74F756 Datasheet, PDF (3/12 Pages) NXP Semiconductors – Octal inverter buffer open-collector

Philips Semiconductors
Buffers
Product specification
74F756/74F757/74F760
PIN CONFIGURATION for 74F756
OEa 1
Ia0 2
Yb0 3
Ia1 4
Yb1 5
Ia2 6
Yb2 7
Ia3 8
Yb3 9
GND 10
20 V_CC
19 OEb
18 Ya0
17 Ib0
16 Ya1
15 Ib1
14 Ya2
13 Ib2
12 Ya3
11 Ib3
SF00320
IEC/IEEE SYMBOL for 74F756
1
EN1
19
EN2
2
18
1
4
16
6
14
8
12
17
3
2
15
5
13
7
11
9
SF01246
LOGIC SYMBOL for 74F756
2 4 6 8 17 15 13 11
Ia0 Ia1 Ia2 Ia3 Ib0 Ib1 Ib2 Ib3
1
OEa
19
OEb
Ya0 Ya1 Ya2 Ya3 Yb0 Yb1 Yb2 Yb3
V_CC = Pin 20
GND = Pin 10
18 16 14 12 3 5 7 9
SF00321
FUNCTION TABLE for 74F756
INPUTS
OEa
Ia
OEb
Ib
L
L
L
L
L
H
L
H
H
X
H
X
H = High voltage level
L = Low voltage level
X = Don’t care
OUTPUTS
Ya
Yb
H
H
L
L
H (off)
H (off)
LOGIC DIAGRAM for 74F756
Ia0 ²
Ia1 ⁴
Ia2 ⁶
Ia3 ⁸
OEb ¹
V_CC = Pin 20
GND = Pin 10
18 _Ya0
16 _Ya1
14
Ya2
12
Ya3
Ib0 ¹⁷
Ib1 ¹⁵
Ib2 ¹³
Ib3 ¹¹
OEb ¹⁹
3 _Yb0
5 _Yb1
7
Yb2
9
Yb3
SF01247
1989 Nov 27
3