NJU3505
s ELECTRICAL CHARACTERISTICS
AC CHARACTERISTICS 1
PARAMETER SYMBOL
CONDITIONS
Operating
fOSC VDD=2.4−3.6V X’tal
Frequency
Resonator
Ceramic
Resonator
External
Resistor
Oscillation
External Clock
VDD=3.6−5.5V X’tal
Resonator
Ceramic
Resonator
External
Resistor
Oscillation
External Clock
Instruction
tC
Cycle Time
External Clock
tCPH VDD=2.4−3.6V
Pulse Width
tCPL VDD=3.6−5.5V
External Clock
VDD=2.4−5.5V
Rise Time tCPR
Fall Time tCPF
RESET Low-
tRST VDD=2.4−5.5V
Level Width
RESET
tRSR VDD=2.4−5.5V
Rise Time
Port Input
tPIN VDD=2.4−5.5V
Level Width
Edge Detection
VDD=2.4−5.5V
Rise Time tEDR PH1 terminal
Fall Time tEDF
Restart Signal
tSTR VDD=2.4−5.5V
Rise Time
PH0 terminal
External
VDD=2.4−5.5V
Interrupt Signal
EXTI/PK0 terminal
Rise Time tEXR
Fall Time tEXF
CNTI Clock
fCT VDD=2.4−5.5V
Frequency
CNTI/PK1 terminal
CNTI High
tCT VDD=2.4−5.5V
Level Width
CNTI/PK1 terminal
CNTI
VDD=2.4−5.5V
Rise Time tCTR CNTI/PK1 terminal
Fall Time tCTF
MIN
0.03
0.03
0.03
0.03
0.03
0.03
0.03
0.03
250
125
4/fOSC
6/fOSC
6/fOSC
(VSS=0V, Ta=-20−75°C)
TYP MAX UNIT
2.0 MHz
2.0
1.0
2.0
4.0
4.0
2.0
4.0
6/fOSC
s
16600 ns
16600
20
ns
s
20 ms
s
200 ns
200 ns
200 ns
fOSC/64 Hz
s
200 ns
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