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74LVC573AM [ETC]

LATCH|SINGLE|8-BIT|LVC-CMOS|SOP|20PIN|PLASTIC ;
74LVC573AM
型号： 74LVC573AM
厂家： ETC    ETC
描述：

LATCH|SINGLE|8-BIT|LVC-CMOS|SOP|20PIN|PLASTIC

逻辑集成电路 光电二极管 驱动
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74LVC573A  
OCTAL D-TYPE LATCH  
HIGH PERFORMANCE  
■
■
■
5V TOLERANT INPUTS  
HIGH SPEED: t = 6.8ns (MAX.) at V = 3V  
POWER DOWN PROTECTION ON INPUTS  
AND OUTPUTS  
PD  
CC  
■
SYMMETRICAL OUTPUT IMPEDANCE:  
|I | = I = 24mA (MIN) at V = 3V  
PCI BUS LEVELS GUARANTEED AT 24 mA  
OH  
OL  
CC  
SOP  
TSSOP  
■
■
BALANCED PROPAGATION DELAYS:  
t
t
PHL  
PLH  
ORDER CODES  
PACKAGE  
■
OPERATING VOLTAGE RANGE:  
(OPR) = 1.65V to 3.6V (1.2V Data  
Retention)  
PIN AND FUNCTION COMPATIBLE WITH  
74 SERIES 573  
LATCH-UP PERFORMANCE EXCEEDS  
500mA (JESD 17)  
ESD PERFORMANCE:  
HBM > 2000V (MIL STD 883 method 3015);  
MM > 200V  
V
CC  
TUBE  
T & R  
SOP  
74LVC573AM  
74LVC573AMTR  
74LVC573ATTR  
■
■
■
TSSOP  
outputs will follow the data input precisely or  
inversely. When the LE is taken low, the Q outputs  
will be latched precisely or inversely at the logic  
level of D input data. While the (OE) input is low,  
the 8 outputs will be in a normal logic state (high or  
low logic level) and while high level the outputs will  
be in a high impedance state.  
This device is designed to interface directly High  
Speed CMOS systems with TTL and NMOS  
components. It has more speed performance at  
3.3V than 5V AC/ACT family, combined with a  
lower power consumption.  
DESCRIPTION  
The 74LVC573A is a low voltage CMOS OCTAL  
D-TYPE LATCH fabricated with sub-micron silicon  
gate and double-layer metal wiring C MOS  
technology. It is ideal for 1.65 to 3.6 V  
operations and low power and low noise  
applications.  
These 8 bit D-Type latch are controlled by a latch  
enable input (LE) and an output enable input (OE).  
While the LE inputs is held at a high level, the Q  
2
CC  
All inputs are equipped with protection circuits  
against static discharge, giving them 2KV ESD  
immunity and transient excess voltage.  
PIN CONNECTION AND IEC LOGIC SYMBOLS  
February 2002  
1/10  
74LVC573A  
INPUT AND OUTPUT EQUIVALENT CIRCUIT  
PIN DESCRIPTION  
TRUTH TABLE  
PIN No  
SYMBOL  
NAME AND FUNCTION  
INPUTS  
OUTPUT  
1
OE  
3 State Output Enable  
Input (Active LOW)  
OE  
LE  
D
Q
H
X
X
Z
2, 3, 4, 5, 6,  
7, 8, 9  
D0 to D7  
Q0 to Q7  
Data Inputs  
NO  
CHANGE  
L
L
X
12, 13, 14,  
15, 16, 17,  
18, 19  
3-State Latch Outputs  
L
L
H
H
L
L
H
H
11  
10  
20  
LE  
Latch Enable Input  
Ground (0V)  
X : Don’t Care  
Z : High Impedance  
GND  
V
Positive Supply Voltage  
CC  
ABSOLUTE MAXIMUM RATINGS  
Symbol  
Parameter  
Value  
Unit  
V
Supply Voltage  
-0.5 to +7.0  
-0.5 to +7.0  
-0.5 to +7.0  
V
V
CC  
V
DC Input Voltage  
DC Output Voltage (V  
I
V
= 0V)  
CC  
V
O
O
V
I
DC Output Voltage (High or Low State) (note 1)  
DC Input Diode Current  
-0.5 to V  
+ 0.5  
CC  
V
- 50  
mA  
mA  
mA  
mA  
°C  
°C  
IK  
I
DC Output Diode Current (note 2)  
DC Output Current  
- 50  
± 50  
OK  
I
O
I
or I  
T
DC V  
or Ground Current per Supply Pin  
CC  
± 100  
CC  
GND  
Storage Temperature  
-65 to +150  
300  
stg  
T
Lead Temperature (10 sec)  
L
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is  
not implied  
1) I absolute maximum rating must be observed  
O
2) V < GND  
O
2/10  
74LVC573A  
RECOMMENDED OPERATING CONDITIONS  
Symbol  
Parameter  
Value  
Unit  
V
Supply Voltage (note 1)  
Input Voltage  
1.65 to 3.6  
0 to 5.5  
V
V
CC  
V
I
V
Output Voltage (V  
= 0V)  
CC  
0 to 5.5  
V
O
V
Output Voltage (High or Low State)  
0 to V  
V
O
CC  
I
I
I
I
, I  
High or Low Level Output Current (V = 3.0 to 3.6V)  
± 24  
± 12  
mA  
mA  
mA  
mA  
°C  
ns/V  
OH OL  
CC  
, I  
High or Low Level Output Current (V = 2.7 to 3.0V)  
OH OL  
CC  
, I  
High or Low Level Output Current (V = 2.3 to 2.7V)  
± 8  
OH OL  
CC  
, I  
High or Low Level Output Current (V = 1.65 to 2.3V)  
± 4  
OH OL  
CC  
T
Operating Temperature  
-55 to 125  
0 to 10  
op  
dt/dv  
Input Rise and Fall Time (note 2)  
1) Truth Table guaranteed: 1.2V to 3.6V  
2) V from 0.8V to 2V at V = 3.0V  
IN  
CC  
DC SPECIFICATIONS  
Test Condition  
Value  
Symbol  
Parameter  
-40 to 85 °C  
-55 to 125 °C  
Unit  
V
CC  
(V)  
Min.  
Max.  
Min.  
Max.  
V
High Level Input  
Voltage  
0.65V  
0.65V  
CC  
1.65 to 1.95  
2.3 to 2.7  
2.7 to 3.6  
1.65 to 1.95  
2.3 to 2.7  
2.7 to 3.6  
IH  
CC  
V
V
1.7  
2
1.7  
2
V
Low Level Input  
Voltage  
0.35V  
0.35V  
CC  
IL  
CC  
0.7  
0.8  
0.7  
0.8  
V
High Level Output  
Voltage  
I =-100 µA  
V
-0.2  
V
-0.2  
CC  
1.65 to 3.6  
1.65  
2.3  
OH  
O
CC  
I =-4 mA  
1.2  
1.7  
2.2  
2.4  
2.2  
1.2  
1.7  
2.2  
2.4  
2.2  
O
I =-8 mA  
O
V
I =-12 mA  
2.7  
O
I =-18 mA  
3.0  
O
I =-24 mA  
3.0  
O
V
Low Level Output  
Voltage  
I =100 µA  
1.65 to 3.6  
1.65  
2.3  
0.2  
0.2  
0.45  
0.7  
OL  
O
I =4 mA  
0.45  
0.7  
O
I =8 mA  
V
O
I =12 mA  
2.7  
0.4  
0.4  
O
I =24 mA  
3.0  
0.55  
0.55  
O
I
Input Leakage  
Current  
I
V = 0 to 5.5V  
3.6  
± 5  
± 5  
µA  
I
I
Power Off Leakage  
Current  
off  
V or V = 5.5V  
0
10  
10  
µA  
µA  
I
O
I
High Impedance  
Output Leakage  
Current  
3.6  
V = V orV  
± 5  
± 5  
OZ  
I
IH  
IL  
V
= 0 to 5.5V  
O
I
Quiescent Supply  
Current  
V = V or GND  
I CC  
10  
± 10  
500  
10  
CC  
3.6  
µA  
µA  
V or V = 3.6 to  
I
O
± 10  
500  
5.5V  
∆I  
I
incr. per Input  
V
= V -0.6V  
2.7 to 3.6  
CC  
CC  
IH  
CC  
3/10  
74LVC573A  
DYNAMIC SWITCHING CHARACTERISTICS  
Test Condition  
Value  
T = 25 °C  
Symbol  
Parameter  
Unit  
A
V
CC  
(V)  
Min.  
Typ.  
Max.  
V
Dynamic Low Level Quiet  
Output (note 1)  
0.8  
C = 50pF  
OLP  
L
3.3  
V
V
= 0V, V = 3.3V  
V
IL  
IH  
-0.8  
OLV  
1) Number of output defined as ”n”. Measured with ”n-1” outputs switching from HIGH to LOW or LOW to HIGH. The remaining output is  
measured in the LOW state.  
AC ELECTRICAL CHARACTERISTICS  
Test Condition  
Value  
-55 to 125 °C  
Symbol  
Parameter  
-40 to 85 °C  
Unit  
V
C
R
t = t  
CC  
L
L
s
r
(V)  
(pF)  
(Ω)  
(ns)  
Min.  
Max.  
Min.  
Max.  
t
t
Propagation Delay  
Time D to Q  
1.65 to 1.95  
2.3 to 2.7  
2.7  
30  
30  
50  
50  
30  
30  
50  
50  
30  
30  
50  
50  
30  
30  
50  
50  
30  
30  
50  
50  
30  
30  
50  
50  
30  
30  
50  
50  
1000  
500  
500  
500  
1000  
500  
500  
500  
1000  
500  
500  
500  
1000  
500  
500  
500  
1000  
500  
500  
500  
1000  
500  
500  
500  
1000  
500  
500  
500  
2.0  
2.0  
2.5  
2.5  
2.0  
2.0  
2.5  
2.5  
2.0  
2.0  
2.5  
2.5  
2.0  
2.0  
2.5  
2.5  
2.0  
2.0  
2.5  
2.5  
2.0  
2.0  
2.5  
2.5  
2.0  
2.0  
2.5  
2.5  
TBD  
TBD  
7.8  
TBD  
TBD  
9.4  
PLH PHL  
ns  
ns  
ns  
ns  
ns  
ns  
1.5  
1
1.5  
1
3.0 to 3.6  
1.65 to 1.95  
2.3 to 2.7  
2.7  
6.8  
8.2  
t
t
Propagation Delay  
Time LE to Q  
TBD  
TBD  
7.8  
TBD  
TBD  
9.4  
PLH PHL  
1.5  
1
1.5  
1
3.0 to 3.6  
6.8  
8.2  
t
t
t
Output Enable Time 1.65 to 1.95  
TBD  
TBD  
8.7  
TBD  
TBD  
10.4  
9.2  
PZL PZH  
2.3 to 2.7  
2.7  
1
1
1
1
3.0 to 3.6  
7.7  
t
Output Disable Time 1.65 to 1.95  
TBD  
TBD  
7.6  
TBD  
TBD  
9.1  
PLZ PHZ  
2.3 to 2.7  
2.7  
2
2
3.0 to 3.6  
2
7.0  
2
8.4  
t
LE Pulse Width  
HIGH  
1.65 to 1.95  
2.3 to 2.7  
2.7  
TBD  
TBD  
3.3  
3.3  
TBD  
TBD  
2
TBD  
TBD  
3.3  
3.3  
TDB  
TBD  
2
W
3.0 to 3.6  
t
Setup Time D to LE, 1.65 to 1.95  
(HIGH to LOW)  
s
2.3 to 2.7  
2.7  
3.0 to 3.6  
2
2
t
Hold Time LE (HIGH 1.65 to 1.95  
to LOW) to D  
TBD  
TBD  
1.5  
1.5  
TBD  
TBD  
1.5  
1.5  
h
2.3 to 2.7  
ns  
ns  
2.7  
3.0 to 3.6  
t
Output To Output  
Skew Time (note1,  
2)  
2.7 to 3.6  
1
1
OSLH  
t
OSHL  
1) Skew is defined as the absolute value of the difference between the actual propagation delay for any two outputs of the same device switch-  
ing in the same direction, either HIGH or LOW (t  
2) Parameter guaranteed by design  
= | t  
- t  
|, t  
= | t  
- t  
|
OSLH  
PLHm PLHn OSHL  
PHLm PHLn  
4/10  
74LVC573A  
CAPACITIVE CHARACTERISTICS  
Test Condition  
Value  
T = 25 °C  
Symbol  
Parameter  
Unit  
A
V
CC  
(V)  
Min.  
Typ.  
Max.  
C
Input Capacitance  
4
pF  
IN  
C
Power Dissipation Capacitance  
(note 1)  
1.8  
2.5  
3.3  
f
= 10MHz  
28  
30  
34  
PD  
IN  
pF  
1) C is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without  
PD  
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. I  
= C xV x f +I /n (per circuit)  
CC(opr)  
PD CC IN CC  
TEST CIRCUIT  
R
= Z  
of pulse generator (typically 50Ω)  
T
OUT  
TEST CIRCUIT AND WAVEFORM SYMBOL VALUE  
V
CC  
Symbol  
1.65 to 1.95V  
30pF  
2.3 to 2.7V  
2.7V  
3.0 to 3.6V  
50pF  
500Ω  
7V  
C
30pF  
50pF  
500Ω  
6V  
L
R = R  
1000Ω  
500Ω  
L
1
V
2 x V  
2 x V  
CC  
S
CC  
V
V
V
CC  
2.7V  
1.5V  
3.0V  
3.0V  
IH  
CC  
V
V
/2  
V /2  
CC  
1.5V  
M
CC  
V
V
V
CC  
3.5V  
OH  
CC  
V
V
+ 0.15V  
- 0.15V  
V
+ 0.15V  
- 0.15V  
V
+ 0.3V  
V
OL  
+ 0.3V  
- 0.3V  
X
Y
OL  
OL  
OL  
V
V
V
V
- 0.3V  
V
OH  
OH  
OH  
OH  
t = t  
<2.0ns  
<2.0ns  
<2.5ns  
<2.5ns  
r
r
5/10  
74LVC573A  
WAVEFORM 1: PROPAGATION DELAY, SETUP AND HOLD TIMES (f=1MHz; 50% duty cycle)  
WAVEFORM 2: OUTPUT ENABLE AND DISABLE TIMES (f=1MHz; 50% duty cycle)  
6/10  
74LVC573A  
WAVEFORM 3: PROPAGATION DELAY TIME (f=1MHz; 50% duty cycle)  
7/10  
74LVC573A  
SO-20 MECHANICAL DATA  
mm.  
inch  
DIM.  
MIN.  
TYP  
MAX.  
2.65  
0.2  
MIN.  
TYP.  
MAX.  
0.104  
0.008  
0.096  
0.019  
0.012  
A
a1  
a2  
b
0.1  
0.004  
2.45  
0.49  
0.32  
0.35  
0.23  
0.014  
0.009  
b1  
C
0.5  
0.020  
c1  
D
45° (typ.)  
12.60  
10.00  
13.00  
10.65  
0.496  
0.393  
0.512  
0.419  
E
e
1.27  
0.050  
0.450  
e3  
F
11.43  
7.40  
0.50  
7.60  
1.27  
0.75  
0.291  
0.020  
0.300  
0.050  
0.029  
L
M
S
8° (max.)  
PO13L  
8/10  
74LVC573A  
TSSOP20 MECHANICAL DATA  
mm.  
inch  
DIM.  
MIN.  
TYP  
MAX.  
1.2  
MIN.  
TYP.  
MAX.  
0.047  
0.006  
0.041  
0.012  
0.0089  
0.260  
0.260  
0.176  
A
A1  
A2  
b
0.05  
0.8  
0.15  
1.05  
0.30  
0.20  
6.6  
0.002  
0.031  
0.007  
0.004  
0.252  
0.244  
0.169  
0.004  
0.039  
1
0.19  
0.09  
6.4  
c
D
6.5  
6.4  
0.256  
0.252  
E
6.2  
6.6  
E1  
e
4.3  
4.4  
4.48  
0.173  
0.65 BSC  
0.0256 BSC  
K
0°  
8°  
0°  
8°  
L
0.45  
0.60  
0.75  
0.018  
0.024  
0.030  
A2  
A
K
L
b
e
A1  
E
c
D
E1  
PIN 1 IDENTIFICATION  
1
0087225C  
9/10  
74LVC573A  
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the  
consequences of use ofsuch information nor for any infringement of patents or other rights of third parties which may result from  
its use. No license is granted by implication or otherwise under any patent orpatent rights of STMicroelectronics. Specifications  
mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information  
previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or  
systems without express written approval of STMicroelectronics.  
The ST logo is a registered trademark of STMicroelectronics  
2002 STMicroelectronics - Printed in Italy - All Rights Reserved  
STMicroelectronics GROUP OF COMPANIES  
Australia - Brazil - Canada - China - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco  
Singapore - Spain - Sweden - Switzerland - United Kingdom - United States.  
http://www.st.com  
10/10  

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