HD74HC109 Datasheet, PDF (4/9 Pages) Hitachi Semiconductor – Dual J-K Flip-Flops (with Preset and Clear)

HD74HC109
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
— — 175 — 220 ns Clock to Q or Q
4.5
— 15 35 — 44
6.0
— — 30 — 37
2.0
— — 190 — 240 ns Preset or Clear to Clock
4.5
— 14 38 — 48
6.0
— — 32 — 41
Removal time
t _rem
2.0
25 — — 32 — ns
4.5
5 1 —6
—
6.0
4 —— 5
—
Setup time
t _su
2.0
100 — — 125 — ns
4.5
20 4 — 25 —
6.0
17 — — 21 —
Hold time
t_h
2.0
0 —— 0
— ns
4.5
0 –4 — 0
—
6.0
0 —— 0
—
Pulse width
t_w
2.0
80 — — 100 — ns
4.5
16 5 — 20 —
6.0
14 — — 17 —
Output rise/fall
t _TLH
time
t _THL
2.0
— — 75 — 90 ns
4.5
— 5 15 — 19
6.0
— — 13 — 16
Input capacitance Cin
—
— 5 10 — 10 pF
4