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參數資料
| 型號： | SN74AHC244PWRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 總線收發器 |
| 英文描述： | AHC/VHC/H/U/V SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | GREEN, PLASTIC, TSSOP-20 |
| 文件頁數： | 1/23頁 |
| 文件大小： | 802K |
| 代理商： | SN74AHC244PWRG4 |
SN54AHC244, SN74AHC244
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCLS226J OCTOBER 1995 REVISED JULY 2003
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Operating Range 2-V to 5.5-V V
CC
D Latch-Up Performance Exceeds 250 mA Per
JESD 17
description/ordering information
These
octal
buffers/drivers
are
designed
specifically to improve the performance and
density of 3-state memory-address drivers, clock
drivers,
and
bus-oriented
receivers
and
transmitters.
The ’AHC244 devices are organized as two 4-bit
buffers/line drivers with separate output-enable
(OE) inputs. When OE is low, the device passes
data from the A inputs to the Y outputs. When OE
is high, the outputs are in the high-impedance
state.
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.
ORDERING INFORMATION
TA
PACKAGE
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
PDIP N
Tube
SN74AHC244N
SOIC
DW
Tube
SN74AHC244DW
AHC244
SOIC DW
Tape and reel
SN74AHC244DWR
AHC244
40
°Cto85°C
SOP NS
Tape and reel
SN74AHC244NSR
AHC244
40
°C to 85°C
SSOP DB
Tape and reel
SN74AHC244DBR
HA244
TSSOP
PW
Tube
SN74AHC244PW
HA244
TSSOP PW
Tape and reel
SN74AHC244PWR
HA244
TVSOP DGV
Tape and reel
SN74AHC244DGVR
HA244
CDIP J
Tube
SNJ54AHC244J
55
°C to 125°C
CFP W
Tube
SNJ54AHC244W
55 C to 125 C
LCCC FK
Tube
SNJ54AHC244FK
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines
are available at www.ti.com/sc/package.
Copyright
2003, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
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.
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
1OE
1A1
2Y4
1A2
2Y3
1A3
2Y2
1A4
2Y1
GND
VCC
2OE
1Y1
2A4
1Y2
2A3
1Y3
2A2
1Y4
2A1
SN54AHC244 ...J OR W PACKAGE
SN74AHC244 . . . DB, DGV, DW, N, NS, OR PW PACKAGE
(TOP VIEW)
3
2
1 20 19
910 11 12 13
4
5
6
7
8
18
17
16
15
14
1Y1
2A4
1Y2
2A3
1Y3
1A2
2Y3
1A3
2Y2
1A4
SN54AHC244 . . . FK PACKAGE
(TOP VIEW)
2Y4
1A1
1OE
1Y4
2A2
2OE
2Y1
GND
2A1
V
CC
On products compliant to MIL-PRF-38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.
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| SN74AHC244NSRG4 | AHC/VHC/H/U/V SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20 |
| SNJ54AHC244WR | AHC/VHC/H/U/V SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, CDFP20 |
| SN74AHC245DBRG4 | AHC/VHC/H/U/V SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20 |
| SN74AHC245DBLE | AHC SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20 |
| SNJ54AHC245J | AHC SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, CDIP20 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| SN74AHC244QDWR | 功能描述:緩沖器和線路驅動器 Auto Cat Octal Buff Drv w/3 St Otpt RoHS:否 制造商:Micrel 輸入線路數量:1 輸出線路數量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| SN74AHC244QDWRG4 | 功能描述:緩沖器和線路驅動器 Auto Cat Octal Buffers/Drivers RoHS:否 制造商:Micrel 輸入線路數量:1 輸出線路數量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| SN74AHC244QDWRG4Q1 | 功能描述:緩沖器和線路驅動器 Auto Cat Octal Bfr/ Drvr RoHS:否 制造商:Micrel 輸入線路數量:1 輸出線路數量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| SN74AHC244QDWRQ1 | 功能描述:緩沖器和線路驅動器 Auto Cat Octal Buff Drv w/3 St Otpt RoHS:否 制造商:Micrel 輸入線路數量:1 輸出線路數量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| SN74AHC244QPWR | 功能描述:緩沖器和線路驅動器 Auto Cat Octal Buff Drv w/3 St Otpt RoHS:否 制造商:Micrel 輸入線路數量:1 輸出線路數量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
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