參數(shù)資料
型號(hào): DS1878T+T
廠(chǎng)商: Maxim Integrated Products
文件頁(yè)數(shù): 76/101頁(yè)
文件大?。?/td> 0K
描述: IC CTLR SFP W/DGTL LDD RX 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(lèi)型: SFP+ 控制器
輸入類(lèi)型: 模擬,數(shù)字
輸出類(lèi)型: 數(shù)字
接口: I²C,LDD,串行
電流 - 電源: 2.5mA
安裝類(lèi)型: 表面貼裝
封裝/外殼: 28-WFQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝: 28-TQFN-EP(5x5)
包裝: 帶卷 (TR)
DS1878
SFP+ Controller with Digital LDD Interface
76
______________________________________________________________________________________
FACTORY DEFAULT
00h
READ ACCESS
PW2 or (PW1 and RWTBL246) or (PW1 and RTBL246)
WRITE ACCESS
PW2 or (PW1 and RWTBL246)
MEMORY TYPE
Nonvolatile (SEE)
BCh
27
26
25
24
23
22
21
20
BIT 7
BIT 0
Fast-comparison DAC threshold adjust for high TXP. This value is added to the APC DAC value recalled from
Table 06h. If the sum is greater than 0xFF, 0xFF is used. Comparisons greater than VHTXP, compared against
VMON2, create a TXP HI alarm. The same ranging applied to the APC DAC should be used here.
VHTXP
=
Full Scale
255
HTXP
+ APC DAC
()
Table 02h, Register BCh: HTXP
Table 02h, Register BDh: LTXP
FACTORY DEFAULT
00h
READ ACCESS
PW2 or (PW1 and RWTBL246) or (PW1 and RTBL246)
WRITE ACCESS
PW2 or (PW1 and RWTBL246)
MEMORY TYPE
Nonvolatile (SEE)
BDh
27
26
25
24
23
22
21
20
BIT 7
BIT 0
Fast-comparison DAC threshold adjust for low TXP. This value is subtracted from the APC DAC value recalled
from Table 06h. If the difference is less than 0x00, 0x00 is used. Comparisons less than VLTXP, compared
against VMON2, create a TXP LO alarm. The same ranging applied to the APC DAC should be used here.
VLTXP
=
Full Scale
255
APC DAC LTXP
()
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