Icom IC-R7O Maintenance Manual page 62

M54459 (1/20, 1/100 HIGH-SPEED DIVIDER)
PIN CONNECTIONS
no [2]
3] 4]
M
Tt
V rer [5
To
GND [1]
Vec2 [6 |
Vecl [7]
8 |
Maximum ratings
Item Rating
Power supply voltage 9
Input voltage 1.5
Operation temperature -10 ~ +75
Storage temperature —55 ~ +125
M54844P (PROGRAMMABLE DISPLAY CONTROLLER)
PIN CONNECTIONS
WR 28 c
So 2 27 GND
S, 3 26 MODE
S2 4 Pas) RES
Ss; 5 24 oP
To 6 23 !
T, 7 22 9
T2 8 21 f
Ts 9 20 e
Te 10 19 d
Ts WV 18 c
Te 12 17 b
T, 13 16 a
Veo 14 15 cTL
Maximum ratings
Item Rating
Power supply voltage —0.3 ~ +15
Input voltage -0.3 ~ Veco
Voltage between power supply and output terminal *1 —0.3 ~ +35
Operation ambient temperature —30 ~ +85
Storage temperature —55 ~ +125
*1 When output OFF