

kHz

MHz

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 source voltage

f(XIN) = 8.0 MHz

f(XIN) = (2.2VCC–2.0) MHz

Power source voltage

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

“H” input voltage P20 to P23, P40, P41

_______

“H” input voltage XIN, RESET

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

“L” input voltage P20 to P23, P40, P41

“L” input voltage XIN

_______

“L” input voltage RESET

“H” sum output current P00 to P07, P40 and P41

“H” sum output current P10 to P17

“L” sum output current P00 to P07, P40 and P41

“L” sum output current P10 to P17

“H” peak output current

P00 to P07, P10 to P17, P40, P41

“L” peak output current

P00 to P07, P10 to P17, P40, P41

“H” average output current

P00 to P07, P10 to P17, P40, P41 (Note 1)

“L” average output current

P00 to P07, P10 to P17, P40, P41 (Note 1)

VCC

VSS

VIH

VIL

IOH(sum)

IOL(sum)

IOH(peak)

IOL(peak)

IOH(avg)

IOL(avg)

f(CNTR)

f(SCLK)

f(XIN)

Notes 1: The average output current IOH (avg) or IOL (avg) are the average value during a 100 ms.

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

Timer input frequency

CNTR0 (P32), CNTR1 (P33) (Note 2)

Serial I/O clock input frequency

SCLK (P16) (Note 2)

Clock input oscillation frequency

(Note 2)

f(XIN) = 8 MHz

f(XIN) = 4 MHz

f(XIN) = 8 MHz

f(XIN) = 4 MHz

Use as clock synchro-

nous serial I/O mode

Use as

UART

mode

VCC = 4.5 V to 5.5 V

VCC = 2.7 V to 4.5 V

7477 Datasheet(PDF) 211 Page - Renesas Technology Corp

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