HD74LV574A Datasheet, PDF (8/15 Pages) Hitachi Semiconductor – Octal Edge-Triggered D-type Flip-Flops with 3-state Outputs

HD74LV574A
Switching Characteristics (cont)
• V_CC = 5.0 ± 0.5 V
Ta = 25°C
Item
Symbol Min Typ
Maximum
clock
frequency
fmax
130 205
85 175
Propa-
t_PLH
gation
t_PHL
delay time
— 4.8
— 5.7
Enable
t_ZH
time
t_ZL
— 4.6
— 5.5
Disable
t_HZ
time
t_LZ
— 3.5
— 4.1
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
—
110
—
Unit
MHz
— 75
—
8.6 1.0
10.0
ns
10.6 1.0
12.0
9.0 1.0
10.5
ns
11.0 1.0
12.5
9.0 1.0
10.5
ns
10.1 1.0
11.5
— 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
Output-skew Characteristics
Ta = 25°C
Ta = –40 to 85°C
Item
Symbol V_CC (V) Min
Typ
Output skew t_{sk (O)}
2.3 to 2.7 —
—
3.0 to 3.6 —
—
Max
Min
2.0
—
1.5
—
Max
Unit
2.0
ns
1.5
4.5 to 5.5 —
—
1.0
—
1.0
Note: Skew between any outputs of the same package switching in the same direction. This parameter is
warranted but not production tested.
8