74LCX373 Datasheet, PDF (5/10 Pages) Fairchild Semiconductor – Low Voltage Octal Transparent Latch with 5V Tolerant Inputs and Outputs

74LCX373
AC ELECTRICAL CHARACTERISTICS
Test Condition
Value
Symbol
Parameter
V_CC
C_L R_L t_s = t_r ^{-40 to 85 °C}
-55 to 125 °C Unit
(V)
(pF) (Ω) (ns) _{Min. Max. Min. Max.}
t_PLH t_PHL Propagation Delay
Time (Dn to Qn)
2.7
3.0 to 3.6
50 500 2.5
1.5
1.5
9.0
8.0
1.5
1.5
9.0
8.0
ns
t_PLH t_PHL Propagation Delay
Time (LE to Qn)
2.7
3.0 to 3.6
50 500 2.5
1.5
1.5
9.5
8.5
1.5
1.5
9.5
8.5
ns
t_PZL t_PZH Output Enable Time
2.7
1.5
9.5
1.5
9.5
to HIGH and LOW
50 500 2.5
ns
level
3.0 to 3.6
1.5
8.5
1.5
8.5
t_PLZ t_PHZ Output Disable Time
2.7
1.5
8.5
1.5
8.5
from HIGH to LOW
50 500 2.5
ns
level
3.0 to 3.6
1.5
7.5
1.5
7.5
t_S
Set-Up Time, HIGH
2.7
2.5
2.5
or LOW level
50 500 2.5
ns
(Dn to LE)
3.0 to 3.6
2.5
2.5
t_h
Hold Time, HIGH or
2.7
1.5
1.5
LOW level
50 500 2.5
ns
(Dn to LE)
3.0 to 3.6
1.5
1.5
t_W
LE Pulse Width,
HIGH
2.7
3.3
50 500 2.5
3.0 to 3.6
3.3
3.3
3.3
ns
t_OSLH Output To Output
3.0 to 3.6 50 500 2.5
1.0
t_OSHL
Skew Time (note1,
2)
1.0
ns
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_OSLH = | t_PLHm - t_PLHn|, t_OSHL = | t_PHLm - t_PHLn|)
2) Parameter guaranteed by design
CAPACITIVE CHARACTERISTICS
Test Condition
Value
Symbol
Parameter
V_CC
(V)
T_A = 25 °C
Unit
Min. Typ. Max.
C_IN
Input Capacitance
3.3
V_IN = 0 to V_CC
6
pF
C_OUT Output Capacitance
3.3
V_IN = 0 to V_CC
12
pF
C_PD Power Dissipation Capacitance
3.3
(note 1)
f_IN = 10MHz
V_IN = 0 or V_CC
50
pF
1) C_PD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. I_CC(opr) = C_PD x V_CC x f_IN + I_CC/8 (per latch)
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