74LCX573(1999) View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
74LCX573
(Rev.:1999)
(Rev.:1999)
STMicroelectronics
74LCX573 Datasheet PDF : 10 Pages
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74LCX573
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, RL = 500 Ω, Input tr = tf = 2.5 ns)
Symb ol
Parameter
Test Condition
VCC
W av ef o rm
(V)
Value
-40 to 85 oC
Min. Max.
Un it
tPLH Propagation Delay Time Dn to Qn
tPHL
2.7
3.0 to 3.6
3
1.5 9.0
ns
1.5 8.0
tPLH Propagation Delay Time LE to Qn
tPHL
2.7
3.0 to 3.6
1
1.5 9.5
ns
1.5 8.5
tPZL Output Enable Time to HIGH and LOW
tPZH level
2.7
3.0 to 3.6
2
1.5 9.5
ns
1.5 8.5
tPLZ Output Disable Time from HIGH and
tPHZ LOW level
2.7
3.0 to 3.6
2
1.5 8.5
ns
1.5 7.5
ts Setup Time, HIGh or LOW level Dn to
LE
2.7
3.0 to 3.6
1
2.5
ns
2.5
th Hold Time, HIGh or LOW level Dn to LE
2.7
3.0 to 3.6
1
1.5
ns
1.5
tw LE Pulse Width, HIGH
2.7
3.0 to 3.6
1
3.3
ns
3.3
tOSLH Output to Output Skew Time (note 1, 2)
3.0 to 3.6
1.0 ns
tOSHL
1) Skew is defined as the absolute value of the difference between the actual propagation delay for any twooutputs of the same device switching in the
same direction, either HIGH or LOW (tOSLH = |tPLHm - tPLHn|, tOSHL = |tPHLm - tpHLn|)
2) Parameter guaranteed by design
CAPACITIVE CHARACTERISTICS
Symb ol
Parameter
Test Co nditi ons
VCC
(V)
Valu e
TA = 25 oC
Min. T yp. Max.
Unit
CIN Input Capacitance
3.3
VIN = 0 to VCC
6
pF
Ci/o I/O Capacitance
3.3
VIN = 0 to VCC
12
pF
CPD Power Dissipation Capacitance (note 1) 3.3
fIN = 10MHz
25
pF
VIN = 0 or VCC
1) CPD isdefined as the value of the IC’sinternal equivalent capacitance which is calculated fromthe operating current consumption without load. Average
operting current can be obtained by the following equation. ICC(opr) = CPD • VCC • fIN + ICC/8 (per Latch)
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