參數(shù)資料
型號: DS3930E+T&R
廠商: Maxim Integrated Products
文件頁數(shù): 10/12頁
文件大小: 0K
描述: IC POT NV HEX I/O MEM 20-TSSOP
產(chǎn)品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 2,500
接片: 256
電阻(歐姆): 16.5k
電路數(shù): 6
溫度系數(shù): 標準值 ±250 ppm/°C
存儲器類型: 非易失
接口: I²C(設(shè)備位址)
電源電壓: 2.7 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 20-TSSOP(0.173",4.40mm 寬)
供應商設(shè)備封裝: 20-TSSOP
包裝: 帶卷 (TR)
Detailed Description
The DS3930 contains six NV potentiometers with 64
bytes of NV user memory (EEPROM), and four pro-
grammable NV I/O pins. Figure 1 is a functional dia-
gram of the DS3930.
Potentiometers
The six potentiometers share a common low side and
are separated into two groups of three potentiometers,
each group sharing a common high side. The six 256-
position potentiometers are controllable using six 8-bit
EEPROM registers through the 2-wire interface.
DS3930
Hex Nonvolatile Potentiometer with
I/O and Memory
_____________________________________________________________________
7
2-WIRE
INTERFACE
VCC
A0
SDA
SCL
A1
A2
GND
POT0
50k
50k
50k
50k
50k
50k
POT1
POT2
POT3
POT4
POT5
W0
W1
W2
W3
W4
W5
HI0-2
LO0-5
HI3-5
I/O0
I/O1
I/O2
I/O3
I/O CELL X 4
64 BYTES OF
EEPROM
RESERVED
POT0 CONTROL
I/O CONTROL
I/O STATE
RESERVED
FFh
F8h
F7h
F6h
F5h
POT1 CONTROL
POT2 CONTROL
POT3 CONTROL
POT4 CONTROL
POT5 CONTROL
F1h
F2h
F3h
F4h
EFh
F0h
00h
3Fh
40h
8
4
EEPROM
DS3930
Figure 1. DS3930 Functional Diagram
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