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参数资料
| 型号： | MAX6958AAEE+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 7/19页 |
| 文件大小： | 0K |
| 描述： | IC DRVR DSPL LED 16-QSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 显示器类型： | LED |
| 配置： | 7 段 + 2 个信号器 |
| 接口： | SMBus（2 线/I²C） |
| 数字或字符： | 4 位数字 |
| 电流 - 电源： | 5.9mA |
| 电源电压： | 3 V ~ 5.5 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-QSOP |
| 包装： | 带卷 (TR) |
2-Wire Interfaced, 3V to 5.5V, 4-Digit,
9-Segment LED Display Drivers with Keyscan
SDA
0
1
1
1
0
0
A0
R/W
ACK
MSB
LSB
SCL
Figure 3. Slave Address
CLOCK PULSE FOR
SDA
START
CONDITION
ACKNOWLEDGMENT
SCL
1
2
8
9
SCL
NOT ACKNOWLEDGE
DATA STABLE,
DATA VALID
CHANGE OF
DATA ALLOWED
SDA
ACKNOWLEDGE
Figure 4. Bit Transfer
Figure 5. Acknowledge
Bit Transfer
One data bit is transferred during each clock pulse.
The data on the SDA line must remain stable while SCL
is high (Figure 4).
Acknowledge
The acknowledge bit is a clocked 9th bit that the recipi-
ent uses to handshake receipt of each byte of data
(Figure 5). Thus, each byte transferred effectively
requires 9 bits. The master generates the 9th clock
pulse, and the recipient pulls down SDA during the
acknowledge clock pulse, such that the SDA line is sta-
ble low during the high period of the clock pulse. When
the master is transmitting to the MAX6958/MAX6959,
the MAX6958/MAX6959 generate the acknowledge bit
because the MAX6958/MAX6959 are the recipients.
When the MAX6958/MAX6959 are transmitting to the
master, the master generates the acknowledge bit
because the master is the recipient.
Slave Address
The MAX6958/MAX6959 are available in one of two
possible slave addresses (see Table 2 and Ordering
Information ). The first 6 bits (MSBs) of the MAX6958/
MAX6959 slave address are always 011100. Slave
address bit A0 is internally hardwired to either GND in
the MAX695_A_, or V+ in the MAX695_B_. A maximum
of two MAX6958/MAX6959 devices can share a bus.
Message Format for Writing
A write to the MAX6958/MAX6959 comprises the trans-
mission of the MAX6958/MAX6959s’ slave address with
the R/ W bit set to zero, followed by at least 1 byte of
information. The first byte of information is the com-
mand byte, which determines the register that stores
the next byte written to the MAX6958/MAX6959. If a
STOP condition is detected after the command byte is
received, the MAX6958/MAX6959 take no further action
(Figure 6) beyond storing the command byte.
Table 2. MAX6958/MAX6959 Address Map
The MAX6958/MAX6959 have a 7-bit-long slave
address (Figure 3). The eighth bit following the 7-bit
slave address is the R/ W bit. Set the R/ W bit low for a
SLAVE ADDRESS
BIT A0
MAX6958/MAX6959 DEVICE ADDRESS
A6 A5 A4 A3 A2 A1 A0
write command and high for a read command.
MAX695_A_
MAX695_B_
0
0
1
1
1
1
1
1
0
0
0
0
0
1
COMMAND BYTE IS STORED ON RECEIPT OF STOP CONDITION
D15
D14
D13
D12
D11
D10
D9
D8
ACKNOWLEDGE FROM
MAX6958/MAX6959
S
SLAVE ADDRESS
0
A
COMMAND BYTE
A
P
Figure 6. Command Byte Received
R/W
ACKNOWLEDGE FROM
MAX6958/MAX6959
_______________________________________________________________________________________
7
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX6958AAPE | 功能描述:LED显示驱动器 RoHS:否 制造商:Micrel 数位数量:5 片段数量: 安装风格:SMD/SMT 封装 / 箱体:PLCC-44 工作电源电压:4.75 V to 11 V 最大电源电流:10 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube |
| MAX6958AAPE+ | 功能描述:LED显示驱动器 3-5.5V 4-Digit 9-Seg LED Display Driver RoHS:否 制造商:Micrel 数位数量:5 片段数量: 安装风格:SMD/SMT 封装 / 箱体:PLCC-44 工作电源电压:4.75 V to 11 V 最大电源电流:10 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube |
| MAX6958BAEE | 功能描述:LED显示驱动器 3-5.5V 4-Digit 9-Seg LED Display Driver RoHS:否 制造商:Micrel 数位数量:5 片段数量: 安装风格:SMD/SMT 封装 / 箱体:PLCC-44 工作电源电压:4.75 V to 11 V 最大电源电流:10 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube |
| MAX6958BAEE+ | 功能描述:LED显示驱动器 3-5.5V 4-Digit 9-Seg LED Display Driver RoHS:否 制造商:Micrel 数位数量:5 片段数量: 安装风格:SMD/SMT 封装 / 箱体:PLCC-44 工作电源电压:4.75 V to 11 V 最大电源电流:10 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube |
| MAX6958BAEE+T | 功能描述:LED显示驱动器 3-5.5V 4-Digit 9-Seg LED Display Driver RoHS:否 制造商:Micrel 数位数量:5 片段数量: 安装风格:SMD/SMT 封装 / 箱体:PLCC-44 工作电源电压:4.75 V to 11 V 最大电源电流:10 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube |
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