HD74LV574A Datasheet, PDF (6/15 Pages) Hitachi Semiconductor – Octal Edge-Triggered D-type Flip-Flops with 3-state Outputs

HD74LV574A
Switching Characteristics
• V_CC = 2.5 ± 0.2 V
Ta = 25°C
Ta = –40 to 85°C
Item
Symbol Min Typ Max Min
Maximum
clock
frequency
fmax
60 100 — 50
50 85 — 40
Propa-
t_PLH
gation
t_PHL
delay time
— 9.6 16.6 1.0
— 11.6 19.6 1.0
Enable
t_ZH
time
t_ZL
— 9.2 16.1 1.0
— 10.9 19.0 1.0
Disable
t_HZ
time
t_LZ
— 6.5 12.8 1.0
— 8.4 17.5 1.0
Setup time t_su
Hold time t_h
Pulse
t_w
width
5.5 — — 5.5
2.0 — — 2.0
7.0 — — 7.0
Max
—
—
20.0
23.0
19.0
22.0
15.0
20.0
—
—
—
Unit
MHz
ns
ns
ns
ns
ns
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
6