參數(shù)資料
型號: U3762MB-MFNG3
英文描述: Universal Telephone IC - All Functions Integrated
中文描述: 通用電話芯片-所有的功能集成
文件頁數(shù): 7/23頁
文件大?。?/td> 248K
代理商: U3762MB-MFNG3
U3762MB
Preliminary Information
Rev. A1, 15-Sep-98
7 (23)
Configuration
Function
Symbol
Pin
30
VRING
DC supply voltage for the tone ringer is lim-
ited to 30 V with integrated Z-diode.
OUT
VRING
PD
PD
30V
50V
200
6.5K
31
RCK
RC clock oscillator for ringer
0.8V
RCK
êê
êê
ê
PD
6V
6V
32
OUT
Buzzer output
OUT
VRING
PD
PD
30V
50V
200
6.5K
33
VDD
Supply output for dialer part
VL
VDD
ê
PD
6V
6V
ê
34
TEST
TEST input with 6.25 k pull-up resistor
VDD
VDD
TEST
êê
ê
ê
ê
PD
2
35
n.c.
Not connected
36
HKS
Hook switch input.
HKS = 0: On-hook state. Chip in sleep mode,
no operation (with a pull-down resistor of
about 400 k
.
HKS = 1: Off-hook state. Chip enable for
normal operation.
HKS
VDD
VDD
ê
ê
PD
4
37
KT
Keytone output only sent out in pulse mode
KT
VDD
VDD
ê
ê
PD
相關PDF資料
PDF描述
U3800 Multi Standard Feature Phone Integrated Circuit
U3800BM Multi Standard Feature Phone Integrated Circuit
U3810BM Multi Standard Feature Phone Integrated Circuit
U4037B LOW VOLTAGE SPEECH CIRCUIT WITH TONE RINGER INTERFACE
U4050B Speech Circuit with Line-Powered Loudspeaker Amplifier
相關代理商/技術參數(shù)
參數(shù)描述
U3770M 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:CT2 I/Q Modulator and Clock Circuitry
U3770M-MFP 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:CT2 I/Q Modulator and Clock Circuitry
U3770M-MFPG3 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:CT2 I/Q Modulator and Clock Circuitry
U37J11Z3QE22 功能描述:搖臂開關與扳鈕開關 RoHS:否 制造商:C&K Components 觸點形式: 開關功能: 電流額定值:50 mA 電壓額定值 AC: 電壓額定值 DC:30 V 功率額定值: 端接類型: 執(zhí)行器:Paddle 顏色: 安裝風格:Panel 端子密封: 觸點電鍍: 照明:Not Illuminated 照明顏色:
U37J11Z3QE32 功能描述:搖臂開關與扳鈕開關 RoHS:否 制造商:C&K Components 觸點形式: 開關功能: 電流額定值:50 mA 電壓額定值 AC: 電壓額定值 DC:30 V 功率額定值: 端接類型: 執(zhí)行器:Paddle 顏色: 安裝風格:Panel 端子密封: 觸點電鍍: 照明:Not Illuminated 照明顏色: