74HCT540D NXP Semiconductors, 74HCT540D Datasheet - Page 6

• Manufacturer Part Number: 74HCT540D
• Description: 74HCT CMOS, SMD, 74HCT540, SOIC20
• Manufacturer: NXP Semiconductors

Specifications of 74HCT540D

• Supply Voltage Range: 4.5V To 5.5V
• Logic Case Style: SOIC
• No. Of Pins: 20
• Operating Temperature Range: -40°C To +125°C
• Svhc: No SVHC (18-Jun-2010)
• Base Number: 74
• Ic Generic: RoHS Compliant
• Package / Case: SOIC
• Logic Device Type: Buffer / Line Driver, Inverting
• Rohs Compliant: Yes

DC CHARACTERISTICS FOR 74HCT
For the DC characteristics see
Output capability: bus driver
I
Note to HCT types
The value of additional quiescent supply current ( I
To determine I
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; t
CC
INPUT
OE
OE
A
SYMBOL PARAMETER
t
t
t
t
PHL
PZH
PHZ
THL
Philips Semiconductors
December 1990
n
category: MSI
1
2
Octal buffer/line driver; 3-state; inverting
/ t
/ t
/ t
/ t
TLH
PLH
PZL
PLZ
propagation delay
3-state
output enable time
3-state output
disable time
output transition time
r
A
OE to Y
OE to Y
= t
n
CC
f
to Y
= 6 ns; C
UNIT LOAD COEFFICIENT
1.50
1.00
1.40
per input, multiply this value by the unit load coefficient shown in the table below.
n
n
n
L
= 50 pF
“74HC/HCT/HCU/HCMOS Logic Family Specifications”
min. typ. max. min.
13
22
23
5
25
CC
24
35
35
12
) for a unit load of 1 is given in the family specifications.
T
74HCT
amb
6
40 to 85
( C)
30
44
44
15
max.
min. max.
40 to 125
36
53
53
18
.
ns
ns
ns
ns
UNIT
74HC/HCT540
V
4.5
4.5
4.5
4.5
TEST CONDITIONS
(V)
CC
Product specification
WAVEFORMS
Fig.6
Fig.7
Fig.7
Fig.6