74LVC823A データシートの表示（PDF） - Philips Electronics
部品番号
コンポーネント説明
メーカー
74LVC823A
Philips Electronics
74LVC823A Datasheet PDF : 12 Pages
| |||
Philips Semiconductors
9-bit D-type flip-flop with 5-volt tolerant
inputs/outputs; positive-edge trigger (3-State)
Product specification
74LVC823A
PIN DESCRIPTION
PIN NUMBER SYMBOL
1
OE
2, 3, 4, 5, 6,
7, 8, 9, 10
11
12
13
14
23, 22, 21, 20,
19, 18, 17, 16,
15
24
D0 to D8
MR
GND
CP
CE
Q0 to Q8
VCC
NAME AND FUNCTION
Output enable input
(active LOW)
Data inputs
Master reset (active LOW)
Ground (0 V)
Clock pulse (active rising)
Clock enable (active LOW)
3-State flip-flop outputs
Positive supply voltage
FUNCTION TABLE
OPERATING MODES
INPUTS
OE
MR
CE
Clear
L
L
X
Load and read register
L
H
L
L
H
L
Load register and disable outputs
H
H
L
H
H
L
Hold
L
H
H
H = HIGH voltage level
h = HIGH voltage level one set-up time prior to the LOW-to-HIGH
CP transition
L = LOW voltage level
l = LOW voltage level one set-up time prior to the LOW-to-HIGH
CP transition
Z = high impedance OFF-state
↑ = LOW–to–HIGH clock transition
NC= no change
PIN CONFIGURATION
OE 1
D0 2
D1 3
D2 4
D3 5
D4 6
D5 7
D6 8
D7 9
D 8 10
MR 11
GND 12
24 V CC
23 Q 0
22 Q 1
21 Q 2
20 Q 3
19 Q 4
18 Q 5
17 Q 6
16 Q 7
15 Q 8
14 CE
13 CP
SA00418
CP
Dn
X
X
↑
l
↑
h
X
l
X
h
NC
X
INTERNAL FLIP-FLOPS
L
L
H
L
H
NC
LOGIC SYMBOL
11 1
MR OE
2
D0
Q0
23
3
D1
Q1
22
4
D2
Q2
21
5
D3
Q3
20
6
D4
Q4
19
7
D5
Q5
18
8
D6
Q6
17
9
D7
Q7
16
10
D8
Q8
15
CP CE
13 14
SA00419
OUTPUTS
Q0 to Q8
L
L
H
Z
Z
NC
1998 Sep 24
3
Share Link: