Specifications
Absolute Maximum Ratings at Ta = 25°C, VSS= 0 V
Allowable Operating Ranges at Ta = –40 to +85°C, VDD= 3.5 to 5.5 V
No. 5945-4/13
LC72321N, 72322N, 72323N
Parameter Symbol Conditions Rating Unit
Maximum supply voltage V
DD
max –0.3 to +6.5 V
HOLD, INT, RES, ADI, SNS
–0.3 to +13 V
Input voltage
V
IN
1
Port G
V
IN
2 Inputs other than VIN1 –0.3 to VDD+ 0.3 V
Output voltage
V
OUT
1 Port H –0.3 to +15 V
V
OUT
2 Outputs other than V
OUT
1 –0.3 to VDD+ 0.3 V
I
OUT
1 All the port D and H pins 0 to 5 mA
Output current
I
OUT
2 All the port E and F pins 0 to 3 mA
I
OUT
3 All the port B and C pins 0 to 1 mA
I
OUT
4 S1 to S28 and port I 0 to 1 mA
Allowable power dissipation Pd max Ta = –40 to +85°C 300 mW
Operating temperature Topr –40 to +85 °C
Storage temperature Tstg –45 to +125 °C
Parameter Symbol Conditions
Ratings
Unit
min typ max
V
DD
1 CPU and PLL operating 4.5 5.5 V
Supply voltage V
DD
2 CPU operating 3.5 5.5 V
V
DD
3 Memory retention 1.3 5.5 V
V
IH
1 Port G 0.7 V
DD
8.0 V
V
IH
2 RES, INT, HOLD 0.8 V
DD
8.0 V
High-level input voltage
V
IH
3 SNS 2.5 8.0 V
V
IH
4 Port A 0.6 V
DD
V
DD
V
V
IH
5 Ports E and F 0.7 V
DD
V
DD
V
V
IH
6 LCTR (period measurement), VDD1, PE1, and PE3 0.8 V
DD
V
DD
V
V
IL
1 Port G 0 0.3 V
DD
V
V
IL
2 RES, INT, PE1, PE3 0 0.2 V
DD
V
V
IL
3 SNS 0 1.3 V
Low-level input voltage V
IL
4 Port A 0 0.2 V
DD
V
V
IL
5 PE0, PE2, and port F 0 0.3 V
DD
V
V
IL
6 LCTR (period measurement) and VDD1 0 0.2 V
DD
V
V
IL
7 HOLD 0 0.4 V
DD
V
f
IN
1 XIN 4.0 4.5 5.0 MHz
f
IN
2 FMIN, VIN2, VDD1 10 130 MHz
f
IN
3 FMIN, VIN3, VDD1 10 150 MHz
Input frequency
f
IN
4 AMIN (L), VIN4, VDD1 0.5 10 MHz
f
IN
5 AMIN (H), VIN5, VDD1 2.0 40 MHz
f
IN
6 HCTR, VIN6, VDD1 0.4 12 MHz
f
IN
7 LCTR (frequency), VIN7, and VDD1 100 500 kHz
f
IN
8 LCTR (period), VIH6, VIL6, and VDD1 1 20×10
3
Hz
V
IN
1 XIN 0.50 1.5 Vrms
V
IN
2 FMIN 0.10 1.5 Vrms
Input amplitude V
IN
3 FMIN 0.15 1.5 Vrms
V
IN
4, 5 AMIN 0.10 1.5 Vrms
V
IN
6, 7 LCTR, HCTR 0.10 1.5 Vrms
Input voltage range V
IN
8 ADI 0 V
DD
V