UPD30121 NEC [NEC], UPD30121 Datasheet - Page 26

• Manufacturer Part Number: UPD30121
• Description: VR4121TM 64-/32-BIT MICROPROCESSOR
• Manufacturer: NEC [NEC]

Operating Conditions
(1) 131 MHz model
(2) 168 MHz model
Capacitance (T
26
Supply voltage
Ambient temperature
Oscillation start voltage
Oscillation hold voltage
Oscillation hold voltage
Supply voltage
Ambient temperature
Oscillation start voltage
Oscillation start voltage
Oscillation start voltage
Input capacitance
I/O capacitance
Notes 1. This is a voltage at which oscillation is always started after power application, and is applied to
Notes 1. If V
Caution Precision tests have not been performed. Only guaranteed as design characteristics.
Parameter
Parameter
2. This is a voltage at which oscillation can be guaranteed if the voltage is lowered from the normal
3. This is a voltage at which oscillation can be guaranteed if the voltage is lowered from the normal
2. This is a voltage at which oscillation is always started after power application, and is applied to
3. This is a voltage at which oscillation can be guaranteed if the voltage is lowered from the normal
4. This is a voltage at which oscillation can be guaranteed if the voltage is lowered from the normal
Parameter
oscillators of 32.768 kHz and 18.432 MHz.
operation level, and is applied to an oscillator of 32.768 kHz.
operation level, and is applied to an oscillator of 18.432 MHz.
the total operating time of the V
oscillators of 32.768 kHz and 18.432 MHz.
operation level, and is applied to an oscillator of 32.768 kHz.
operation level, and is applied to an oscillator of 18.432 MHz.
A
DD2
= 25 C, V
exceeds 2.7 V, be sure to keep the time for which the voltage is exceeded to less than 10 % of
Note 2
Note 3
Note 1
Note 2
Note 3
Note 4
DD
Symbol
Symbol
V
V
V
V
V
= 0 V)
C
T
DDH1
DDH2
C
DD2
DD3
DDS
IO
A
I
Symbol
V
V
V
V
V
T
DDH1
DDH2
DD2
DD3
DDS
A
2.5 V (V
3.3 V (CV
f
Unmeasured pins returned to 0 V.
C
= 1 MHz
DD
R
2.5 V (V
3.3 V (CV
4121, and the maximum value of V
DD
Data Sheet U14691EJ1V0DS00
P, V
, DV
DD
DD
PD, V
DD
, AV
DD
P, V
, DV
DD
DD
DD
2)
, PIUV
DD
PD, V
Condition
Condition
Condition
, AV
DD
DD
DD
2)
, PIUV
, V
DD
3)
DD
, V
DD
3)
DD2
to less than 2.8 V.
MIN.
2.3
3.0
10
MIN.
MIN.
2.6
3.0
10
MAX.
3.45
+70
2.7
3.0
2.5
3.0
2.7
MAX.
MAX.
3.45
+70
3.0
2.5
3.0
10
10
Note 1
PD30121
Unit
V
V
V
V
V
Unit
Unit
C
pF
pF
V
V
V
V
V
C