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HD74HC253 Datasheet, PDF (4/6 Pages) Hitachi Semiconductor – Dual 4-to-1-line Data Selectors/Multiplexers (with 3-state outputs)
HD74HC253
AC Characteristics (CL = 50 pF, Input tr = tf = 6 ns)
Ta = 25°C
Ta = –40 to
+85°C
Item
Symbol
Propagation delay tPLH
time
t PHL
VCC (V)
2.0
4.5
6.0
Min Typ Max Min
— — 125 —
— 18 25 —
— — 21 —
Max Unit
155 ns
31
26
2.0
— — 160 — 200
4.5
— 20 32 — 40
6.0
— — 27 — 34
Output enable
t ZL
time
t ZH
2.0
— — 100 — 125 ns
4.5
— 11 20 — 25
6.0
— — 17 — 21
Output disable
t LZ
time
t HZ
2.0
— — 150 — 190 ns
4.5
— 15 30 — 38
6.0
— — 26 — 33
Output rise/fall
t TLH
time
t THL
2.0
— — 75 — 95 ns
4.5
— 5 15 — 19
6.0
— — 13 — 16
Input capacitance Cin
—
— 5 10 — 10 pF
Test Conditions
Data to Y
Select to Y
4