74ahct259 NXP Semiconductors, 74ahct259 Datasheet - Page 12

• Manufacturer Part Number: 74ahct259
• Description: 8-bit Addressable Latch
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Type 74AHCT259
GND = 0 V; t
Note
1. Typical values at V
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
= 4.5 to 5.5 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.
CC
= 5.0 V.
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
12
5.0
5.0
4.0
1.0
MIN.
4.1
5.5
4.3
3.9
5.4
6.6
5.5
5.1
TYP.
25
7.5
9.5
8.0
7.0
9.5
12.0
10.0
9.0
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)
9.0
11.5
9.5
8.5
11.0
14.0
12.0
10.5
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
10.0
12.5
10.4
9.5
12.0
15.5
13.0
11.5
MAX.
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns