74AHC259 Philips Semiconductors, 74AHC259 Datasheet - Page 10

• Manufacturer Part Number: 74AHC259
• Description: 8-bit addressable latch
• Manufacturer: Philips Semiconductors

Philips Semiconductors
AC CHARACTERISTICS
Type 74AHC259
GND = 0 V; t
2000 Mar 14
SYMBOL
V
t
t
t
t
t
t
t
PHL
PHL
PHL
PHL
W
su
h
CC
8-bit addressable latch
/t
/t
= 3.0 to 3.6 V; note 1
PLH
PLH
propagation delay
D to Qn
propagation delay
An to Qn
propagation delay
LE to Qn
propagation delay
MR to Qn
propagation delay
D to Qn
propagation delay
An to Qn
propagation delay
LE to Qn
propagation delay
MR to Qn
LE pulse width
HIGH or LOW
MR pulse width
LOW
set-up time
D to LE, An to LE
hold time D to LE,
An to LE
r
= t
PARAMETER
f
3.0 ns.
see Figs 5 and 11 15 pF
see Figs 6 and 11
see Figs 7 and 11
see Figs 8 and 11
see Figs 5 and 11 50 pF
see Figs 6 and 11
see Figs 7 and 11
see Figs 8 and 11
see Figs 7 and 11
see Figs 8 and 11
see Figs 9,
10 and 11
see Figs 9 and 11
WAVEFORMS
TEST CONDITIONS
C
L
10
5.0
5.0
4.0
1.0
MIN.
5.8
7.5
6.2
5.4
7.3
9.1
7.7
7.0
TYP.
25
11.5
14.5
12.0
10.5
14.5
18.0
15.5
13.5
MAX. MIN. MAX.
T
amb
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
5.0
5.0
4.0
1.0
40 to +85
( C)
13.5
17.0
14.0
12.5
17.0
21.0
17.5
15.5
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
5.0
5.0
4.0
1.0
74AHCT259
MIN.
Product specification
74AHC259;
40 to +125
15.0
18.5
15.2
13.5
18.5
23.0
19.0
17.0
MAX.
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns