74ACT299M(1999) Ver la hoja de datos (PDF) - STMicroelectronics
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74ACT299M Datasheet PDF : 13 Pages
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74ACT299
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, RL = 500 Ω, Input tr = tf =3 ns)
Symb ol
Parameter
tPLH Propagation Delay Time
tPHL CLOCK to Q’A, Q’H
tPLH Propagation Delay Time
tPHL CLOCK to QA - QH
tPHL Propagation Delay Time
CLEAR to Q’A, Q’H
tPHL Propagation Delay Time
CLEAR to QA - QH
tPZL Output Enable Time
tPZH
tPLZ Output Disable Time
tPHZ
tw CLEAR pulse Width,
LOW
tw CLOCK pulse Width
ts Setup Time HIGH or
LOW (S0 or S1 to CK)
th Hold Time HIGH or LOW
(S0 or S1 to CK)
ts Setup Time HIGH or
LOW (SR or SL to CK)
th Hold Time HIGH or LOW
(SR or SL to CK)
tREM Recovery Time CLR to Q
fMAX Maximum Clock
Frequency
*) Voltage range is 5V ± 0.5V
T est Con ditio n
VCC
(V)
5.0(*)
5.0(*)
5.0(*)
5.0(*)
5.0(*)
5.0(*)
5.0(*)
5.0(*)
5.0(*)
5.0(*)
5.0(*)
5.0(*)
5.0(*)
5.0(*)
Valu e
TA = 25 oC
-40 to 85 oC
Min. T yp. Max. Min. Max.
7.2 10.5 1.0 12.0
Unit
ns
7.4 11.4 1.0 13.0 ns
6.0 10.0 1.0 11.5 ns
6.3 10.5 1.0 12.0 ns
7.4 11.4 1.0 13.0 ns
7.2 9.6 1.0 11.0 ns
5.0
5.0
ns
5.0
5.0 ns
6.0
6.5
ns
0.0
0.0
ns
3.5
3.5
ns
2.0
2.0
ns
2.0
2.0 ns
80 120
80
MHz
CAPACITIVE CHARACTERISTICS
Symb ol
Parameter
Test Conditions
VCC
(V)
Valu e
TA = 25 oC
-40 to 85 oC
Min. T yp. Max. Min. Max.
Unit
CIN Input Capacitance
5.0
5
10
10 pF
CI/O Bus Input Capacitance
5.0
13
CPD Power Dissipation
5.0
fIN = 10 MHz
160
pF
Capacitance (note 1)
1) CPD isdefined as the value of the IC’sinternal equivalent capacitance which is calculated fromthe operating current consumption without load. (Referto
7/13
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