TC9457F Datasheet, PDF (10/15 Pages) Toshiba Semiconductor – Firmware Built In Digital Servo

Maximum Ratings (Ta = 25°C)
Characteristics
Power supply voltage
Input voltage
Power dissipation
Operating temperature
Storage temperature
Symbol
V_DD
V_IN
P_D
T_opr
T_stg
Rating
Unit
−0.3~6.0
V
−0.3~V_DD + 0.3
V
1400
mW
−40~85
°C
−65~150
°C
TC9457F
Electrical Characteristics (Ta = 25°C, V_DD = MV_DD = AV_DD = DV_DD = XV_DD = 5 V,
2V_REF = P2V_REF = 4.2 V, V_REF = PV_REF = 2.1 V, unless otherwise specified)
MV_DD (CPU unit power supply)
Characteristics
Symbol
Test
Circuit
Test Condition
Min Typ. Max Unit
Operating supply voltage
MV_DD1
MV_DD2
When CPU and CD operating.
― However,
4.5
5.0
5.5
MV_DD ≥ V_DD
(Note 5)
When CPU operating
― (CD powered off, 4.5 MHz
4.5
5.0
5.5
V
crystal connected) (Note 5)
MV_DD3
When CPU operating (CD
― powered off, 75 kHz crystal
2.7
5.0
5.5
connected)
(Note 5)
Memory retention voltage range
MVHD
When crystal oscillator stopped
― (CKSTP instruction executed) 2.0
~
5.5
V
(Note 5)
MV_DD1
When CPU operating
― (XI = 16.9344 MHz crystal
connected)
―
1.0 2.0
Operating supply current
MV_DD2
MV_DD3
―
When CPU operating(MXI =
4.5 MHz crystal connected)
―
When CPU operating (MXI =
75 kHz crystal connected)
―
2.0 4.0
mA
― 0.75 2.0
MV_DD4
Standby mode (only crystal
― oscillating, 4.5 MHz or 75 kHz
―
0.5
15
crystal connected)
Memory retention current
MIHD
―
When crystal oscillator stopped
(CKSTP instruction executed)
―
0.1 1.0
µA
Crystal oscillation frequency
f MXT1
f MXT2
―
Rf = 1 MΩ, Rout = 0 Ω,
Ci = Co = 30 pF (Note 5, 6)
―
4.5
― MHz
Rf = 10 MΩ, Rout = 100 kΩ,
― Ci = Co = 15 pF,
―
75
―
kHz
MV_DD = 2.7~5.5 V (Note 5, 6)
Crystal oscillation start time
tst
―
Crystal oscillation fmxt = 75
kHz
―
―
1.0
s
Note 5: Guaranteed at V_DD = MV_DD = 4.5 to 5.5 V and Ta = −40 to 85°C
Note 6: Consider the crystal resonator used in your system when determining constants, etc.
10
2002-10-21