R5F104FAD datasheet(120/213 Pages) RENESAS

120 / 213 page

RL78/G14

2. ELECTRICAL SPECIFICATIONS (TA = -40 to +85

°C)

R01DS0053EJ0330 Rev. 3.30

Page 120 of 208

Aug 12, 2016

2.6.4

Comparator

Note

Not usable in LS (low-speed main) mode, LV (low-voltage main) mode, sub-clock operation, or STOP mode.

2.6.5

POR circuit characteristics

Note 1.

However, when the operating voltage falls while the LVD is off, enter STOP mode, or enable the reset status using the

external reset pin before the voltage falls below the operating voltage range shown in 2.4 AC Characteristics.

Note 2.

Minimum time required for a POR reset when VDD exceeds below VPDR. This is also the minimum time required for a

POR reset from when VDD exceeds below 0.7 V to when VDD exceeds VPOR while STOP mode is entered or the main

system clock is stopped through setting bit 0 (HIOSTOP) and bit 7 (MSTOP) in the clock operation status control register

(CSC).

(TA = -40 to +85°C, 1.6 V

≤ EVDD0 = EVDD1 ≤ VDD ≤ 5.5 V, VSS = EVSS0 = EVSS1 = 0 V)

Parameter

Symbol

Conditions

MIN.

TYP.

MAX.

Unit

Input voltage range

Ivref

0EVDD0 - 1.4

Ivcmp

-0.3

EVDD0 + 0.3

Output delay

VDD = 3.0 V

Input slew rate > 50 mV/

μs

Comparator high-speed mode,

standard mode

1.2

μs

Comparator high-speed mode,

window mode

2.0

μs

Comparator low-speed mode,

standard mode

3.0

5.0

μs

High-electric-potential

reference voltage

VTW+

Comparator high-speed mode, window mode

0.76 VDD

Low-electric-potential ref-

erence voltage

VTW-

Comparator high-speed mode, window mode

0.24 VDD

Operation stabilization

wait time

tCMP

100

μs

Internal reference voltage

Note

VBGR

2.4 V

≤ VDD ≤ 5.5 V, HS (high-speed main) mode

1.38

1.45

1.50

(TA = -40 to +85°C, VSS = 0 V)

Parameter

Symbol

Conditions

MIN.

TYP.

MAX.

Unit

Power on/down reset threshold VPOR

Voltage threshold on VDD rising

1.47

1.51

1.55

VPDR

Voltage threshold on VDD falling Note 1

1.46

1.50

1.54

Minimum pulse width Note 2

TPW

300

μs

TPW

VPOR

VPDR or 0.7 V

Supply voltage (VDD)

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