74AHC259 Philips Semiconductors, 74AHC259 Datasheet - Page 4

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

Philips Semiconductors
FUNCTION TABLE
See note 1.
Note
1. H = HIGH voltage level;
ORDERING INFORMATION
2000 Mar 14
reset
demultiplexer
(active HIGH
8-channel)
decoder (when D = H)
memory (do nothing)
addressable latch
74AHC259D
74AHC259PW
74AHCT259D
74AHCT259PW
OPERATING MODE
TYPE NUMBER
8-bit addressable latch
L = LOW voltage level;
X = don’t care;
d = HIGH or LOW data one set-up time prior to the LOW-to-HIGH LE transition;
q = lower case letters indicate the state of the referenced output established during the last cycle in which it was
addressed or cleared.
TEMPERATURE
40 to +125 C
MR
RANGE
H
H
L
L
LE
H
H
L
L
INPUTS
D
X
X
H
d
d
d
d
d
d
d
d
d
d
d
d
d
d
d
A0
X
H
H
H
H
X
H
H
H
H
L
L
L
L
L
L
L
L
PINS
16
16
16
16
A1
X
H
H
H
H
X
H
H
H
H
L
L
L
L
L
L
L
L
A2
X
H
H
H
H
X
H
H
H
H
L
L
L
L
L
L
L
L
4
Q = d
Q = d
Q0
q
q
q
q
q
q
q
q
L
L
L
L
L
L
L
L
PACKAGES
0
0
0
0
0
0
0
0
PACKAGE
TSSOP
TSSOP
SO
SO
Q = d
Q = d
Q1
q
q
q
q
q
q
q
q
L
L
L
L
L
L
L
L
1
1
1
1
1
1
1
1
Q = d
Q = d
Q2
q
q
q
q
q
q
q
q
L
L
L
L
L
L
L
L
2
2
2
2
2
2
2
2
Q = d
Q = d
MATERIAL
OUTPUTS
Q3
q
q
q
q
q
q
q
q
L
L
L
L
L
L
L
L
3
3
3
3
3
3
3
3
plastic
plastic
plastic
plastic
Q = d
Q = d
Q4
q
q
q
q
q
q
q
q
L
L
L
L
L
L
L
L
4
4
4
4
4
4
4
4
Q = d
Q = d
74AHCT259
Product specification
74AHC259;
Q5
q
q
q
q
q
q
q
q
L
L
L
L
L
L
L
L
5
5
5
5
5
5
5
5
SOT109-1
SOT403-1
SOT109-1
SOT403-1
Q = d
Q = d
CODE
Q6
q
q
q
q
q
q
q
q
L
L
L
L
L
L
L
L
6
6
6
6
6
6
6
6
Q = d
Q = d
Q7
q
q
q
q
q
q
q
q
L
L
L
L
L
L
L
L
7
7
7
7
7
7
7
7