參數(shù)資料
型號(hào): DS3901E+T&R
廠商: Maxim Integrated Products
文件頁數(shù): 5/20頁
文件大?。?/td> 0K
描述: IC RESIST VAR TRPL 14TSSOP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
接片: 256
電阻(歐姆): 20k,30k,50k
電路數(shù): 3
溫度系數(shù): 標(biāo)準(zhǔn)值 50 ppm/°C
存儲(chǔ)器類型: 非易失
接口: I²C(設(shè)備位址)
電源電壓: 2.4 V ~ 5.5 V
工作溫度: -40°C ~ 95°C
安裝類型: 表面貼裝
封裝/外殼: 14-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 14-TSSOP
包裝: 帶卷 (TR)
DS3901
Triple, 8-Bit NV Variable Resistor
with Dual Settings and User EEPROM
____________________________________________________________________
13
MEMORY REGISTERS 94h–97h: PW2 PASSWORD SETTING
Factory Default:
00000000h
Access Without Password:
None
Access With PW1 Password:
None
Access With PW2 Password:
Write only
Memory Type:
Nonvolatile (EEPROM)
94h
231
230
229
228
227
226
225
224
95h
223
222
221
220
219
218
217
216
96h
215
214
213
212
211
210
29
28
97h
27
26
25
24
23
22
21
20
b7
b0
These four bytes contain the password used to access
memory that is protected by the PW2 password.
MEMORY REGISTER 98h: RESISTOR 0, BANK 0
Factory Default:
7Fh
Access Without Password:
Read only
Access With PW1 Password:
Read only
Access With PW2 Password:
Read and Write
Memory Type:
Nonvolatile (EEPROM)
27
26
25
24
23
22
21
20
98h
b7
b0
This register contains the Bank 0 values for Resistor 0.
The OR’d result of the state of the BSC bit (bit 3, 84h)
and the BK_SEL pin determines if Resistor 0 Bank 0 or
Resistor 0 Bank 1 is used for the Resistor 0 setting. See
the Configuration Register in Register 84h for logic
details.
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