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PI3B33X257BE

P1-P3P4-P4
1
PS8334D 11/01/04
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48
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IA0
IA1
IB0
IB1
YA
YB
GND
S0
S1
IE0
IE1
IF0
IF1
YE
YF
GND
S2
II0
II1
IJ0
IJ1
YI
YJ
GND YK
IK1
IK0
YL
IL1
IL0
E2
VCC
YG
IG1
IG0
YH
IH1
IH0
VCC
YC
IC1
IC0
YD
ID1
ID0
VCC
E1
E0
Description
Pericom Semiconductor’s PI3B33X257 is a 3.3V, 24:12 multiplexer/
demultiplexer with three-state outputs. Inputs can be connected
to outputs with low on resistance (5Ω) with no additional ground
bounce noise or propagation delay.
Block DiagramPin Conguration
Features
• Near-Zero propagation delay
• 5Ω switches connect inputs to outputs
• Direct bus connection when switches are ON
• Ultra Low Quiescent Power (0.2µA Typical)
– Ideally suited for notebook applications
• TTL - compatible control of input levels
• Fast switching speed - 4.5ns max.
• Packaging (Pb-free & Green available):
- 48-pin 150-mil wide BQSOP (B)
PI3B33X257
3.3V, 24:12 Mux/DeMux NanoSwitch
™
E0
IA0
IA1
IB0
IB1
IC0
IC1
ID0
ID1
S0
YA
YB
YC
YD
E1
IE0
IE1 IF0 IF1 IG0 IG1 IH0 IH1
S1
YE YF YG YH
E2
II0
II1 IJ0 IJ1 IK0 IK1 IL0 IL1
S2
YI YJ YK YL
A B
OE
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
2
PS8334D 11/01/04
PI3B33X257
3.3V, 24:12 Mux/DeMux NanoSwitch
™
Pin Description
Pin Name Description
IA
n
-IL
n
Data Inputs
S Select Inputs
En Enable
Y
A
-Y
L
Data Outputs
GND Ground
V
CC
Power
NC No Connect
DC Electrical Characteristics (Over the Operating Range, T
A
= –40°C to +85°C, V
CC
= 3.3V ±5%)
Parameters Description Test Conditions
(1)
Min. Typ.
(2)
Max. Units
V
IH
Input HIGH Voltage Guaranteed Logic HIGH Level 2.0
V
V
IL
Input LOW Voltage Guaranteed Logic LOW Level –0.5 0.8
I
IH
Input HIGH Current V
CC
= Max., V
IN
= V
CC
±50
µA
I
IL
Input LOW Current V
CC
= Max., V
IN
= GND ±1
I
OZH
High Impedance Output
Current
0 ≤ I, Y ≤ V
CC
±50
V
IK
Clamp Diode Voltage V
CC
= Min., I
IN
= –18mA –1.2 V
R
ON
Switch On-Resistance
(3)
V
CC
= Min., V
IN
= 0.0V, I
ON
= 48mA or 64mA 5 7
Ω
V
CC
= Min., V
IN
= 2.4V, I
ON
= 15mA 10 15
Storage Temperature ............................................................–65°C to +150°C
Ambient Temperature with Power Applied ........................... –40°C to +85°C
Supply Voltage to Ground Potential ....................................... –0.5V to +4.6V
DC Input Voltage ....................................................................–0.5V to +4.6V
DC Output Current............................................................................... 120mA
Power Dissipation ................................................................................... 0.5W
Note:
Stresses greater than those listed under MAXIMUM RAT-
INGS may cause permanent damage to the device. This is
a stress rating only and functional operation of the device
at these or any other conditions above those indicated in
the operational sections of this specication is not implied.
Exposure to absolute maximum rating conditions for ex-
tended periods may affect reliability.
Maximum Ratings
(Above which the useful life may be impaired. For user guidelines, not tested.)
Truth Table
(1)
En Sn YA
(2)
YB
(2)
YC
(2)
YD
(2)
Function
H X Hi-Z Hi-Z Hi-Z Hi-Z Disable
L L
I
A
0 I
B
0 I
C
0 I
D
0
S = 0
L H
I
A
1 I
B
1 I
C
1 I
D
1
S = 1
Notes:
1. H = High Voltage Level,
L = Low Voltage Level
2. n = 0 YA, YB, YC, YD,
n = 1 YE, YF, YG, YH,
n = 2 YI, YJ, YK, YL
3
PS8334D 11/01/04
PI3B33X257
3.3V, 24:12 Mux/DeMux NanoSwitch
™
Power Supply Characteristics
Parameters Description
Test Conditions
(1)
Min.
Typ.
(2)
Max. Units
I
CC
Quiescent Power
Supply Current
V
CC
= Max. V
IN
= GND or V
CC
0.1 9.0
µA
ΔI
CC
Supply Current per
Input @ TTL HIGH
V
CC
= Max. V
IN
= 3.0V
(3)
750
Notes:
1. For Max. or Min. conditions, use appropriate value specied under Electrical Characteristics for the applicable device.
2. Typical values are at V
CC
= 3.3V, +25°C ambient.
3. Per TTL driven input (V
IN
= 3.4V, control inputs only); I and Y pins do not contribute to I
CC
.
Switching Characteristics over Operating Range
Parameters Description
Test Conditions
(1)
Com.
Units
Min. Max.
t
IY
Propagation Delay
(2,3)
In to Yn
C
L
= 50pF
R
L
= 500Ω
0.25
ns
t
SY
Bus Select Time
Sn to Yn
1 4.5
t
PZH
t
PZL
Bus Disable Time
E to Yn
1 4.5
t
PHZ
t
PLZ
Bus Disable Time
E to Yn
1 4.8
Notes:
1. See test circuit and waveforms.
2. This parameter is guaranteed but not tested on Propagation Delays.
3. The bus switch contributes no propagational delay other than the RC delay of the ON resistance of the switch and the load capacitance. The
time constant for the switch alone is of the order of 0.25ns for 50pF load. Since this time constant is much smaller than the rise/fall times of
typical driving signals, it adds very little propagational delay to the system. Propagational delay of the bus switch when used in a system is
determined by the driving circuit on the driving side of the switch and its interaction with the load on the driven side.
Capacitance (T
A
= 25°C, f = 1 MHz)
Parameters
(4)
Description Test Conditions Typ. Max. Units
C
IN
Input Capacitance
V
IN
= 0V
3.0
pFC
OFF
In/Yn Capacitance, Switch Off 17.0
C
ON
In/Yn Capacitance, Switch On 25.0
Notes:
1. For Max. or Min. conditions, use appropriate value specied under Electrical Characteristics for the applicable device type.
2. Typical values are at V
CC
= 3.3V, T
A
= 25°C ambient and maximum loading.
3. Measured by the voltage drop between I and Y pin at indicated current through the switch. ON resistance is determined by the lower of the
voltages on the two (I,Y) pins.
4. This parameter is determined by device characterization but is not production tested.
P1-P3P4-P4

PI3B33X257BE

Mfr. #:
Buy PI3B33X257BE
Manufacturer:
Diodes Incorporated
Description:
Encoders, Decoders, Multiplexers & Demultiplexers 3v 24:12 Bus Switch
Lifecycle:
New from this manufacturer.
Delivery:
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