TC9457F
2002-10-21 10
Maximum Ratings (Ta = 25°C) Characteristics Symbol Rating Unit
Power supply voltage VDD −0.3~6.0 V
Input voltage VIN −0.3~VDD + 0.3 V
Power dissipation PD 1400 mW
Operating temperature Topr −40~85 °C
Storage temperature Tstg −65~150 °C
Electrical Characteristics (Ta = 25°C, VDD = MVDD = AVDD = DVDD = XVDD = 5 V,
2VREF = P2VREF = 4.2 V, VREF = PVREF = 2.1 V, unless otherwise specified)
MVDD (CPU unit power supply)
Characteristics Symbol
Test
Circuit Test Condition Min Typ. Max Unit
MVDD1 ―
When CPU and CD operating.
However,
MVDD ≥ VDD (Note 5)
4.5 5.0 5.5
MVDD2 ―
When CPU operating
(CD powered off, 4.5 MHz
crystal connected) (Note 5)
4.5 5.0 5.5
Operating supply voltage
MVDD3 ― When CPU operating (CD
powered off, 75 kHz crystal
connected) (Note 5)
2.7 5.0 5.5
V
Memory retention voltage range MVHD ― W hen crystal oscillator stopped
(CKSTP instruction executed)
(Note 5)
2.0 ~ 5.5 V
MVDD1 ― When CPU operating
(XI = 16.9344 MHz crystal
connected)
― 1.0 2.0
MVDD2 ― When CPU operating(MXI =
4.5 MHz crystal connected) ― 2.0 4.0
MVDD3 ― When CPU operating (MXI =
75 kHz crystal connected) ― 0.75 2.0
Operating supply current
MVDD4 ― Standby mode (only crystal
oscillating, 4.5 MHz or 75 kHz
crystal connected)
― 0.5 15
mA
Memory retention current MIHD ― When crystal oscillator stopped
(CKSTP instruction executed) ― 0.1 1.0 µA
f MXT1 ― Rf = 1 MΩ, Rout = 0 Ω,
Ci = Co = 30 pF (Note 5, 6) ― 4.5 ― MHz
Crystal oscillation frequency
f MXT2 ― Rf = 10 MΩ, Rout = 100 kΩ,
Ci = Co = 15 pF,
MVDD = 2.7~5.5 V (Note 5, 6)
― 75 ― kHz
Crystal oscillation start time tst ― Crystal oscillation fmxt = 75
kHz ― ― 1.0 s