74F257A Philips, 74F257A Datasheet - Page 5

• Manufacturer Part Number: 74F257A
• Description: Quad 2-line to 1-line selector/multiplexer / non-inverting 3-State
• Manufacturer: Philips

1. For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable type.
2. All typical values are at V
3. Not more than one output should be shorted at a time. For testing I
4. Measure I
Philips Semiconductors
DC ELECTRICAL CHARACTERISTICS
(Over recommended operating free-air temperature range unless otherwise noted.)
NOTES:
AC ELECTRICAL CHARACTERISTICS
1995 Mar 31
SYMBOL
SYMBOL
SYMBOL
V
V
V
V
V
I
I
I
I
I
I
I
t
t
t
t
t
t
t
t
I
IH
IL
OZH
OZL
OS
CC
PLH
PHL
PLH
PHL
PZH
PZL
PHZ
PLZ
Quad 2-line to 1-line selector/multiplexer, non-inverting
(3-State)
techniques are preferable in order to minimize internal heating and more accurately reflect operational values. Otherwise, prolonged shorting
of a High output may raise the chip temperature well above normal and thereby cause invalid readings in other parameter tests. In any
sequence of parameter tests, I
O
OH
O
OL
IK
CC
Propagation delay
In to Yn
Propagation delay
S to Yn
Output Enable time
to High or Low level
Output Disable time
from High or Low level
High level output voltage
High-level output voltage
Low level output voltage
Low-level output voltage
Input clamp voltage
Input current at maximum input voltage
High-level input current
Low-level input current
Off state output current,
High-level voltage applied
Off state output current,
Low-level voltage applied
Short-circuit output current
Supply current
with all outputs open and inputs grounded.
PARAMETER
PARAMETER
PARAMETER
CC
4
4
(total)
= 5V, T
OS
tests should be performed last.
amb
3
= 25 C.
CONDITION
Waveform 1
Waveform 1
Waveform 2
Waveform 3
Waveform 2
Waveform 3
I
I
I
CCH
CCL
CCZ
TEST
V
V
V
V
V
V
V
V
V
V
V
V
CC
CC
IH
CC
CC
IH
CC
CC
CC
CC
CC
CC
CC
CC
= MIN, I
= MIN, I
= MIN, V
= MIN, V
= MIN, I
= MAX, V
= MAX, V
= MAX, V
= MAX, V
= MAX, V
= MAX
= MAX
MIN
3.0
2.0
5.0
4.0
4.5
4.5
2.0
2.0
T
V
amb
C
R
CC
,
,
TEST CONDITIONS
TEST CONDITIONS
L
L
OH
OL
OS
TYP
I
= 500
= 50pF
4.5
3.5
7.5
5.5
6.5
6.0
4.0
3.5
= +5.0V
= +25 C
IL
IL
IL
IL
= I
5
I
I
I
O
O
= MAX
= MAX
, the use of high-speed test apparatus and/or sample-and-hold
= 7.0V
= 2.7V
= 0.5V
= MAX,
= MAX,
IK
= 2.7V
= 0.5V
MAX
6.0
5.0
9.5
7.0
7.5
7.5
5.5
5.5
,
,
T
V
amb
CC
MIN
3.0
2.0
5.0
4.0
4.5
4.5
2.0
2.0
1
1
C
R
= +5.0V
= 0 C to +70 C
L
L
10%V
10%V
= 500
LIMITS
= 50pF
5%V
5%V
CC
CC
MAX
CC
CC
10.5
7.0
6.0
8.0
8.5
8.5
6.0
6.0
10%
MIN
2.4
2.7
-60
T
amb
V
MIN
CC
3.0
2.0
5.0
4.0
4.5
4.5
2.0
2.0
= –40 C to +85 C
LIMITS
C
R
–0.73
= +5.0V
TYP
0.35
0.35
14.5
15.0
3.3
9.0
L
L
= 500
= 50pF
2
Product specification
MAX
10.5
74F257A
7.0
7.0
8.5
8.5
8.5
6.0
6.0
10%
MAX
–150
0.50
0.50
–1.2
–0.6
15.0
22.0
23.0
100
–50
20
50
UNIT
UNIT
UNIT
mA
mA
mA
mA
mA
ns
ns
ns
ns
V
V
V
V
V
A
A
A
A