參數(shù)資料
型號(hào): SN74HCT645N
廠商: TEXAS INSTRUMENTS INC
元件分類: 總線收發(fā)器
英文描述: HCT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDIP20
封裝: ROHS COMPLIANT, PLASTIC, DIP-20
文件頁(yè)數(shù): 1/14頁(yè)
文件大?。?/td> 506K
代理商: SN74HCT645N
SN54HCT645, SN74HCT645
OCTAL BUS TRANSCEIVERS
WITH 3STATE OUTPUTS
SCLS019D MARCH 1984 REVISED AUGUST 2003
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Operating Voltage Range of 4.5 V to 5.5 V
D High-Current 3-State Outputs Can Drive Up
To 15 LSTTL Loads
D Low Power Consumption, 80-A Max ICC
D Typical tpd = 14 ns
D ±6-mA Output Drive at 5 V
D Low Input Current of 1 A Max
D Inputs Are TTL-Voltage Compatible
D True Logic
SN54HCT645 ...J OR W PACKAGE
SN74HCT645 ...DW, N, NS, OR PW PACKAGE
(TOP VIEW)
SN54HCT645 . . . FK PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
DIR
A1
A2
A3
A4
A5
A6
A7
A8
GND
VCC
OE
B1
B2
B3
B4
B5
B6
B7
B8
32
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
description/ordering information
These octal bus transceivers are designed for asynchronous two-way communication between data buses.
These devices transmit data from the A bus to the B bus or from the B bus to the A bus, depending upon the
level at the direction-control (DIR) input. The output-enable (OE) input can be used to disable the device so the
buses are effectively isolated.
ORDERING INFORMATION
TA
PACKAGE
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
PDIP N
Tube of 20
SN74HCT645N
SOIC DW
Tube of 25
SN74HCT645DW
HCT645
SOIC DW
Reel of 2000
SN74HCT645DWR
HCT645
40
°C to 85°C
SOP NS
Reel of 2000
SN74HCT645NSR
HCT645
40 C to 85 C
Tube of 70
SN74HCT645PW
TSSOP PW
Reel of 2000
SN74HCT645PWR
HT645
TSSOP PW
Reel of 250
SN74HCT645PWT
HT645
CDIP J
Tube of 20
SNJ54HCT645J
55
°C to 125°C
CFP W
Tube of 85
SNJ54HCT645W
55 C to 125 C
LCCC FK
Tube of 55
SNJ54HCT645FK
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
UNLESS OTHERWISE NOTED this document contains PRODUCTION
DATA information 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.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SN74HCT645N 制造商:Texas Instruments 功能描述:Counter IC 制造商:Texas Instruments 功能描述:IC, NON INVERTING BUS TRANSCEIVER DIP-20
SN74HCT645NE4 功能描述:總線收發(fā)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(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(shí)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
SN74HCT645NSR 功能描述:總線收發(fā)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(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(shí)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
SN74HCT645NSRE4 功能描述:總線收發(fā)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(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(shí)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
SN74HCT645NSRG4 功能描述:總線收發(fā)器 Octal Bus Transceivr 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(shí)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