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PDF 74LVC373A Data sheet ( Hoja de datos )
| Número de pieza | 74LVC373A | |
| Descripción | Low-Voltage CMOS Octal Transparent Latch | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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74LVC373A
Low-Voltage CMOS Octal
Transparent Latch
With 5 V−Tolerant Inputs and Outputs
(3−State, Non−Inverting)
The 74LVC373A is a high performance, non−inverting octal
transparent latch operating from a 1.2 to 3.6 V supply. High impedance
TTL compatible inputs significantly reduce current loading to input
drivers while TTL compatible outputs offer improved switching noise
performance. A VI specification of 5.5 V allows 74LVC373A inputs
to be safely driven from 5 V devices.
The 74LVC373A contains 8 D−type latches with 3−state outputs.
When the Latch Enable (LE) input is HIGH, data on the Dn inputs
enters the latches. In this condition, the latches are transparent, i.e., a
latch output will change state each time its D input changes. When LE
is LOW, the latches store the information that was present on the D
inputs a setup time preceding the HIGH−to−LOW transition of LE.
The 3−state standard outputs are controlled by the Output Enable (OE)
input. When OE is LOW, the standard outputs are enabled. When OE
is HIGH, the standard outputs are in the high impedance state, but this
does not interfere with new data entering into the latches.
Features
• Designed for 1.2 to 3.6 V VCC Operation
• 5 V Tolerant − Interface Capability With 5 V TTL Logic
• Supports Live Insertion and Withdrawal
• IOFF Specification Guarantees High Impedance When VCC = 0 V
• 24 mA Output Sink and Source Capability
• Near Zero Static Supply Current in all Three Logic States (10 mA)
Substantially Reduces System Power Requirements
• ESD Performance:
♦ Human Body Model >2000 V
♦ Machine Model >200 V
• These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS
Compliant
www.onsemi.com
20
1
MARKING
DIAGRAM
20
TSSOP−20
DT SUFFIX
CASE 948E
1
LCX
373A
ALYWG
G
A = Assembly Location
L, WL = Wafer Lot
Y, YY = Year
W, WW = Work Week
G or G = Pb−Free Package
(Note: Microdot may be in either location)
ORDERING INFORMATION
See detailed ordering and shipping information on page 8 of
this data sheet.
© Semiconductor Components Industries, LLC, 2015
September, 2015 − Rev. 1
1
Publication Order Number:
74LVC373A/D
1 page  
74LVC373A
AC ELECTRICAL CHARACTERISTICS (tR = tF = 2.5 ns)
−40 to +855C
−40 to +1255C
Symbol
Parameter
Conditions
Typ
Min (Note 4) Max
Typ
Min (Note 4) Max
Unit
tpd Propagation Delay (Note 5)
Dn to On
tpd Propagation Delay
LE to On
VCC = 1.2 V
VCC = 1.65 V to 1.95 V
VCC = 2.3 V to 2.7 V
VCC = 2.7 V
VCC = 3.0 V to 3.6 V
VCC = 1.2 V
VCC = 1.65 V to 1.95 V
VCC = 2.3 V to 2.7 V
VCC = 2.7 V
VCC = 3.0 V to 3.6 V
−
1.5
1.0
1.5
1.5
−
2.2
1.5
1.5
1.5
14.0 −
6.5 15.8
3.4 8.2
3.4 7.8
2.9 6.8
16.0 −
7.3 16.8
3.9 8.6
3.5 8.2
3.3 7.2
−
1.5
1.0
1.5
1.5
−
2.2
1.5
1.5
1.5
−−
− 18.2
− 9.4 ns
− 10.0
− 8.5
−−
− 19.3
− 10.0 ns
− 10.5
− 9.0
ten Enable Time (Note 6)
OE to On
tdis Disable Time (Note 7)
OE to On
tw Pulse Width
LE HIGH
tsu Set−up Time
On to LE
th Hold Time
On to LE
VCC = 1.2 V
VCC = 1.65 V to 1.95 V
VCC = 2.3 V to 2.7 V
VCC = 2.7 V
VCC = 3.0 V to 3.6 V
VCC = 1.2 V
VCC = 1.65 V to 1.95 V
VCC = 2.3 V to 2.7 V
VCC = 2.7 V
VCC = 3.0 V to 3.6 V
VCC = 1.65 V to 1.95 V
VCC = 2.3 V to 2.7 V
VCC = 2.7 V
VCC = 3.0 V to 3.6 V
VCC = 1.65 V to 1.95 V
VCC = 2.3 V to 2.7 V
VCC = 2.7 V
VCC = 3.0 V to 3.6 V
VCC = 1.65 V to 1.95 V
VCC = 2.3 V to 2.7 V
VCC = 2.7 V
VCC = 3.0 V to 3.6 V
−
1.5
1.5
1.5
1.5
−
1.5
1.0
1.5
1.5
5.0
4.0
3.0
3.0
4.0
3.0
2.0
2.0
3.0
2.0
1.5
1.5
17.0 −
6.8 17.6
3.8 9.7
3.8 8.7
3.1 7.7
8.0 −
4.3 10.3
2.4 5.8
3.2 7.1
3.0 6.1
−−
−−
−−
1.5 −
−−
−−
−−
0.0 −
−−
−−
−−
0.3 −
−
1.5
1.5
1.5
1.5
−
1.5
1.0
1.5
1.5
5.0
4.0
3.0
3.0
4.0
3.0
2.0
2.0
3.0
2.0
1.5
1.5
−−
− 20.3
− 11.2 ns
− 11.0
− 10.0
−−
− 11.9
− 6.8 ns
− 9.0
− 8.0
− − ns
−−
− − ns
−−
−−
−−
ns
−−
−−
−−
−−
ns
−−
−−
tsk(0) Output Skew Time (Note 8)
− − 1.0 − − 1.5 ns
Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product
performance may not be indicated by the Electrical Characteristics if operated under different conditions.
4. Typical values are measured at TA = 25°C and VCC = 3.3 V, unless stated otherwise.
5. tpd is the same as tPLH and tPHL.
6. ten is the same as tPZL and tPZH.
7. tdis is the same as tPLZ and tPHZ.
8. Skew between any two outputs of the same package switching in the same direction. This parameter is guaranteed by design.
www.onsemi.com
5
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