Philips Semiconductors Product specification
74F821/822/823/824/825/826Bus interface registers
1996 Jan 05
4
IEC/IEEE SYMBOL – 74F821
1
G2
2
3
4
5
6
7
8
9
10
11
EN1
1
13
2D
23
22
21
20
19
18
17
16
15
14
SF00484
PIN CONFIGURATION – 74F822
24
23
22
21
20
19
18
17
16
15
14
1312
10
11
9
8
7
6
5
4
3
2
1
GND
OE
CP
Q
0
Q
3
Q4
Q
5
Q
6
V
CC
Q7
Q
1
Q
2
Q
8
Q
9
D0
D3
D4
D5
D6
D7
D1
D2
D8
D9
SF00485
LOGIC SYMBOL – 74F822
CP
OE
Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7
13
1
D0 D1 D2 D3 D4 D5 D6 D7
23456789
23 22 21 20 19 18 17 16
V
CC
= Pin 24
GND = Pin 12
D8 D9
10 11
Q8 Q9
15 14
SF00486
IEC/IEEE SYMBOL – 74F822
1
G2
2
3
4
5
6
7
8
9
10
11
EN1
1
13
2D
23
22
21
20
19
18
17
16
15
14
SF00487
PIN CONFIGURATION – 74F823
24
23
22
21
20
19
18
17
16
15
14
1312
10
11
9
8
7
6
5
4
3
2
1
GND
OE
CP
Q0
Q3
Q4
Q5
Q6
V
CC
Q7
Q1
Q2
Q8
CE
D0
D3
D4
D5
D6
D7
D1
D2
D8
MR
SF00488
LOGIC SYMBOL – 74F823
CP
CE
MR
OE
Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7
13
14
11
1
D0 D1 D2 D3 D4 D5 D6 D7
23456789
23 22 21 20 19 18 17 16
V
CC
= Pin 24
GND = Pin 12
D8
10
Q8
15
SF00489
