參數(shù)資料
型號: MAX13174ECAG+T
廠商: Maxim Integrated Products
文件頁數(shù): 2/13頁
文件大小: 0K
描述: IC CBL TERMINATION NETWRK 24SSOP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,000
類型: 纜線
端子數(shù): 6
電源電壓: 4.5 V ~ 5.5 V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 24-SSOP(0.209",5.30mm 寬)
供應(yīng)商設(shè)備封裝: 24-SSOP
包裝: 帶卷 (TR)
MAX13174E
+5V Multiprotocol, Pin-Selectable
Cable Terminator
10
______________________________________________________________________________________
placed in V.28 mode, all six of the termination networks
are placed in a high-Z mode. In high-Z mode, the
MAX13174E termination networks do not interfere with
the MAX13170E's internal 5k
Ω termination.
In Figure 10, the MAX13174E and MAX13170E are
placed in V.28 mode. Switches S1 and S2 are opened
on the MAX13174E to place the network in high-Z
mode. Switch S3 is closed on the MAX13170E to
enable the 5k
Ω terminating resistor.
A Complete X.21 Interface
A complete DTE-to-DCE interface operating in X.21
mode is shown in Figure 11. The MAX13174E termi-
nates the V.11 clock and data signals. The MAX13170E
carries the clock and data signals, and the MAX13172E
carries the control signals. The control signals generally
do not require external termination.
ESD Protection
ESD-protection structures are incorporated on all pins
to protect against electrostatic discharges encountered
during handling and assembly. The differential resistors
50
Ω
50
Ω
125
Ω
50
Ω
50
Ω
125
Ω
A
B
C
A
B
C
GENERATOR
BALANCED
INTERCONNECTING
CABLE
TERMINATION
RECEIVER
LOAD
Figure 8. Typical V.35 Interface
R6
11k
Ω
R8
5k
Ω
R3
124
Ω
R2
52
Ω
R1
52
Ω
A
B
C
A
B
GND
R5
55k
Ω
1.4V
R7
11k
Ω
R4
55k
Ω
MAX13174E
MAX13170E
S3
S1
RECEIVER
S2
S1
+
-
S2
Figure 9. V.35 Termination and Internal Resistance Networks
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