FST34X245QSP Fairchild Semiconductor, FST34X245QSP Datasheet - Page 4

• Manufacturer Part Number: FST34X245QSP
• Description: 32 Bit Bus Switch
• Manufacturer: Fairchild Semiconductor

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t
t
t
C
C
PHL
PZH
PHZ
AC Electrical Characteristics
Note 8: This parameter is guaranteed by design but is not tested. The bus switch contributes no propagation delay other than the RC delay of the typical On
Resistance of the switch and the 50pF load capacitance, when driven by an ideal voltage the source (zero output impedance).
Capacitance
Note 9: T
AC Loading and Waveforms
Note: Input driven by 50
Note: C
Note: Input PRR
IN
I/O
Symbol
Symbol
, t
, t
, t
PLH
PZL
PLZ
L
A
includes load and stray capacitance
25 C, f
Propagation Delay Bus to Bus
(Note 8)
Output Enable Time
Output Disable Time
Control Pin Input Capacitance
Input/Output Capacitance
1.0 MHz t
1 MHz, Capacitance is characterized but not tested.
source terminated in 50
Parameter
W
(Note 9)
500 ns
Parameter
V
Min
1.5
1.5
CC
FIGURE 1. AC Test Circuit
FIGURE 2. AC Waveforms
C
4.5 – 5.5V
L
T
A
50pF, RU
Max
0.25
5.9
6.0
Typ
40 C to 85 C,
3
5
4
RD
Min
V
CC
500
4.0V
Max
Max
0.25
6.4
5.7
Units
ns
ns
ns
Units
pF
pF
V
V
V
V
V
I
I
I
I
I
OPEN
7V for t
OPEN for t
7V for t
OPEN for t
Conditions
V
V
CC
CC
PZL
PLZ
, OE
PZH
PHZ
5.0V
Conditions
5.0V
Number
Figures
Figures
Figures
Figure
1, 2
1, 2
1, 2