DS3245J NSC [National Semiconductor], DS3245J Datasheet - Page 3

• Manufacturer Part Number: DS3245J
• Description: DS3245 Quad MOS Clock Driver
• Manufacturer: NSC [National Semiconductor]

Switching Characteristics
Capacitance
Note 1 C
Note 2 C
Note 3 C
Note 4 Typical values are measured at 25 C
Note 5 This parameter is periodically sampled and is not 100% tested Condition of measurement is f
AC Test Circuit and Switching Time Waveforms
Symbol
t
t
t
t
t
t
t
Symbol
C
C
b a
DR
a b
DF
T
DR
DF
IN
IN
L
L
L
e
e
e
150 pF
200 pF
250 pF
Input to Output Delay
Delay Plus Rise Time
Input to Output Delay
Delay Plus Fall Time
Output Transition Time
Delay Plus Rise Time
Delay Plus Fall Time
Input Capacitance I
Input Capacitance R C E1 E2
T
These values represent a range of total stray plus clock capacitance for nine 4k RAMs
A
Parameter
e
25 C
Parameter
(5)
1
I
2
I
T
3
A
I
4
e
R
R
R
R
R
R
R
0 C to
SERIES
SERIES
SERIES
SERIES
SERIES
SERIES
SERIES
Conditions
a
e
e
e
e
e
e
e
75 C V
Conditions
0
0
0
0
20
20
20
3
TL F 5873 – 3
CC
e
5V
Min
10
Input pulse amplitudes 3V
Input pulse rise and fall times
5 ns between 1V and 2V
Measurements points see waveforms
g
5
3
(1)
5% V
Min
e
DD
1 MHz V
e
Typ
12V
11
20
18
17
27
25
BIAS
7
(2 4)
Typ
5
8
g
e
5%
2V V
TL F 5873 – 4
CC
Max
e
Max
32
32
25
38
38
12
0V and T
8
(3)
A
e
25 C
Units
Units
pF
pF
ns
ns
ns
ns
ns
ns
ns