HD74HC74 Datasheet, PDF (3/8 Pages) Hitachi Semiconductor – Dual D-type Flip-Flops (with Preset and Clear)

HD74HC74
Recommended Operating Conditions
Item
Symbol
Ratings
Supply voltage
Input / Output voltage
VCC
VIN, VOUT
2 to 6
0 to VCC
Operating temperature
Ta
–40 to 85
Input rise / fall time^*1
0 to 1000
tr, tf
0 to 500
0 to 400
Note: 1. This item guarantees maximum limit when one input switches.
Waveform: Refer to test circuit of switching characteristics.
Unit
V
V
°C
ns
Conditions
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
Electrical Characteristics
Item
Input voltage
Output voltage
Input current
Quiescent supply
current
Symbol
VIH
VIL
VOH
VOL
Iin
ICC
VCC (V)
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
4.5
6.0
2.0
4.5
6.0
4.5
6.0
6.0
6.0
Ta = 25°C
Min Typ Max
1.5 — —
3.15 — —
4.2 — —
— — 0.5
— — 1.35
— — 1.8
1.9 2.0 —
4.4 4.5 —
5.9 6.0 —
4.18 — —
5.68 — —
— 0.0 0.1
— 0.0 0.1
— 0.0 0.1
— — 0.26
— — 0.26
— — ±0.1
— — 2.0
Ta = –40 to+85°C
Min Max Unit
Test Conditions
1.5
—
V
3.15
—
4.2
—
—
0.5 V
—
1.35
—
1.8
1.9
—
V Vin = VIH or VIL IOH = –20 µA
4.4
—
5.9
—
4.13
—
IOH = –4 mA
5.63
—
IOH = –5.2 mA
—
0.1
V Vin = VIH or VIL IOL = 20 µA
—
0.1
—
0.1
—
0.33
IOL = 4 mA
—
0.33
IOL = 5.2 mA
—
±1.0 µA Vin = VCC or GND
—
20 µA Vin = VCC or GND, Iout = 0 µA
Switching Characteristics (C_L = 50 pF, Input t_r = t_f = 6 ns)
Item
Maximum clock
frequency
Propagation delay
time
Setup time
Symbol VCC (V)
fmax
2.0
4.5
6.0
tPLH, tPHL 2.0
4.5
6.0
2.0
4.5
6.0
tsu
2.0
4.5
6.0
Ta = 25°C
Ta = –40 to +85°C
Min Typ Max Min Max Unit
Test Conditions
—— 5
—
4 MHz
— 35 25
—
20
— — 29
—
24
— — 160 —
200 ns Clock to Q or Q
— 14 32
—
40
— — 27
—
34
— — 160 —
200 ns Preset or Clear to Q or Q
— 13 32
—
40
— — 27
—
34
100 — — 125
— ns Data to Clock
20 1 —
25
—
17 — —
21
—
Rev.2.00, Oct 06, 2005 page 3 of 7