TEA1067/C2 Philips Semiconductors (Acquired by NXP), TEA1067/C2 Datasheet - Page 20

• Manufacturer Part Number: TEA1067/C2
• Description: TEA1067; Low Voltage Versatile Telephone Transmission Circuit With Dialler Interface;; Package: SOT102-1 (DIP18), SOT163 (SO20)
• Manufacturer: Philips Semiconductors (Acquired by NXP)

Philips Semiconductors
June 1990
handbook, full pagewidth
Low voltage versatile telephone
transmission circuit with dialler interface
(a) DTMF-Pulse set with CMOS dialling circuit PCD3310.
The dashed lines show an optional flash (register recall by timed loop break).
(b) Pulse dial set with one of the PCD3320 family of CMOS interrupted current-loop dialling circuits.
(c) Dual-standard (pulse and DTMF) feature phone with the PCD3343 CMOS controller and the
PCD3312 CMOS DTMF generator with I
telephone
telephone
telephone
line
line
line
contact
contact
contact
cradle
cradle
cradle
Fig.17 Typical applications of the TEA1067 (simplified).
2
C-bus. Supply is provided by the TEA1081 supply circuit.
BST76
BST76
BST76
TEA1067
TEA1067
TEA1067
V EE
V EE
V EE
LN
LN
TEA1081
LN
(a)
(b)
(c)
20
V CC
V CC
V CC
MUTE
MUTE
MUTE
DTMF
DTMF
DTMF
PD
PD
PD
I
2
C-bus
M
DP/FL
DTMF
M
FL
M
DP
V SS
V SS
V SS
V DD
V DD
V DD
PCD3310
PCD3320
PCD3343
FAMILY
DTMF
PCD3312
MGR091
Product specification
TEA1067