Block Diagram
Pin Symbols
XIN, XOUT: Crystal oscillator (7.2 MHz)
FMIN, AMIN: Local oscillator signal input
CE, CL, DI, DO: Serial data I/O
OUT0 to OUT6: Output ports
IN0, IN1: Input ports
HCTR, LCTR: General-purpose counter inputs
PD1, PD2: Charge pump outputs
SYC: Control clock (400 kHz)
Specifications
Absolute Maximum Ratings at Ta = 25°C, V
SS
= 0 V
No. 4758-3/16
LC7218, 7218M, 7218JM
Parameter Symbol Conditions Ratings Unit
Maximum supply voltage V
DD
max V
DD
–0.3 to +7.0 V
Input voltage
V
IN
(1) CE, CL, DI, IN0, IN1 –0.3 to +7.0 V
V
IN
(2) Input pins other than V
IN
(1) –0.3 to V
DD
+ 0.3 V
V
OUT
(1) DO, SYC –0.3 to +7.0 V
Output voltage
V
OUT
(2) OUT1, OUT2 –0.3 to V
DD
+ 0.3 V
V
OUT
(3) OUT3 to OUT6, OUT0 –0.3 to +15 V
V
OUT
(4) Output pins other than V
OUT
(1), V
OUT
(2) and V
OUT
(3) –0.3 to V
DD
+ 0.3 V
Ta ≤ 85°C :LC7218 350
Allowable power dissipation Pd max :LC7218M 300 mW
:LC7218JM 200
Operating temperature Topr –40 to +85 °C
Storage temperature Tstg –55 to +125 °C