HD74LV574A Datasheet, PDF (7/15 Pages) Hitachi Semiconductor – Octal Edge-Triggered D-type Flip-Flops with 3-state Outputs

HD74LV574A
Switching Characteristics (cont)
• V_CC = 3.3 ± 0.3 V
Ta = 25°C
Item
Symbol Min Typ
Maximum
clock
frequency
fmax
80 145
55 120
Propa-
t_PLH
gation
t_PHL
delay time
— 6.8
— 8.1
Enable
t_ZH
time
t_ZL
— 6.4
— 7.7
Disable
t_HZ
time
t_LZ
— 4.8
— 6.1
Setup time t_su
Hold time t_h
Pulse
t_w
width
3.5 —
1.5 —
5.0 —
Ta = –40 to 85°C
Max Min Max
— 65
—
Unit
MHz
— 45
—
13.2 1.0
15.5
ns
16.7 1.0
19.0
12.8 1.0
15.0
ns
16.3 1.0
18.5
13.0 1.0
15.0
ns
15.0 1.0
17.0
— 3.5
—
ns
— 1.5
—
ns
— 5.0
—
ns
Test Conditions
C_L = 15 pF
C_L = 50 pF
C_L = 15 pF
C_L = 50 pF
C_L = 15 pF
C_L = 50 pF
C_L = 15 pF
C_L = 50 pF
FROM
(Input)
TO
(Output)
CLK
Q
OE
Q
OE
Q
Data before CLK ↑
Data after CLK ↑
CLK: H or L
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