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參數資料
| 型號： | SN74AHCT245DGVRE4 |
| 廠商： | Texas Instruments |
| 文件頁數： | 1/27頁 |
| 文件大小： | 0K |
| 描述： | IC BUS TRANSCEIVER 8BIT 20TVSOP |
| 標準包裝： | 2,000 |
| 系列： | 74AHCT |
| 邏輯類型： | 收發器，非反相 |
| 元件數： | 1 |
| 每個元件的位元數： | 8 |
| 輸出電流高，低： | 8mA，8mA |
| 電源電壓： | 4.5 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-TFSOP（0.173"，4.40mm 寬） |
| 供應商設備封裝： | 20-TVSOP |
| 包裝： | 帶卷 (TR) |
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SN74AHCT245 . . . DB, DGV, DW, N, NS,
OR PW PACKAGE
(TOP VIEW)
3
2
1 20 19
9 10 11 12 13
4
5
6
7
8
18
17
16
15
14
B1
B2
B3
B4
B5
A3
A4
A5
A6
A7
A2
A1
DIR
B7
B6
OE
A8
GND
B8
V
CC
SN54AHCT245 . . . FK PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
9
10
20
19
18
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16
15
14
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DIR
A1
A2
A3
A4
A5
A6
A7
A8
GND
VCC
OE
B1
B2
B3
B4
B5
B6
B7
B8
SN74AHCT245 . . . RGY PACKAGE
(TOP VIEW)
1
20
10
11
2
3
4
5
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7
8
9
19
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17
16
15
14
13
12
OE
B1
B2
B3
B4
B5
B6
B7
A1
A2
A3
A4
A5
A6
A7
A8
DIR
B8
V
GND
CC
SN54AHCT245 . . . J OR W PACKAGE
SCLS233O – OCTOBER 1995 – REVISED AUGUST 2013
OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
Check for Samples: SN74AHCT245, SN54AHCT245
1
FEATURES
DESCRIPTION
These octal bus transceivers are designed for
Inputs Are TTL-Voltage Compatible
asynchronous two-way communication between data
Latch-Up Performance Exceeds 250 mA Per
buses. The control-function implementation minimizes
JESD 17
external timing requirements.
ESD Protection Exceeds JESD 22
The ’AHCT245 devices allow data transmission from
–
2000-V Human-Body Model (A114-A)
the A bus to the B bus or from the B bus to the A
bus, depending on the logic level at the direction-
–
200-V Machine Model (A115-A)
control (DIR) input. The output-enable (OE) input can
–
1000-V Charged-Device Model (C101)
be used to disable the device so that the buses
effectively are isolated.
To ensure the high-impedance state during power up
or power down, OE should be tied to VCC through a
pullup resistor; the minimum value of the resistor is
determined by the current-sinking capability of the
driver.
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Copyright 1995–2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| SN74AHCT245DGVRG4 | 功能描述:總線收發器 Octal 總線收發器 RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數量: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 |
| SN74AHCT245DW | 功能描述:總線收發器 Tri-State Octal Bus RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數量: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 |
| SN74AHCT245DW | 制造商:Texas Instruments 功能描述:ICS TRANSCEIVERS LOGIC ROHS COMPLIANT:Y |
| SN74AHCT245DWE4 | 功能描述:總線收發器 Octal Bus Trnscvrs With 3-State Outputs RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數量: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 |
| SN74AHCT245DWG4 | 功能描述:總線收發器 Octal 總線收發器 RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數量: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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