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| 鍨嬭櫉锛� | MAX7357EUG+T |
| 寤犲晢锛� | Maxim Integrated Products |
| 鏂囦欢闋佹暩(sh霉)锛� | 8/22闋� |
| 鏂囦欢澶�?銆�?/td> | 0K |
| 鎻忚堪锛� | IC MULTIPLEXER 8X1 24TSSOP |
| 鐢�(ch菐n)鍝佸煿瑷撴ā濉婏細 | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 妯欐簴鍖呰锛� | 2,500 |
| 鍔熻兘锛� | 澶氳矾寰╃敤鍣� |
| 闆昏矾锛� | 1 x 8:1 |
| 闆诲闆绘簮锛� | 鍠浕婧� |
| 闆诲 - 闆绘簮锛屽柈璺�/闆欒矾(±)锛� | 2.3 V ~ 5.5 V |
| 宸ヤ綔婧害锛� | -40°C ~ 85°C |
| 瀹夎椤炲瀷锛� | 琛ㄩ潰璨艰 |
| 灏佽/澶栨锛� | 24-TSSOP锛�0.173"锛�4.40mm 瀵級 |
| 渚涙噳鍟嗚ō鍌欏皝瑁濓細 | 24-TSSOP |
| 鍖呰锛� | 甯跺嵎 (TR) |
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MAX7356/MAX7357/MAX7358
1-to-8 I2C Bus Switches/Multiplexers with Bus
Lock-Up Detection, Isolation, and Notification
16
______________________________________________________________________________________
B7
B6
B5
B4
B3
B2
B1
B0
COMMAND
XX
XXXX
X
0
Channel 0 not stuck high
XX
XXXX
X
1
Channel 0 stuck high
XX
XXXX
0
X
Channel 1 not stuck high
XX
XXXX
1
X
Channel 1 stuck high
X
0
X
Channel 2 not stuck high
X
1
X
Channel 2 stuck high
X
0
X
Channel 3 not stuck high
X
1
X
Channel 3 stuck high
X
0
X
Channel 4 not stuck high
X
1
X
Channel 4 stuck high
X
0
X
Channel 5 not stuck high
X
1
X
Channel 5 stuck high
X
0
XXXX
XX
Channel 6 not stuck high
X
1
XXXX
XX
Channel 6 stuck high
0
X
XXXX
XX
Channel 7 not stuck high
1
X
XXXX
XX
Channel 7 stuck high
Table 8. Stuck HIGH Fault Register Channel Indication
X = Don鈥檛 care.
ADDRESS
B7
B6
B5
B4
B3
B2
B1
B0
NOTE
0x04
0
1
0100
0
Write to the troubled device address
0x05
0
1
0000
0
The first data byte with trailing 0鈥檚 due to lock-up
Table 7. A Traffic Prior to Lock-Up Register Contents Example
Stuck HIGH Fault Register
(MAX7357/MAX7358)
Following an interrupt when bit B0 and B7 are enabled,
the bus master can read the stuck high fault byte to
identify stuck channels. A bit set to 鈥�1鈥� indicates that
the associated channel is stuck, and will not be allowed
to be connected to the host bus. The stuck high fault
register is cleared, and, if the interrupt feature is
enabled,
RST/INT deasserts (goes to high) once this
register is read. However, while B7 is set to one, any
time a disconnected bus is selected for connection, the
preconnect test runs. If the fault still exists, the fault
handling sequence repeats and the faulty bus will not
be allowed to connect to the host bus.
RST (MAX7356)
The
RST on the MAX7356 can be used to reset the
MAX7356 by a host. The
RST input is an active-low sig-
nal. By asserting this signal low for a minimum of tWL(rst)
externally, the MAX7356 resets its I2C state machine
and deselects all channels.
RST is overvoltage-tolerant
to +6V. The
RST input must be connected to VDD
through a pullup resistor.
RST/INT (MAX7357/MAX7358)
The
RST/INT on the MAX7357 or MAX7358 is bidirec-
tional. It can be used to reset the device by a host or by
the device to send an interrupt signal to the host. The
RST/INT input is an active-low signal. By asserting
RST/INT low for a minimum of tWL(rst) externally, the
device resets its registers and I2C state machine and
deselects all channels. When
RST/INT is configured to
notify the host of fault conditions, and while
RST/INT
is being used as an output by the MAX7357 or
MAX7358 (sending an interrupt to the host), it does not
function as a reset input.
RST/INT is overvoltage-tolerant
to +6V.
RST/INT must be connected to VDD through a
pullup resistor.
Interrupt Signal (MAX7357/MAX7358)
A bus lock-up-caused interrupt signal can be sent to a
host through the bidirectional
RST/INT pin depending
on whether or not bit B0 of the configuration register is
set. Configuration register bit B2 controls how the inter-
rupt signal is reset. When B2 = 0, the interrupt signal
asserts (stays low) until the lock-up indication register is
read. When B2 = 1, the interrupt signal deasserts after
鐩搁棞PDF璩囨枡 |
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鐩搁棞浠ｇ悊鍟�/鎶€琛撳弮鏁�(sh霉) |
鍙冩暩(sh霉)鎻忚堪 |
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| MAX7358ETG+ | 鍔熻兘鎻忚堪:澶氳矾鍣ㄩ枊闂� IC 1-to-8 I2C Bus Switch/MUX RoHS:鍚� 鍒堕€犲晢:Texas Instruments 閫氶亾鏁�(sh霉)閲�:1 闁嬮棞鏁�(sh霉)閲�:4 闁嬪暉闆婚樆锛堟渶澶у€硷級:7 Ohms 闁嬪暉鏅傞枔锛堟渶澶у€硷級: 闂滈枆鏅傞枔锛堟渶澶у€硷級: 鍌虫挱寤堕伈鏅傞枔:0.25 ns 宸ヤ綔闆绘簮闆诲:2.3 V to 3.6 V 宸ヤ綔闆绘簮闆绘祦: 鏈€澶у伐浣滄韩搴�:+ 85 C 瀹夎棰ㄦ牸:SMD/SMT 灏佽 / 绠遍珨:UQFN-16 |
| MAX7358ETG+T | 鍔熻兘鎻忚堪:澶氳矾鍣ㄩ枊闂� IC 1-to-8 I2C Bus Switch/MUX RoHS:鍚� 鍒堕€犲晢:Texas Instruments 閫氶亾鏁�(sh霉)閲�:1 闁嬮棞鏁�(sh霉)閲�:4 闁嬪暉闆婚樆锛堟渶澶у€硷級:7 Ohms 闁嬪暉鏅傞枔锛堟渶澶у€硷級: 闂滈枆鏅傞枔锛堟渶澶у€硷級: 鍌虫挱寤堕伈鏅傞枔:0.25 ns 宸ヤ綔闆绘簮闆诲:2.3 V to 3.6 V 宸ヤ綔闆绘簮闆绘祦: 鏈€澶у伐浣滄韩搴�:+ 85 C 瀹夎棰ㄦ牸:SMD/SMT 灏佽 / 绠遍珨:UQFN-16 |
| MAX7358EUG+ | 鍔熻兘鎻忚堪:澶氳矾鍣ㄩ枊闂� IC 1-to-8 I2C Bus Switch/MUX RoHS:鍚� 鍒堕€犲晢:Texas Instruments 閫氶亾鏁�(sh霉)閲�:1 闁嬮棞鏁�(sh霉)閲�:4 闁嬪暉闆婚樆锛堟渶澶у€硷級:7 Ohms 闁嬪暉鏅傞枔锛堟渶澶у€硷級: 闂滈枆鏅傞枔锛堟渶澶у€硷級: 鍌虫挱寤堕伈鏅傞枔:0.25 ns 宸ヤ綔闆绘簮闆诲:2.3 V to 3.6 V 宸ヤ綔闆绘簮闆绘祦: 鏈€澶у伐浣滄韩搴�:+ 85 C 瀹夎棰ㄦ牸:SMD/SMT 灏佽 / 绠遍珨:UQFN-16 |
| MAX7358EUG+T | 鍔熻兘鎻忚堪:澶氳矾鍣ㄩ枊闂� IC 1-to-8 I2C Bus Switch/MUX RoHS:鍚� 鍒堕€犲晢:Texas Instruments 閫氶亾鏁�(sh霉)閲�:1 闁嬮棞鏁�(sh霉)閲�:4 闁嬪暉闆婚樆锛堟渶澶у€硷級:7 Ohms 闁嬪暉鏅傞枔锛堟渶澶у€硷級: 闂滈枆鏅傞枔锛堟渶澶у€硷級: 鍌虫挱寤堕伈鏅傞枔:0.25 ns 宸ヤ綔闆绘簮闆诲:2.3 V to 3.6 V 宸ヤ綔闆绘簮闆绘祦: 鏈€澶у伐浣滄韩搴�:+ 85 C 瀹夎棰ㄦ牸:SMD/SMT 灏佽 / 绠遍珨:UQFN-16 |
| MAX7358EVKIT+ | 鍒堕€犲晢:Maxim Integrated Products 鍔熻兘鎻忚堪:MAX7358 EVAL KIT - Boxed Product (Development Kits) |
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