74hct4538 NXP Semiconductors, 74hct4538 Datasheet - Page 7

• Manufacturer Part Number: 74hct4538
• Description: Dual Retriggerable Precision Monostable Multivibrator
• Manufacturer: NXP Semiconductors

Philips Semiconductors
NON-STANDARD DC CHARACTERISTICS FOR 74HC
Voltages are referenced to GND (ground = 0 V)
Note
1. This measurement can only be carried out after a trigger pulse is applied.
September 1993
t
R
C
SYMBOL
rt
SYMBOL
I
Dual retriggerable precision monostable
multivibrator
EXT
EXT
I
input leakage current
retrigger time
external timing
external timing
nRC
nA
resistor
capacitor
PARAMETER
PARAMETER
0
EXT
, nA
1
min.
10
2
min. typ max. min. max. min. max.
455+X
80+X
55+X
typ.
25
25
0.5
1000
1000
max.
T
amb
74HC
T
no limits
40 to 85
amb
min.
74HC
7
( C)
40 to 85
( C)
5.0
max.
40 to 125
min.
40 to 125
10.0
max.
UNIT
A
ns
k
pF
UNIT
6.0
V
(V)
74HC/HCT4538
CC
TEST CONDITIONS
V
2.0
4.5
6.0
2.0
5.0
5.0
TEST CONDITIONS
(V)
2.0
or
GND
Product specification
CC
(V)
V
I
Fig.8
X = C
(4.5
note 1
V
CC
OTHER
OTHER
EXT
or GND;
V
CC
/
)