參數(shù)資料
型號: M74HC245TTR
廠商: STMICROELECTRONICS
元件分類: 總線收發(fā)器
英文描述: HC/UH SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20
封裝: TSSOP-20
文件頁數(shù): 3/10頁
文件大?。?/td> 261K
代理商: M74HC245TTR
M74HC245
2/10
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
TRUTH TABLE
X : Don’t Care
Z : High Impedance
ABSOLUTE MAXIMUM RATINGS
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is
not implied
(*) 500mW at 65
°C; derate to 300mW by 10mW/°C from 65°C to 85°C
RECOMMENDED OPERATING CONDITIONS
PIN No
SYMBOL
NAME AND FUNCTION
1
DIR
Directional Control
2, 3, 4, 5, 6,
7, 8, 9
A1 to A8
Data Inputs/Outputs
18, 17, 16,
15, 14, 13,
12, 11
B1 to B8
Data Inputs/Outputs
19
G
Output Enable Input
10
GND
Ground (0V)
20
VCC
Positive Supply Voltage
INPUTS
FUNCTION
OUTPUT
G
DIR
A BUS
B BUS
Yn
L
OUTPUT
INPUT
A = B
L
H
INPUT
OUTPUT
B = A
HX
Z
Symbol
Parameter
Value
Unit
VCC
Supply Voltage
-0.5 to +7
V
VI
DC Input Voltage
-0.5 to VCC + 0.5
V
VO
DC Output Voltage
-0.5 to VCC + 0.5
V
IIK
DC Input Diode Current
± 20
mA
IOK
DC Output Diode Current
± 20
mA
IO
DC Output Current
± 35
mA
ICC or IGND DC VCC or Ground Current
± 70
mA
PD
Power Dissipation
500(*)
mW
Tstg
Storage Temperature
-65 to +150
°C
TL
Lead Temperature (10 sec)
300
°C
Symbol
Parameter
Value
Unit
VCC
Supply Voltage
2 to 6
V
VI
Input Voltage
0 to VCC
V
VO
Output Voltage
0 to VCC
V
Top
Operating Temperature
-55 to 125
°C
tr, tf
Input Rise and Fall Time
VCC = 2.0V
0 to 1000
ns
VCC = 4.5V
0 to 500
ns
VCC = 6.0V
0 to 400
ns
相關(guān)PDF資料
PDF描述
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