74AHC259 Philips Semiconductors, 74AHC259 Datasheet - Page 14

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

Philips Semiconductors
2000 Mar 14
handbook, full pagewidth
handbook, halfpage
8-bit addressable latch
AHC
AHCT
FAMILY
Fig.8
AHC
AHCT
FAMILY
MR input
Qn output
The conditional reset input (MR) to output
(Qn) propagation delays.
GND to V
GND to 3.0 V
REQUIREMENTS
V CC
GND
V OH
V OL
GND to V
GND to 3.0 V
REQUIREMENTS
V
I
V
INPUT
I
INPUT
CC
CC
V M
Fig.10 The data set-up and hold time for D input to LE input.
Qn output
(1)
t PHL
LE input
D input
t W
50% V
1.5 V
INPUT
50% V
1.5 V
V
INPUT
M
GND
V
V CC
V CC
V OH
GND
V OL
V M
(1)
M
CC
(1)
(2)
CC
50% V
50% V
OUTPUT
50% V
50% V
OUTPUT
V
MNA548
M
V
(2)
M
Q = D
CC
CC
(2)
CC
CC
V M
t su
(1)
14
t h
The shaded areas indicate when the input is permitted to change
for predictable output performance.
V M
handbook, halfpage
V M
(1)
The shaded areas indicate when the input is permitted to change for
predictable output performance.
Fig.9
AHC
AHCT
An input
(2)
LE input
FAMILY
The address set-up and hold time for
An inputs to LE input.
GND
V CC
V CC
GND
GND to V
GND to 3.0 V
REQUIREMENTS
t su
Q = D
74AHC259; 74AHCT259
V
t h
I
MNA549
t su
V M
INPUT
(1)
CC
V M
(1)
ADDRESS STABLE
50% V
1.5 V
Product specification
INPUT
V
M
(1)
CC
t h
MNA550