参数资料
型号: DS26504LNB2+
厂商: Maxim Integrated Products
文件页数: 41/129页
文件大小: 0K
描述: IC T1/E1/J1 64KCC ELEMENT 64LQFP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 160
功能: BITS 元件
接口: 64KCC,E1,T1
电路数: 1
电源电压: 3.14 V ~ 3.47 V
电流 - 电源: 150mA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 64-LQFP
供应商设备封装: 64-LQFP(10x10)
包装: 管件
包括: *
其它名称: 90-26504+NB2
DS26504 T1/E1/J1/64KCC BITS Element
19 of 129
NAME
TYPE
FUNCTION
A4/CPHA/
L2
I
Address Bus Bit A[4]/Serial Port Clock Phase Select/Line Build-Out
Select 2
A4: In nonmultiplexed bus operation (BIS[1:0] = 01), this pin serves as A[4]. In
multiplexed bus operation (BIS[1:0] = 00), these pins are not used and should
be tied low.
CPHA: In Serial Port Mode (BIS[1:0] = 10), this pin selects the serial port
clock phase. See the functional timing diagrams for the Serial Port Interface.
L2: In Hardware Mode (BIS[1:0] = 11), this pin selects the line build-out value.
A3/
L1
I
Address Bus Bit A[3]/Line Build-Out Select 1
A3: In nonmultiplexed bus operation (BIS[1:0] = 01), this pin serves as A[3]. In
multiplexed bus operation (BIS[1:0] = 00), these pins are not used and should
be tied low.
L1: In Hardware Mode (BIS[1:0] = 11), this pin selects the line build-out value.
A2/
L0
I
Address Bus Bit A[2]/Line Build-Out Select 0
A2: In nonmultiplexed bus operation (BIS[1:0] = 01), this pin serves as A[2]. In
multiplexed bus operation (BIS[1:0] = 00), these pins are not used and should
be tied low.
L0: In Hardware Mode (BIS[1:0] = 11), this pin selects the line build-out value.
A1/
TAIS
I
Address Bus Bit A[1]/Transmit AIS
A1: In nonmultiplexed bus operation (BIS[1:0] = 01), this pin serves as A[1]. In
multiplexed bus operation (BIS[1:0] = 00), these pins are not used and should
be tied low.
TAIS: When set to 0 and in T1/E1 operating modes, the transmitter transmits an
AIS pattern. Set to 1 for normal operation.
TAIS (64KCC): When set = 0 and in any 64KCC mode, the device transmits an
all-ones signal without BPVs. When set = 1, normal 64KCC transmission is
enabled.
A0/
E1TS
I
Address Bus Bit A[0]/E1 Termination Select
A0: In nonmultiplexed bus operation (BIS[1:0] = 01), this pin serves as A[0]. In
multiplexed bus operation (BIS[1:0] = 00), these pins are not used and should
be tied low.
E1TS: In Hardware Mode (BIS[1:0] = 11), this pin selects the E1 internal
termination value (0 = 75
Ω, 1 = 120Ω).
BTS/
HBE
I
Bus Type Select/Transmit and Receive B8ZS/HDB3 Enable
BTS: Strap high to select Motorola bus timing; strap low to select Intel bus
timing. This pin controls the function of the
RD (DS), ALE (AS), and WR
(R/
W) pins. If BTS = 1, then these pins assume the function listed in
parentheses ().
HBE: In Hardware Mode (BIS[1:0] = 11), this pin enables transmit and receive
B8ZS/HDB3 when in T1/E1 operating modes.
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