参数资料
型号: DS1874T+T&R
厂商: Maxim Integrated
文件页数: 24/88页
文件大小: 0K
描述: IC CTLR SFP+ ANLG LDD 28-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: 激光二极管控制器
通道数: 1
电源电压: 2.85 V ~ 3.9 V
电流 - 电源: 2.5mA
工作温度: -40°C ~ 95°C
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-TQFN-EP(5x5)
包装: 带卷 (TR)
安装类型: 表面贴装
其它名称: 90-1874T+TRL
SFP+ Controller with Digital LDD Interface
RESET FLAGS HERE
POR
READ TXPOR1
UPDATE
MODULATION
YES
TX_POR = 1?
YES
READ TXPOR3
TXDIS = 1?
NO
YES
SET TXD FLAG HERE
TXD_LATCHED = 1
NO
WRITE MOD, BIAS = 00
UPDATE CTRL
TX_POR = = 1?
READ TXPOR4
TX_POR = = 1?
TXD = = 0?
NO
TXD HIGH_STDBY
1011
START APC
NO
LOOP
YES
TXD = = 0?
MAN_MODE_RDWR = 1?
READ/WRITE
MANMODE
YES
SET RTXPOR2_FLAG HERE
READ TXPOR2
NO
NO
APC_BINARY = = 1?
YES
STROBE
TXD_FLAG = = 1
OR TXDIS = 1 OR
RTXPOR2 FLAG
NO
BIASINC = = 1?
NO
MODINC = = 1?
YES
INCREMENT
MODULATION
NO
YES
NO
TX_POR = = 1?
YES
BIASINC = = 1?
YES
UPDATE BIAS
YES
BIASINC = = 1?
YES
YES
NO
APC_BINARY = = 1?
MODINC = 1?
NO
STANDBY
NO
NO
TXD_FLAG = = 1? OR
RTXPOR2 FLAG = 1
NO
TEMP_CONV_START = = 1?
AND TXDIS = 0
UPDATE
TXSTAT, BIAS, MOD
MAN_MODE_RDWR = 1?
Figure 16. 3-Wire State Machine
24
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