HD74HC374_15 Datasheet, PDF (7/11 Pages) Renesas Technology Corp – Octal D-type Flip-Flops (with 3-state outputs)

HD74HC374, HD74HC534
Switching Characteristics (C_L = 50 pF, Input t_r = t_f = 6 ns)
Item
Maximum clock
frequency
Propagation delay
time
Output enable
time
Output disable
time
Setup time
Hold time
Pulse width
Output rise/fall
time
Input capacitance
Symbol VCC (V)
fmax
2.0
4.5
6.0
tPHL
2.0
tPLH
4.5
6.0
tZL
2.0
4.5
6.0
tZH
2.0
4.5
6.0
tLZ
2.0
4.5
6.0
tHZ
2.0
4.5
6.0
tsu
2.0
4.5
6.0
th
2.0
4.5
6.0
tw
2.0
4.5
6.0
tTLH
2.0
tTHL
4.5
6.0
Cin
—
Ta = 25°C
Min Typ Max
—— 6
— — 30
— — 35
— — 140
— 18 28
— — 24
— — 150
— 11 30
— — 26
— — 150
— 14 30
— — 26
— — 150
— 13 30
— — 26
— — 150
— 16 30
— — 26
100 — —
20 1 —
17 — —
25 — —
5
1—
5 ——
80 — —
16 6 —
14 — —
— — 60
— 4 12
— — 10
— 5 10
Ta = –40 to +85°C
Min
Max Unit
Test Conditions
—
5 MHz
—
24
—
28
—
175 ns
—
35
—
30
—
190 ns
—
38
—
33
—
190 ns
—
38
—
33
—
190 ns
—
38
—
33
—
190 ns
—
38
—
33
125
—
ns Data to Clock
25
—
21
—
31
—
ns Clock to Data
6
—
6
—
100
—
ns Clock or Output control
20
—
17
—
—
75
ns
—
15
—
13
—
10
pF
Test Circuit
VCC
Input
Pulse Generator
Zout = 50 Ω
Input
Pulse Generator
Zout = 50 Ω
VCC
Output
OC 1Q to 8Q
or
1Q to 8Q
1D to 8D
Clock
1 k Ω _S1
C_L =
50 pF
OPEN
GND
V_CC
TEST
t_PLH / t _PHL
t_ZH/ t _HZ
t_ZL / t _LZ
S1
OPEN
GND
V_CC
Note : 1. C_L includes probe and jig capacitance.
Rev.2.00 Mar 30, 2006 page 5 of 8