HD74LV2GT66A
Rev.2.00, Oct.17.2003, page 5 of 9
Switching Characteristics

VCC = 3.3 ± 0.3 V

Ta = 25°C Ta = –40 to 85°C
Item Symbol Min Typ Max Min Max Unit
Test
Conditions
FROM
(Input)
TO
(Output)
1.5 6.0 — 10.0 CL = 15 pFPropagation
delay time tPLH
tPHL 4.0 9.0 — 12.0
ns
CL = 50 pF
IN/OUT
or OUT/IN
OUT/IN
or IN/OUT
4.0 11.0 — 15.0 CL = 15 pFEnable time tZH
tZL 6.0 18.0 — 22.0
ns
CL = 50 pF
CIN/OUT
or OUT/IN
5.0 11.0 — 15.0 CL = 15 pFDisable time tHZ
tLZ 8.0 18.0 — 22.0
ns
CL = 50 pF
CIN/OUT
or OUT/IN

VCC = 5.0 ± 0.5 V

Ta = 25°C Ta = –40 to 85°C
Item Symbol Min Typ Max Min Max Unit
Test
Conditions
FROM
(Input)
TO
(Output)
1.0 4.0 — 7.0 CL = 15 pFPropagation
delay time tPLH
tPHL 3.0 6.0 — 8.0
ns
CL = 50 pF
IN/OUT
or OUT/IN
OUT/IN
or IN/OUT
3.0 7.0 — 10.0 CL = 15 pFEnable time tZH
tZL 5.0 12.0 — 16.0
ns
CL = 50 pF
CIN/OUT
or OUT/IN
4.0 7.0 — 10.0 CL = 15 pFDisable time tHZ
tLZ 6.0 12.0 — 16.0
ns
CL = 50 pF
CIN/OUT
or OUT/IN
Operating Characteristics

CL = 50 pF

Ta = 25°C
Item Symbol VCC (V) Min Typ Max Unit Test Conditions
Power dissipation
capacitance CPD 5.0 4.0 pF f = 10 MHz