74HCT4538D NXP Semiconductors, 74HCT4538D Datasheet - Page 8

• Manufacturer Part Number: 74HCT4538D
• Description: LOGIC, 74HCT, MULTIVIBRATOR, SO16
• Manufacturer: NXP Semiconductors

Specifications of 74HCT4538D

• Multivibrator Type: Retriggerable Monostable
• Output Current: 4mA
• Propagation Delay: 35ns
• Logic Case Style: SO
• No. Of Pins: 16
• Supply Voltage Range: 4.5V To 5.5V
• Operating Temperature Range: -40°C To
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Philips Semiconductors
DC CHARACTERISTICS FOR 74HCT
For the DC characteristics see
Output capability: standard
I
Note to HCT types
The value of additional quiescent supply current ( I
To determine I
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; t
September 1993
CC
INPUT
nA
nR
SYMBOL PARAMETER
t
t
t
t
t
t
t
t
t
t
t
R
C
PLH
PHL
PHL
PLH
THL
W
W
W
W
rem
rt
Dual retriggerable precision monostable
multivibrator
EXT
EXT
0
category: MSI
D
, nA
/ t
TLH
1
propagation delay
propagation delay
propagation delay
propagation delay
output transition time
nA
nA
nR
nQ, nQ pulse width
removal time
retrigger time
external timing
external timing
r
= t
nA
nA
nR
nR
LOW
HIGH
LOW
HIGH or LOW
R
nA
resistor
capacitor
0
1
D
D
CC
f
0
0
0
D
D
pulse width
pulse width
pulse width
to nA
= 6 ns; C
, nA
, nA
, nA
to nQ
to nQ
per input, multiply this value by the unit load coefficient shown in the table below.
1
1
1
0
UNIT LOAD COEFFICIENT
0.50
0.65
to nQ
to nQ
, nA1
L
= 50 pF
“74HC/HCT/HCU/HCMOS Logic Family Specifications”
min.
20
16
20
0.63 0.70
7
2
35
35
35
35
7
11
5
11
2
80+X
typ.
25
60
60
60
60
0.77
1000
max. min.
15
CC
) for a unit load of 1 is given in the family specifications.
T
no limits
25
20
25
0.602 0.798 0.595 0.805 ms
9
74HCT
amb
40 to 85
8
( C)
75
75
75
75
19
max.
30
24
30
11
min.
40 to 125
90
90
90
90
21
max.
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
k
pF
.
UNIT
74HC/HCT4538
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
5.0
4.5
4.5
5.0
5.0
V
(V)
CC
TEST CONDITIONS
Product specification
OTHER
Fig.8
Fig.8
Fig.8
Fig.8
Fig.8
Fig.8
Fig.8
Fig.8
Fig.8; R
C
Fig.8
Fig.8
X = C
(4.5
t
= 0.1 F
EXT
V
t
CC
= 10 k ;
/
)