HD74HC259P Ver la hoja de datos (PDF) - Renesas Electronics
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HD74HC259P Datasheet PDF : 10 Pages
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HD74HC259
Switching Characteristics
Item
Propagation delay
time
Pulse width
Setup time
Hold time
Output rise/fall
time
Input capacitance
Symbol VCC (V)
tPHL
2.0
tPLH
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
tPHL
2.0
4.5
6.0
tw
2.0
4.5
6.0
tsu
2.0
4.5
6.0
th
2.0
4.5
6.0
tTLH
2.0
tTHL
4.5
6.0
Cin
—
Ta = 25°C
Min Typ Max
— — 185
— 16 37
— — 31
— — 215
— 20 43
— — 37
— — 200
— 17 40
— — 34
— — 155
— 15 31
— — 26
80 — —
16 6 —
14 — —
100 — —
20 5 —
17 — —
5 ——
5 –1 —
5 ——
— — 75
— 5 15
— — 13
— 5 10
(CL = 50 pF, Input tr = tf = 6 ns)
Ta = –40 to +85°C Unit
Test Conditions
Min
Max
—
230 ns Data to output
—
46
—
39
—
270 ns Latch select to output
—
54
—
46
—
250 ns Enable to output
—
50
—
43
—
195 ns Clear to output
—
39
—
33
100
—
ns Clear, Enable
20
—
17
—
125
—
ns Latch select or data to enable
25
—
21
—
5
—
ns Latch select or data to enable
5
—
5
—
—
95
ns
—
19
—
16
—
10 pF
Test Circuit
VCC
VCC
Input
Pulse Generator
Zout = 50 Ω
G
Clear
Q0 to Q7
A
B
C
D
Output
CL =
50 pF
Note : 1. CL includes probe and jig capacitance.
Rev.2.00 Jan 31, 2006 page 4 of 9
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