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參數(shù)資料
| 型號： | 74LCXH16244MTDX |
| 廠商： | Fairchild Semiconductor |
| 文件頁數(shù)： | 8/9頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC BUFF DVR 16BIT LOW V 48TSSOP |
| 標準包裝： | 1,000 |
| 系列： | 74LCXH |
| 邏輯類型： | 緩沖器/線路驅(qū)動器，非反相 |
| 元件數(shù)： | 4 |
| 每個元件的位元數(shù)： | 4 |
| 輸出電流高，低： | 12mA，12mA |
| 電源電壓： | 2 V ~ 3.6 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 48-TFSOP（0.240"，6.10mm 寬） |
| 供應商設(shè)備封裝： | 48-TSSOP |
| 包裝： | 帶卷 (TR) |
8
COMMERCIALTEMPERATURERANGE
IDT72V70180 3.3V TIME SLOT INTERCHANGE
DIGITAL SWITCH 128 x 128
TABLE 6 — INTERFACE MODE SELECTION (IMS) REGISTER BITS
Read/Write Address:
01H,
Reset Value:
0000H.
Bit
Name
Description
15-10
Unused
Must be zero for normal operation.
9-5
BPD4-0
These bits carry the value to be loaded into the connection memory block whenever the memory block
(Block Programming Data)
programming feature is activated. After the MBP bit in the control register is set to 1 and the BPE bit is
set to 1, the contents of the bits BPD4-0 are loaded into bit 15 and 11 of the connection memory. Bit 10 to
bit 0 of the connection memory are set to 0.
4
BPE
A zero to one transition of this bit enables the memory block programming function. The BPE and
(Begin Block Programming
BPD4-0 bits in the IMS register have to be defined in the same write operation. Once the BPE bit is set
Enable)
HIGH, the device requires two frames to complete the block programming. After the programming function
has finished, the BPE bit returns to zero to indicate the operation is completed. When the BPE = 1, the BPE
or MBP can be set to 0 to abort to ensure proper operation. When BPE = 1, the other bit in the IMS register
must not be changed for two frames to ensure proper operation.
3
OSB
When ODE = 0 and OSB = 0, the output drivers of TX0 to TX3 are in high impedance mode. When
(Output Stand By)
ODE= 0 and OSB = 1, the output driver of TX0 to TX3 function normally. When ODE = 1, TX0 to TX3
output drivers function normally.
2
SFE
A zero to one transition in this bit starts the frame evaluation procedure. When the CFE bit in the FAR
(Start Frame Evaluation)
register changes from zero to one, the evaluation procedure stops. To start another fame evaluation
cycle, set this bit to zero for at least one frame.
1-0
Unused
Must be zero for normal operation.
15
14
13
12
11
10
9876543210
000000
BPD4 BPD3 BPD2 BPD1 BPD0
BPE
OSB
SFE
0
TABLE 5 — CONTROL REGISTER (CR) BITS
Read/Write Address:
00H.
Reset Value:
0000H.
15
14
13
12
11
10
9876543210
0000000000
MBP
MS
00
STA1
STA0
Bit
Name
Description
15-6
Unused
Must be zero for normal operation.
5
MBP
When 1, the connection memory block programming feature is ready for the programming of Connection
(Memory Block Program)
Memory high bits, bit 11 to bit 15. When 0, this feature is disabled.
4
MS
When 0, connection memory is selected for read or write operations. When 1, the data memory is selected
(Memory Select)
for read operations and connection memory is selected for write operations.
(No microprocessor write operation is allowed for the data memory).
3-2
Unused
Must be zero for normal operation.
1-0
STA1-0
The binary value expressed by these bits refers to the input or output data stream, which corresponds
(Stream Address Bits)
to the subsection of memory made accessible for subsequent operations. (STA1 = MSB, STA0 = LSB)
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| 74LCXH16245G | 功能描述:總線收發(fā)器 Transcvr w/Bushold LV 16Bit Bidirect RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| 74LCXH16245GX | 功能描述:總線收發(fā)器 Transcvr w/Bushold LV 16Bit Bidirect RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| 74LCXH16245MTD | 功能描述:總線收發(fā)器 16-Bit Transceiver Bidirectional RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| 74LCXH16245MTDX | 功能描述:總線收發(fā)器 Transcvr w/Bushold LV 16Bit Bidirect RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| 74LCXH16245TTR | 功能描述:總線收發(fā)器 16-Bit Bus Tranceivr RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
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