HD74HC444T [RENESAS]

HC/UH SERIES, 4-BIT EXCHANGER, TRUE OUTPUT, PDSO20, TSOP-20;
HD74HC444T
型号: HD74HC444T
厂家: RENESAS TECHNOLOGY CORP    RENESAS TECHNOLOGY CORP
描述:

HC/UH SERIES, 4-BIT EXCHANGER, TRUE OUTPUT, PDSO20, TSOP-20

总线收发器
文件: 总8页 (文件大小:190K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
HD74HC442, HD74HC443, HD74HC444  
Quad. Tridirectional Bus Transceiver  
(with noninverted 3-state outputs)  
Quad. Tridirectional Bus Transceiver  
(with inverted 3-state outputs)  
Quad Tridirectional Bus Transceiver  
(with noninverted/inverted 3-state outputs)  
REJ03D0627-0200  
(Previous ADE-205-506)  
Rev.2.00  
Mar 30, 2006  
Description  
These bus transceivers are designed for a synchronous three-way communicatieen four-line data buses. They  
give the designer a choice of selecting inverting, noninverting or a combinag and noninverting data paths  
with 3-state outputs.  
The S0 and S1 inputs select the bus from which data are to be transthe bus or buses to which  
data are to be transferred. The port for any bus selected for inpbled for output will be at  
high impedance.  
Features  
High Speed Operation  
High Output Current: Fanout of 15
Wide Operating Voltage: VCC =
Low Input Current: 1 µA ma
Low Quiescent Supply Cax (Ta = 25°C)  
Ordering Information  
ackage Code  
(Previous Code)  
Package  
Abbreviation  
Taping Abbreviation  
(Quantity)  
Part Name  
P
HD74HC442RPEL  
PRSP0020DC-A  
(FP-20DBV)  
HD74HC443RPEL SOP-20 pin (JC)  
HD74HC444RPEL  
RP  
EL (1,000 pcs/reel)  
Rev.2.00 Mar 30, 2006 page 1 of 7  
HD74HC442, HD74HC443, HD74HC444  
Function Table  
Inputs  
Transfers Between Buses  
HD74HC443  
None  
CS  
H
X
X
X
X
X
L
S1  
X
H
X
L
S0  
X
H
X
L
GA  
X
X
H
X
H
H
X
L
GB  
X
X
H
H
X
H
L
GC  
X
X
H
H
H
X
L
HD74HC442  
None  
HD74HC444  
None  
None  
None  
None  
None  
None  
None  
None  
None  
None  
L
H
L
None  
None  
None  
H
L
None  
None  
None  
L
A B, A C  
B C, B A  
C A, C B  
A B  
A B, A C  
B C, B A  
C A, C B  
A B  
A B, A C  
B C, B A  
C A, C B  
A B  
L
L
H
L
X
L
L
L
H
L
L
X
H
L
L
L
X
H
L
L
L
L
H
L
X
H
H
X
L
B C  
B C  
C A  
A C  
B A  
B C  
L
H
L
X
L
C A  
C A  
A C  
L
L
X
L
A C  
L
L
H
L
H
X
B A  
B A  
C B  
L
H
H
C B  
B  
H : high level  
L
:
:
low level  
irrelevant  
X
Pin Arrangement  
1
CS  
VCC  
B
1
19 GC  
18  
GB  
3
17 GA  
16 A  
1
2
3
4
1
0
A
A
15  
14  
7
C
4
4
8
13 A  
B
S
9
12  
GND  
10  
11 S  
(Top view)  
Rev.2.00 Mar 30, 2006 page 2 of 7  
HD74HC442, HD74HC443, HD74HC444  
Logic Diagram  
HD74HC442  
S0  
S1  
G
A
GB  
GC CS  
A1  
B1  
C1  
A2  
B2  
C2  
A3  
B3  
C3  
A
B
C
4
4
4
Rev.2.00 Mar 30, 2006 page 3 of 7  
HD74HC442, HD74HC443, HD74HC444  
HD74HC443  
S0  
S1  
G
A
GB  
GC CS  
A1  
B1  
C1  
A2  
B2  
C2  
A3  
B3  
C3  
A
B
C
4
4
4
Rev.2.00 Mar 30, 2006 page 4 of 7  
HD74HC442, HD74HC443, HD74HC444  
HD74HC444  
S0  
S1  
G
A
GB  
GC CS  
A1  
B1  
C1  
A2  
B2  
C2  
A3  
B3  
C3  
A
B
C
4
4
4
Rev.2.00 Mar 30, 2006 page 5 of 7  
HD74HC442, HD74HC443, HD74HC444  
Absolute Maximum Ratings  
Item  
Supply voltage range  
Input / Output voltage  
Input / Output diode current  
Output current  
Symbol  
VCC  
Ratings  
–0.5 to 7.0  
–0.5 to VCC +0.5  
±20  
Unit  
V
VIN, VOUT  
IIK, IOK  
IO  
V
mA  
mA  
mA  
mW  
°C  
±35  
VCC, GND current  
ICC or IGND  
PT  
±75  
Power dissipation  
500  
Storage temperature  
Tstg  
–65 to +150  
Note: The absolute maximum ratings are values, which must not individually be exceeded, and furthermore, no two of  
which may be realized at the same time.  
Recommended Operating Conditions  
Item  
Supply voltage  
Symbol  
VCC  
Ratings  
2 to 6  
Unit  
V
Conditions  
Input / Output voltage  
Operating temperature  
VIN, VOUT  
Ta  
0 to VCC  
–40 to 85  
0 to 1000  
0 to 500  
0 to 400  
V
VCC = 2.0 V  
CC = 4.5 V  
Input rise / fall time*1  
tr, tf  
= 6.0 V  
Note: 1. This item guarantees maximum limit when one input s
Waveform: Refer to test circuit of switching charac
Electrical Characteristics  
Ta =
°C  
Item  
Symbol VCC (V)  
VIH  
Unit  
Test Conditions  
Min  
1
5  
4.2  
Max  
Input voltage  
2.0  
4.5  
6.0  
4.5  
6.0  
2.0  
4.5  
6.0  
4.5  
6.0  
6.0  
V
VIL  
35  
1.8  
0.5  
1.35  
1.8  
V
V
Output voltage  
VO
4.18  
5.68  
0  
4.5  
6.0  
1.9  
4.4  
5.9  
4.13  
5.63  
Vin = VIH or VIL IOH = –20 µA  
IOH = –6 mA  
IOH = –7.8 mA  
VOL  
0.0  
0.0  
0.0  
0.1  
0.1  
0.1  
0.26  
0.26  
±0.5  
0.1  
0.1  
0.1  
0.33  
0.33  
±5.0  
V
Vin = VIH or VIL IOL = 20 µA  
IOL = 6 mA  
IOL = 7.8 mA  
Off-state output  
current  
IOZ  
µA Vin = VIH or VIL,  
Vout = VCC or GND  
Input current  
Iin  
6.0  
6.0  
±0.1  
±1.0  
µA Vin = VCC or GND  
Quiescent supply  
current  
ICC  
4.0  
40  
µA Vin = VCC or GND, Iout = 0 µA  
Rev.2.00 Mar 30, 2006 page 6 of 7  
HD74HC442, HD74HC443, HD74HC444  
Switching Characteristics (CL = 50 pF, Input tr = tf = 6 ns)  
Ta = 25°C  
Typ Max  
Ta = –40 to +85°C  
Item  
Propagation delay  
time  
Symbol VCC (V)  
Unit  
Test Conditions  
Min  
Min  
Max  
250  
50  
tPLH  
tPHL  
2.0  
4.5  
6.0  
2.0  
4.5  
6.0  
2.0  
4.5  
6.0  
2.0  
4.5  
6.0  
5
200  
40  
ns  
34  
43  
Output enable  
time  
tZH  
tZL  
150  
30  
190  
38  
ns  
ns  
ns  
pF  
26  
33  
Output disable  
time  
tHZ  
tLZ  
150  
30  
190  
38  
26  
33  
Output rise/fall  
time  
tTLH  
tTHL  
60  
75  
12  
15  
10  
13  
Input capacitance  
Cin  
10  
10  
Package Dimensions  
JEITA Package Code  
RENESAS Code  
PRSP0020DC-A  
Previous Code  
FP-20DBV  
MASS[Typ.]  
0.52g  
P-SOP20-7.5x12.8-1.27  
*1  
D
NOTE)  
20  
11  
1. DIMENSIONS"*1 (Nom)"AND"*2"  
@ DO NOT INCLUDE MOLD FLASH.  
2. DIMENSION"*3"DOES NOT  
@ INCLUDE TRIM OFFSET.  
bp  
Index mark  
Terminal cross section  
( Ni/Pd/Au plating )  
Dimension in Millimeters  
Reference  
Symbol  
Min Nom Max  
1
D
E
12.80 13.2  
7.50  
Z
M
L1  
A2  
A1  
A
bp  
b1  
c
0.10 0.20 0.30  
2.65  
0.34 0.40 0.46  
0.20 0.25 0.30  
c1  
θ
0° 8°  
10.00 10.40 10.65  
L
y
HE  
e
x
1.27  
0.12  
0.15  
Detail F  
y
Z
L
L1  
0.935  
0.40 0.70 1.27  
1.45  
Rev.2.00 Mar 30, 2006 page 7 of 7  
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