HD74HC93 Datasheet, PDF (6/11 Pages) Hitachi Semiconductor – 4-bit Binary Counter

HD74HC93
AC Characteristics (C_L = 50 pF, Input t_r = t_f = 6 ns)
Ta = 25°C
Ta = –40 to
+85°C
Item
Maximum clock
frequency
Symbol
f _max
V_CC (V)
2.0
4.5
Min Typ Max Min
——5 —
— — 27 —
Max Unit Test Conditions
4
MHz
21
6.0
— — 32 — 25
Propagation delay t_PLH
time
t _PHL
2.0
— — 120 — 150 ns A to Q_A
4.5
— 13 24 — 30
6.0
— — 20 — 26
t _PLH
2.0
— — 340 — 425 ns A to Q_D
t _PHL
4.5
— 42 68 — 85
6.0
— — 58 — 72
t _PLH
2.0
— — 130 — 165 ns B to Q_B
t _PHL
4.5
— 13 26 — 33
6.0
— — 22 — 28
t _PLH
2.0
— — 185 — 230 ns B to Q_C
t _PHL
4.5
— 21 37 — 46
6.0
— — 31 — 39
t _PLH
2.0
— — 220 — 275 ns B to Q_D
t _PHL
4.5
— 27 44 — 55
6.0
— — 37 — 47
t _PLH
2.0
— — 175 — 220 ns Set-to-0 to Q_{A to D}
t _PHL
4.5
— 13 35 — 44
6.0
— — 30 — 37
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
6