(5mm
參數(shù)資料
型號: DS1877T+T&R
廠商: Maxim Integrated Products
文件頁數(shù): 2/65頁
文件大小: 0K
描述: IC CTLR/MON SFP 1-2CH 28TQFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
類型: SFP+ 控制器
輸入類型: 邏輯
輸出類型: 邏輯
接口: I²C
電流 - 電源: 2.5mA
安裝類型: 表面貼裝
封裝/外殼: 28-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 28-TQFN-EP(5x5)
包裝: 帶卷 (TR)
其它名稱: 90-1877T+TRL
10
Maxim Integrated
SFP Controller for Dual Rx Interface
DS1877
Pin Configuration
Pin Description
THIN QFN
(5mm × 5mm × 0.8mm)
TOP VIEW
26
27
25
24
10
9
11
SCL
FAULT
LOS1
INX
LOS2
12
RSELOUT
DAC1
GND
RSSI1N
GND
V CC
N.C.
1
2
N.C.
4
5
6
7
20
21
19
17
16 15
VCC
LOSOUT
RSSI2P
N.C.
DNC
RSEL
SDA
DAC2
3
18
28
8
OUTX
GND
N.C.
23
13 RSSI2N
N.C.
22
14 RSSI1P
REFIN
DS1877
*EP
+
*EXPOSED PAD.
PIN
NAME
FUNCTION
1
RSELOUT
Rate-Select Output
2
SCL
I2C Serial-Clock Input
3
SDA
I2C Serial-Data Input/Output
4
FAULT
Transmit Fault Input and Output,
Open Drain
5
LOS1
Loss-of-Signal Input 1
6
INX
Digital Input. General-purpose
input, AS1 in SFF-8079, or RS1
in SFF-8431.
7
LOS2
Loss-of-Signal Input 2
8, 18, 21
GND
Ground Connection
9
RSEL
Rate-Select Input
10
DNC
Do Not Connect
11, 15, 23,
24, 25
N.C.
No Connection. Not internally
connected.
PIN
NAME
FUNCTION
12, 13
RSSI2P,
RSSI2N
Differential External Monitor Input
2 and LOS2 LO Quick Trip
14, 17
RSSI1P,
RSSI1N
Differential External Monitor Input
1 and LOS1 LO Quick Trip
16, 26
VCC
Power-Supply Input
19
DAC2
DAC2, Delta-Sigma Output
20
DAC1
DAC1, Delta-Sigma Output
22
REFIN
Reference Input for DAC1 and
DAC2
27
LOSOUT
Receive Loss-of-Signal Output
28
OUTX
Digital Output. General-purpose
output, AS1 output in SFF-8079,
or RS1 output in SFF-8431.
EP
Exposed Pad (Connect to GND)
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