74fst3244 ON Semiconductor, 74fst3244 Datasheet - Page 4

• Manufacturer Part Number: 74fst3244
• Description: 8-bit Bus Switch
• Manufacturer: ON Semiconductor

*Typical values are at V
6. Measured by the voltage drop between A and B pins at the indicated current through the switch. On resistance is determined by the lower
7. This parameter is guaranteed by design but is not tested. The bus switch contributes no propagation delay other than the RC delay of the
8. T
CAPACITANCE (Note 8)
DC ELECTRICAL CHARACTERISTICS
Symbol
AC ELECTRICAL CHARACTERISTICS
Symbol
Symbol
DI
t
t
t
R
t
t
t
C
of the voltages on the two (A or B) pins.
PHL
PZH
PHZ
typical On resistance of the switch and the 50 pF load capacitance, when driven by an ideal voltage source (zero output impedance).
V
V
I
I
C
V
PLH
PZL
PLZ
OZ
CC
I
A
ON
I/O
IK
IH
CC
IN
IL
I
= )25_C, f = 1 MHz, Capacitance is characterized but not tested.
,
,
,
Clamp Diode Resistance
High−Level Input Voltage
Low−Level Input Voltage
Input Leakage Current
OFF−STATE Leakage Current
Switch On Resistance (Note 6)
Quiescent Supply Current
Increase In I
Prop Delay Bus to Bus
(Note 7)
Output Enable Time
Output Disable Time
Control Pin Input Capacitance
Input/Output Capacitance
Parameter
Parameter
CC
CC
= 5.0 V and T
per Input
Parameter
A
= 25_C.
I
0 v V
0 v A, B v V
V
V
V
V
V
One input at 3.4 V, Other inputs at V
V
V
V
V
V
IN
IN
IN
IN
IN
IN
I
I
I
I
I
= OPEN
= 7 V for t
= OPEN for t
= 7 V for t
= OPEN for t
= *18mA
= 0 V, I
= 0 V, I
= 2.4 V, I
= 2.4 V, I
= V
IN
CC
v 5.5 V
Conditions
or GND, I
IN
IN
http://onsemi.com
PZL
PLZ
IN
IN
= 64 mA
= 30 mA
CC
= 15 mA
= 15 mA
PZH
PHZ
Conditions
V
V
CC
CC
OUT
, OE = 5.0 V
= 5.0 V
4
= 0
Figures
3 and 4
3 and 4
3 and 4
Conditions
CC
or GND
V
Min
CC
1.0
1.5
4.0 to 5.5
4.0 to 5.5
= 4.5 to 5.5 V
V
4.5
5.5
5.5
4.5
4.5
4.5
4.0
5.5
5.5
(V)
CC
T
A
= *40_C to )85_C
Max
0.25
5.6
6.2
Limits
T
Min
2.0
A
= *40_C to )85_C
Min
Typ
V
Typ*
3
5
11
CC
4
4
8
= 4.0 V
*1.2
$1.0
$1.0
Max
0.25
Max
Max
6.1
5.6
0.8
2.5
15
20
7
7
3
Unit
Unit
Unit
mA
mA
mA
mA
pF
pF
ns
ns
ns
V
V
V
W