Philips N74F126D, N74F126N, N74F125D, N74F125N Datasheet
INTEGRATED CIRCUITS
74F125, 74F126
Quad buffers (3-State)
Product specification
IC15 Data Handbook
1989 March 28
Philips Semiconductors Product specification
74F125, 74F126Quad buffers (3-State)
FEA TURE
•High impedance NPN base inputs for reduced loading
(20µA in High and Low states)
TYPE
TYPICAL
PROPAGATION
DELAY
TYPICAL
SUPPLY CURRENT
(TOTAL)
ORDERING INFORMATION
COMMERCIAL RANGE
V
DESCRIPTION
14-pin plastic DIP N74F125N, N74F126N SOT27-1
14-pin plastic SO N74F125D, N74F126D SOT108-1
= 5V ±10%,
CC
= 0°C to +70°C
T
amb
74F125 5.0ns 23mA
74F126 5.0ns 26mA
INPUT AND OUTPUT LOADING AND FAN OUT TABLE
PINS DESCRIPTION 74F (U.L.) HIGH/LOW LOAD VALUE HIGH/LOW
D0–D3 Data inputs 1.0/0.033 20µA/20µA
OE0–OE3 Output Enable inputs (active Low), 74F125 1.0/0.033 20µA/20µA
OE0–OE3 Output Enable inputs (active High), 74F126 1.0/0.033 20µA/20µA
Q0–Q3 Data outputs 750/106.7 15mA/64mA
NOTE: One (1.0) FAST unit load is defined as: 20µA in the High state and 0.6mA in the Low state.
PIN CONFIGURATIONS
74F126
1
2
3
4
5
6
OE
OE
GND
D0
Q0
D1
Q1
74F125
1
0
2
3
1
4
5
6
14
V
OE
13
D3
12
Q3
11
OE2
10
D2
9
Q2
87
SF00117
CC
3
OE0
D0
Q0
OE1
D1
Q1
GND
14
V
OE3
13
D3
12
Q3
11
OE2
10
D2
9
Q2
87
SF00118
PKG DWG #
CC
LOGIC SYMBOLS
74F125
25
10
13
V
= Pin 14
CC
GND = Pin 7
1
4
OE0
OE1
OE2
OE3
Q0 Q0
36
March 28, 1989 853–0341 96146
D1 D2
912
D3D0
Q1 Q1
811
SF00119
2
10
13
= Pin 14
V
CC
GND = Pin 7
1
4
OE0
OE1
OE2
OE3
74F126
25
D1 D2
Q0 Q0
36
912
D3D0
Q1 Q1
811
SF00120
Philips Semiconductors Product specification
74F125, 74F126Quad buffers (3-State)
IEC/IEEE SYMBOLS
1
2
4
5
10
9
13
12
LOGIC DIAGRAMS
OE
D0
OE
D1
OE
D2
OE
VCC = Pin 14
GND = Pin 7
D3
74F125
EN
1
3
6
8
11
SF00121
1
2
4
5
10
9
13
12
74F125
1
0
2
4
1
5
10
2
9
13
3
12
3
Q0
6
Q1
8
Q2
11
Q3
SF00123
VCC = Pin 14
GND = Pin 7
OE0
D0
OE1
D1
OE2
D2
OE3
D3
1
2
4
5
10
9
13
12
EN
74F126
1
74F126
3
6
8
11
SF00124
3
6
8
11
SF00122
Q0
Q1
Q2
Q3
FUNCTION TABLE, 74F125
FUNCTION TABLE, 74F126
I NPUTS OUTPUT
OEn Dn Qn
L L L
L H H
OEn Dn Qn
H L L
H H H
H X Z
NOTES TO THE FUNCTION TABLES:
H = High voltage level
L = Low voltage level
X = Don’t care
Z = High impedance “off” state
ABSOLUTE MAXIMUM RATINGS
(Operation beyond the limit set forth in this table may impair the useful life of the device.
Unless otherwise noted these limits are over the operating free-air temperature range.)
SYMBOL
V
CC
V
IN
I
IN
V
OUT
I
OUT
T
amb
T
stg
Supply voltage –0.5 to +7.0 V
Input voltage –0.5 to +7.0 V
Input current –30 to +5 mA
Voltage applied to output in High output state –0.5 to V
Current applied to output in Low output state 128 mA
Operating free-air temperature range 0 to +70 °C
Storage temperature range –65 to +150 °C
PARAMETER RATING UNIT
I NPUTS OUTPUT
L X Z
CC
V
March 28, 1989
3
Loading...