參數(shù)資料
型號(hào)： SN74HCT244DB
廠商： Texas Instruments, Inc.
英文描述： 1A, 15V,±4% Tolerance, Voltage Regulator, Ta = 0°C to +125°C; Package: 3 LEAD D2PAK; No of Pins: 3; Container: Tape and Reel; Qty per Container: 800
中文描述： 八路緩沖器和線路驅(qū)動(dòng)器，三態(tài)輸出
文件頁(yè)數(shù)： 1/16頁(yè)
文件大?。?/td> 529K
代理商： SN74HCT244DB
SN54HCT244, SN74HCT244
OCTAL BUFFERS AND LINE DRIVERS
WITH 3-STATE OUTPUTS
SCLS175D – MARCH 1984 – REVISED AUGUST 2003
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Operating Voltage Range of 4.5 V to 5.5 V
High-Current Outputs Drive Up To 15
LSTTL Loads
Low Power Consumption, 80-
μ
A Max I
CC
Typical t
pd
= 13 ns
±
6-mA Output Drive at 5 V
Low Input Current of 1
μ
A Max
Inputs Are TTL-Voltage Compatible
3-State Outputs Drive Bus Lines or Buffer
Memory Address Registers
description/ordering information
These octal buffers and line drivers are designed
specifically to improve both the performance and
density of 3-state memory address drivers, clock
drivers,
and
bus-oriented
transmitters. The ’HCT244 devices are organized
as two 4-bit buffers/drivers with separate
output-enable (OE) inputs. When OE is low, the
device passes noninverted data from the A inputs
to the Y outputs. When OE is high, the outputs are
in the high-impedance state.
receivers
and
ORDERING INFORMATION
TA
PACKAGE
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
–40 C to 85 C
PDIP – N
Tube of 20
SN74HCT244N
SN74HCT244N
SOIC – DW
Tube of 25
SN74HCT244DW
HCT244
Reel of 2000
SN74HCT244DWR
SOP – NS
Reel of 2000
SN74HCT244NSR
HCT244
SSOP – DB
Reel of 2000
SN74HCT244DBR
HT244
TSSOP – PW
Tube of 70
SN74HCT244PW
HT244
Reel of 2000
SN74HCT244PWR
Reel of 250
SN74HCT244PWT
–55 C to 125 C
CDIP – J
Tube of 20
SNJ54HCT244J
SNJ54HCT244J
CFP – W
Tube of 85
SNJ54HCT244W
SNJ54HCT244W
LCCC – FK
Tube of 55
SNJ54HCT244FK
SNJ54HCT244FK
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
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
V
CC
2OE
1Y1
2A4
1Y2
2A3
1Y3
2A2
1Y4
2A1
SN54HCT244 . . . J OR W PACKAGE
SN74HCT244 . . . DB, 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
1Y1
2A4
1Y2
2A3
1Y3
1A2
2Y3
1A3
2Y2
1A4
SN54HCT244 . . . FK PACKAGE
(TOP VIEW)
2
1
1
1
2
2
2
G
2
V
C
Copyright
2003, Texas Instruments Incorporated
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.
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.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
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參數(shù)描述
SN74HCT244DBR 功能描述:緩沖器和線路驅(qū)動(dòng)器 Tri-State Octal RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)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(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
SN74HCT244DBRE4 功能描述:緩沖器和線路驅(qū)動(dòng)器 Octal Buff/Line Drvr W/3-State Otpt RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)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(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
SN74HCT244DBRG4 功能描述:緩沖器和線路驅(qū)動(dòng)器 Octal Buffers And Line Drivers RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)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(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
SN74HCT244DW 功能描述:緩沖器和線路驅(qū)動(dòng)器 Tri-State Octal RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)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(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
SN74HCT244DW 制造商:Texas Instruments 功能描述:IC BUFFERS/DRIVERS/RECEIVERS LOGIC LOGI
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