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參數(shù)資料
| 型號： | DS4550E+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 5/18頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC I/O EXPANDER I2C 9B 20TSSOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 74 |
| 接口： | I²C，JTAG |
| 輸入/輸出數(shù)： | 9 |
| 中斷輸出： | 無 |
| 頻率 - 時(shí)鐘： | 400kHz |
| 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(yīng)商設(shè)備封裝： | 20-TSSOP |
| 包裝： | 管件 |
| 包括： | EEPROM |
DS4550
I2C and JTAG Nonvolatile 9-Bit I/O
Expander Plus Memory
____________________________________________________________________
13
Table 3. Boundary Scan Control Bits [33 Bits]
CELL
NUMBER
NAME
TYPE
32
A2 input
Input Observe Only
31
A1 input
Input Observe Only
30
A0 input
Input Observe Only
29
SCL input
Input Observe Only
28
SDA input
Input Observe Only
27
SDA output
Output
26
IO8 pubout
Output
25
IO8 pdbout
Output
24
IO8 input
Input Observe Only
23
IO7 pubout
Output
22
IO7 pdbout
Output
21
IO7 input
Input Observe Only
20
IO6 pubout
Output
19
IO6 pdbout
Output
18
IO6 input
Input Observe Only
17
IO5 pubout
Output
16
IO5 pdbout
Output
Table 4. EEPROM Read Cycle
STEP
TAP STATE
COMMENTS
Select-IR-Scan
Capture-IR
Shift-IR (4 x TCK)
The 4-bit instruction is shifted in through TDI.
Exit1-IR
Select
Address
Register
Update-IR
Select-DR-Scan
Capture-DR
No-op.
Shift-DR (8 x TCK)
The 8-bit address is shifted in through TDI.
Exit1-DR
Load
EEPROM
Address
Update-DR
The shifted 8-bit Address Register data is output latched.
Select-IR-Scan
Capture-IR
Shift-IR (4 x TCK)
The 4-bit instruction is shifted in through TDI.
Exit1-IR
Select
Read
Register
Update-IR
Select-DR-Scan
Capture-DR
The 8-bit EEPROM data is loaded into the EEPROM Read Register.
Shift-DR (8 x TCK)
The 8-bit data is shifted out through TDO.
Exit1-DR
Read
EEPROM
Data
Update-DR
No-op.
CELL
NUMBER
NAME
TYPE
15
IO5 input
Input Observe Only
14
IO4 pubout
Output
13
IO4 pdbout
Output
12
IO4 input
Input Observe Only
11
IO3 pubout
Output
10
IO3 pdbout
Output
9
IO3 input
Input Observe Only
8
IO2 pubout
Output
7
IO2 pdbout
Output
6
IO2 input
Input Observe Only
5
IO1 pubout
Output
4
IO1 pdbout
Output
3
IO1 input
Input Observe Only
2
IO0 pubout
Output
1
IO0 pdbout
Output
0
IO0 input
Input Observe Only
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參數(shù)描述 |
|---|---|
| DS4550E+ | 功能描述:接口-I/O擴(kuò)展器 9-Bit I2C/JTAG NV GPIO RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
| DS4550E+T&R | 制造商:Maxim Integrated Products 功能描述:I2C AND JTAG NONVOLATILE 9-BIT I/O 20TSSOP - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC I/O EXPANDER I2C 9B 20TSSOP |
| DS4550E+T&R | 功能描述:接口-I/O擴(kuò)展器 9-Bit I2C/JTAG NV GPIO RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
| DS456 | 制造商:Miyama Electric 功能描述: |
| DS4560 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:12V Hot-Plug Switch |
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