參數(shù)資料
型號(hào): 74LV259PWDH
廠商: NXP SEMICONDUCTORS
元件分類: 通用總線功能
英文描述: 8-bit addressable latch
中文描述: LV/LV-A/LVX/H SERIES, LOW LEVEL TRIGGERED D LATCH, TRUE OUTPUT, PDSO16
文件頁數(shù): 4/14頁
文件大小: 126K
代理商: 74LV259PWDH
Philips Semiconductors
Product specification
74LV259
8-bit addressable latch
1998 May 20
4
FUNCTION TABLE
OPERATING MODES
INPUTS
OUTPUTS
MR
LE
D
A
0
X
A
1
X
A
2
X
Q
0
L
Q
1
L
Q
2
L
Q
3
L
Q
4
L
Q
5
L
Q
6
L
Q
7
L
Master reset
L
H
X
L
L
d
L
L
L
Q=d
L
L
L
L
L
L
L
L
L
d
H
L
L
L
Q=d
L
L
L
L
L
L
Demultiplex
(active HIGH)
decoder
(when D = H)
L
L
d
L
H
L
L
L
Q=d
L
L
L
L
L
L
L
d
H
H
L
L
L
L
Q=d
L
L
L
L
)
L
L
d
L
L
H
L
L
L
L
Q=d
L
L
L
L
L
d
H
L
H
L
L
L
L
L
Q=d
L
L
L
L
d
L
H
H
L
L
L
L
L
L
Q=d
L
L
L
d
H
H
H
L
L
L
L
L
L
L
Q=d
Store (do nothing)
H
H
X
X
X
X
q0
q1
q2
q3
q4
q5
q6
q7
H
L
d
L
L
L
Q=d
q1
q2
q3
q4
q5
q6
q7
H
L
d
H
L
L
q0
Q=d
q2
q3
q4
q5
q6
q7
H
L
d
L
H
L
q0
q1
Q=d
q3
q4
q5
q6
q7
Addressable latch
H
L
d
H
H
L
q0
q1
q2
Q=d
q4
q5
q6
q7
H
L
d
L
L
H
q0
q1
q2
q3
Q=d
q5
q6
q7
H
L
d
H
L
H
q0
q1
q2
q3
q4
Q=d
q6
q7
H
L
d
L
H
H
q0
q1
q2
q3
q4
q5
Q=q
q7
H
L
d
H
H
H
q0
q1
q2
q3
q4
q5
q6
Q=d
NOTES:
H =
L
=
X =
d
=
q
=
HIGH voltage level
LOW voltage level
don’t care
HIGH or LOW data one set-up time prior to the LOW-to-HIGH LE transition
lower case letters indicate the state of the referenced output established during the last cycle established during the last cycle in which
it was addressed or cleared
RECOMMENDED OPERATING CONDITIONS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
V
CC
V
I
V
O
DC supply voltage
See Note 1
1.0
3.3
3.6
V
Input voltage
0
V
CC
V
CC
+85
+125
V
Output voltage
0
V
T
amb
Operating ambient temperature range in free air
See DC and AC
characteristics
–40
–40
°
C
t
r
, t
f
Input rise and fall times
V
CC
= 1.0V to 2.0V
V
CC
= 2.0V to 2.7V
V
CC
= 2.7V to 3.6V
500
200
100
ns/V
NOTE:
1. The LV is guaranteed to function down to V
CC
= 1.0V (input levels GND or V
CC
); DC characteristics are guaranteed from V
CC
= 1.2V to V
CC
= 5.5V.
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