參數(shù)資料
型號(hào): SN74AHCT245PWG4
廠商: Texas Instruments
文件頁數(shù): 12/27頁
文件大小: 0K
描述: IC BUS TRANSCEIVER 8BIT 20TSSOP
標(biāo)準(zhǔn)包裝: 70
系列: 74AHCT
邏輯類型: 收發(fā)器,非反相
元件數(shù): 1
每個(gè)元件的位元數(shù): 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-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 20-TSSOP
包裝: 管件
DIR
OE
A1
B1
To Seven Other Channels
1
2
19
18
SCLS233O – OCTOBER 1995 – REVISED AUGUST 2013
FUNCTION TABLE
(EACH TRANSCEIVER)
INPUTS
OPERATION
OE
DIR
L
B data to A bus
L
H
A data to B bus
H
X
Isolation
LOGIC DIAGRAM (POSITIVE LOGIC)
ABSOLUTE MAXIMUM RATINGS
over operating free-air temperature range (unless otherwise noted)
(1)
VALUE
UNIT
Supply voltage range, VCC
–0.5 to 7
V
Input voltage range, VI
(2)
–0.5 to 7
V
Output voltage range, VO
(2)
–0.5 to VCC + 0.5
V
Input clamp current, IIK (VI < 0)
–20
mA
Output clamp current, IOK (VO < 0 or VO > VCC)
±20
mA
Continuous output current, IO (VO = 0 to VCC)
±25
mA
Continuous current through VCC or GND
±75
mA
DB package(3)
70
DGV package(3)
92
DW package(3)
58
Package thermal impedance,
θJA
N package(3)
69
°C/W
NS package(3)
60
PW package(3)
83
RGY package(4)
37
Storage temperature range, Tstg
–65 to 150
°C
(1)
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating
conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2)
The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
(3)
The package thermal impedance is calculated in accordance with JESD 51-7.
(4)
The package thermal impedance is calculated in accordance with JESD 51-5
2
Copyright 1995–2013, Texas Instruments Incorporated
Product Folder Links: SN74AHCT245 SN54AHCT245
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