參數(shù)資料
型號(hào): M74HC540B1R
廠(chǎng)商: STMICROELECTRONICS
元件分類(lèi): 總線(xiàn)收發(fā)器
英文描述: HC/UH SERIES, 8-BIT DRIVER, INVERTED OUTPUT, PDIP20
封裝: PLASTIC, DIP-20
文件頁(yè)數(shù): 3/10頁(yè)
文件大?。?/td> 252K
代理商: M74HC540B1R
M74HC540
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
PIN No
SYMBOL
NAME AND FUNCTION
1, 19
G1, G2
Output Enable Inputs
2, 3, 4, 5, 6,
7, 8, 9
A1 to A8
Data Inputs
18, 17, 16,
15, 14, 13,
12, 11
Y1 to Y8
Bus Outputs
10
GND
Ground (0V)
20
VCC
Positive Supply Voltage
INPUT
OUTPUT
G1
G2
An
Yn
H
XXZ
XHX
Z
LL
H
L
LLL
H
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
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