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| 型号： | SN74AHCT244DWRE4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | AHCT/VHCT/VT SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20 |
| 封装： | GREEN, PLASTIC, SOIC-20 |
| 文件页数： | 1/20页 |
| 文件大小： | 777K |
| 代理商： | SN74AHCT244DWRE4 |
SN54AHCT244, SN74AHCT244
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCLS228L – OCTOBER 1995 – REVISED JULY 2003
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Inputs Are TTL-Voltage Compatible
D Latch-Up Performance Exceeds 250 mA Per
JESD 17
description/ordering information
These
octal
buffers/drivers
are
designed
specifically to improve both the performance and
density of 3-state memory-address drivers, clock
drivers,
and
bus-oriented
receivers
and
transmitters.
The ’AHCT244 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
SN74AHCT244N
SOIC
DW
Tube
SN74AHCT244DW
AHCT244
SOIC – DW
Tape and reel
SN74AHCT244DWR
AHCT244
40
°Cto85°C
SOP – NS
Tape and reel
SN74AHCT244NSR
AHCT244
–40
°C to 85°C
SSOP – DB
Tape and reel
SN74AHCT244DBR
HB244
TSSOP
PW
Tube
SN74AHCT244PW
HB244
TSSOP – PW
Tape and reel
SN74AHCT244PWR
HB244
TVSOP – DGV
Tape and reel
SN74AHCT244DGVR
HB244
CDIP – J
Tube
SNJ54AHCT244J
–55
°C to 125°C
CFP – W
Tube
SNJ54AHCT244W
LCCC – FK
Tube
SNJ54AHCT244FK
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
SN54AHCT244 ...J OR W PACKAGE
SN74AHCT244 . . . DB, DGV, DW, N, NS, OR PW PACKAGE
(TOP VIEW)
32 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
SN54AHCT244 . . . 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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相关代理商/技术参数 |
参数描述 |
|---|---|
| SN74AHCT244DWRG4 | 功能描述:缓冲器和线路驱动器 Octal Buffer Driver RoHS:否 制造商:Micrel 输入线路数量:1 输出线路数量:2 极性:Non-Inverting 电源电压-最大:+/- 5.5 V 电源电压-最小:+/- 2.37 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Reel |
| SN74AHCT244IPWRQ1 | 功能描述:缓冲器和线路驱动器 Auto Cat Octal Buff Drv w/3 St Otpt RoHS:否 制造商:Micrel 输入线路数量:1 输出线路数量:2 极性:Non-Inverting 电源电压-最大:+/- 5.5 V 电源电压-最小:+/- 2.37 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Reel |
| SN74AHCT244MDWREP | 功能描述:缓冲器和线路驱动器 Mil Enhance Octal Buffers/Drivers RoHS:否 制造商:Micrel 输入线路数量:1 输出线路数量:2 极性:Non-Inverting 电源电压-最大:+/- 5.5 V 电源电压-最小:+/- 2.37 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Reel |
| SN74AHCT244MPWREP | 功能描述:缓冲器和线路驱动器 Mil Enhance Octal Buffers/Drivers RoHS:否 制造商:Micrel 输入线路数量:1 输出线路数量:2 极性:Non-Inverting 电源电压-最大:+/- 5.5 V 电源电压-最小:+/- 2.37 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Reel |
| SN74AHCT244N | 功能描述:缓冲器和线路驱动器 Tri-State Octal RoHS:否 制造商:Micrel 输入线路数量:1 输出线路数量:2 极性:Non-Inverting 电源电压-最大:+/- 5.5 V 电源电压-最小:+/- 2.37 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Reel |
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