参数资料
型号: DS21448LDK
厂商: Maxim Integrated Products
文件页数: 45/60页
文件大小: 0K
描述: KIT DESIGN LIU DS21448L T1/J1/E1
标准包装: 1
DS21448 3.3V T1/E1/J1 Quad Line Interface
5 of 60
1. BLOCK DIAGRAMS
Figure 1-1. Block Diagram
V
DD
V
SS
POWER
CONNECTIONS
2
VCO/PLL
MCL
K
2.048MHz TO
1.544MHz PLL
JITTER
ATTENUATOR
MUX
VSM
TRING
TTIP
n
FILTER
RRING
RTIP
UNFRAMED
ALL-ONES
INSERTION
BIS0
CONTROL AND TEST
PORT (ROUTED TO
ALL BLOCKS)
MUX (THE SERIAL, PARALLEL, AND HARDWARE INTERFACES
SHARE DEVICE PINS)
HRST
TXDIS/TEST
16.384MHz OR
8.192MHz OR
4.096MHz OR
2.048MHz
SYNTHESIZER
BPCLK
RPOS
RCLK
RNEG
TPOS
TCLK
TNEG
JACLK
MUX
See Figure 1-2
See Figure 1-3
PBEO
MUX
RCL/LOTC
TYPICAL OF ALL FOUR CHANNELS
CHANNEL 1
CHANNEL 2
CHANNEL 3
CHANNEL 4
JRST
JTMS
JTDI
JTDO
JTAG PORT
JTCL
K
8
5
IN
T
CS
CONTROL AND
(ROUTED TO
ALL BLOCKS)
PARALLEL INTERFACE
SD
O
SC
L
K
SERIAL
INTERFACE
SD
I
PBTS
WR
(R/
W
)
RD
(DS
)
ALE
(A
S
)
A0
TO
A4
D0
TO
D7
/A
D
0
TO
AD7
OPTIONAL
TERM
INANATION
AN
ALOG
LOO
PBAC
K
L
INE
DRIV
E
R
S
CS
U
FIL
E
RS
W
AVESH
APIN
G
PEAK
D
E
TEC
T
CL
OCK
/DA
TA
RE
COV
E
R
Y
REMOTE
LOOP
BA
CK
(DU
AL
MOD
E
)
LO
CAL
LO
O
P
BAC
K
JITTER
ATTENUATIO
N
(C
AN
BE
PL
AC
ED
IN
EITH
ER
TR
AN
SM
IT
O
R
RE
CE
IV
E
P
A
T
H)
RE
M
O
TE
L
OOPB
A
C
K
Dallas
Semiconductor
DS21448
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DS21448LN 功能描述:网络控制器与处理器 IC 3.3V E1/T1/J1 Quad Interface RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流(最大值):595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray
DS21448LN+ 功能描述:网络控制器与处理器 IC 3.3V E1/T1/J1 Quad Interface RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流(最大值):595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray
DS21448-LW 功能描述:网络控制器与处理器 IC 3.3V E1/T1/J1 Quad Interface RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流(最大值):595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray
DS21448N 功能描述:网络控制器与处理器 IC 3.3V E1/T1/J1 Quad Interface RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流(最大值):595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray
DS2145 制造商:未知厂家 制造商全称:未知厂家 功能描述:Telecommunication IC