74HCT257N NXP Semiconductors, 74HCT257N Datasheet - Page 5

• Manufacturer Part Number: 74HCT257N
• Description: IC, 74HCT CMOS, 74HCT257, DIP16, 5V
• Manufacturer: NXP Semiconductors

Specifications of 74HCT257N

• Logic Type: Multiplexer
• No. Of Outputs: 4
• Supply Voltage Range: 4.5V To 5.5V
• Logic Case Style: DIP
• No. Of Pins: 16
• Operating Temperature Range: -40°C To +125°C
• Svhc: No SVHC (18-Jun-2010)
• Package: RoHS Compliant
• Base Number: 74
• Rohs Compliant: Yes

Philips Semiconductors
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see
Output capability: bus driver
I
AC CHARACTERISTICS FOR 74HC
GND = 0 V; t
1998 Sep 30
CC
SYMBOL
t
t
t
t
t
PHL
PHL
PZH
PHZ
THL
Quad 2-input multiplexer; 3-state
category: MSI
/ t
/ t
/ t
/ t
/ t
TLH
PLH
PLH
PZL
PLZ
PARAMETER
propagation delay
propagation delay
3-state output enable time
3-state output disable time
output transition time
r
nI
nI
S to nY
OE to nY
OE to nY
= t
0
1
f
to nY;
to nY
= 6 ns; C
L
= 50 pF
“74HC/HCT/HCU/HCMOS Logic Family Specifications”
min. typ. max. min. max.
36
13
10
47
17
14
33
12
10
41
15
12
14
5
4
25
110
22
19
150
30
26
150
30
26
150
30
26
60
12
10
5
T
amb
74HC
40 to 85
( C)
140
28
24
190
38
33
190
38
33
190
38
33
75
15
13
min.
40 to 125
165
33
28
225
45
38
225
45
38
225
45
38
90
18
15
max.
.
UNIT
ns
ns
ns
ns
ns
74HC/HCT257
Product specification
TEST CONDITIONS
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
V
(V)
CC
WAVEFORMS
Fig.6
Fig.6
Fig.7
Fig.7
Fig.6