MV4320
MV4320 is KEYPAD PULSE DIALLER manufactured by Plessey.
KEYPAD PULSE DIALLER
The MV4320 series is fabricated using ISO-CMOS high density technology. The device is a pin-for-pin replacement for the DF320 Loop Disconnect Dialler and offers wider
HDLD operating supply voltage range and lower power dissi-
Y4 pation. The MV4320 accepts up to 20 digits from a stan-
See table { M1
Y3 dard 2 of 7 keypad and offers a REDIAL option activated by below MIS
Y2 key #=. The device provides dial pulsing and muting out-
F01
Y1 puts and has a, HOLD pin for interrupting a dialling se-
F02
X3 quence. Outpulsing mark/space ratio and dialling speed are
X2 pin selectable.
XTAL IN
X1
The MV4320 is available in...
