HD74HCT564 Ver la hoja de datos (PDF) - Renesas Electronics
Número de pieza
componentes Descripción
Lista de partido
HD74HCT564 Datasheet PDF : 9 Pages
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HD74HCT564, HD74HCT574
Switching Characteristics
Item
Symbol VCC (V)
Maximum clock
frequency
fmax
4.5
Propagation delay time tPLH
4.5
tPHL
4.5
Output enable time
tZL
4.5
tZH
4.5
Output disable time
tLZ
4.5
tHZ
4.5
Setup time
tsu
4.5
Hold time
th
4.5
Pulse width
tw
4.5
Output rise/fall time
tTLH
4.5
tTHL
4.5
Input capacitance
Cin
—
Ta = 25°C
Min Typ Max
— — 30
Ta = –40 to +85°C
Min
Max
—
24
(CL = 50 pF, Input tr = tf = 6 ns)
Unit
Test Conditions
ns
— 14 31
—
— 15 31
—
— 16 30
—
— 16 30
—
— 15 30
—
— 18 30
—
20 3 —
25
5 –2 —
5
16 7 —
20
—
4
12
—
—
4
12
—
—
5
10
—
39
ns
39
38
ns
38
38
ns
38
—
ns
—
ns
—
ns
15
ns
15
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 kΩ S1
CL =
50 pF
OPEN
GND
VCC
TEST
tPLH / t PHL
tZH/ t HZ
tZL / t LZ
S1
OPEN
GND
VCC
Note : 1. CL includes probe and jig capacitance.
Rev.2.00 Mar 30, 2006 page 5 of 8
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