TC7WBL3305CFK,TC7WBL3306CFK
CMOS Digital Integrated Circuits
Silicon Monolithic
TC7WBL3305CFK,TC7WBL3306CFK
1. Functional Description
•
Low-Voltage, Low-Capacitance Dual Bus Switch
2. General
The TC7WBL3305CFK and TC7WBL3306CFK are Low Voltage/Low Capacitance CMOS 2bit Bus Switches. The
low ON-resistance of the switch allows connections to be made with minimal propagation delay time.
The TC7WBL33306CFK requires the output enable (OE) input to be set high to place the output into the high
impedance state, whereas the TC7WBL3305CFK requires the output enable (OE) input to be set low to place the
output into the high impedance.
All inputs are equipped with protection circuits against static discharge.
3. Features
(1)
Operating voltage: VCC = 1.65 to 3.6 V
(2)
ON capacitance: CI/O = 7 pF Switch On (typ.) @VCC = 3.0 V
(3)
ON resistance: RON = 6.0 Ω (typ.) @VCC = 3.0 V, VIS = 0 V
(4)
ESD performance: Machine model ≥ ±200 V
(5)
Power-down protection for inputs (OE and OE, I/O)
(6)
Package: US8
Human body model ≥ ±2000 V
4. Packaging
US8
Start of commercial production
©2017-2020
Toshiba Electronic Devices & Storage Corporation
1
2009-03
2020-08-27
Rev.2.0
TC7WBL3305CFK,TC7WBL3306CFK
5. Pin Assignment
TC7WBL3305CFK
TC7WBL3306CFK
6. Marking
TC7WBL3305CFK
TC7WBL3306CFK
7. Block Diagram
TC7WBL3305CFK
TC7WBL3306CFK
8. Truth Table
Inputs OE
(TC7WBL3305CFK)
Inputs OE
(TC7WBL3306CFK)
Function
H
L
A port = B port
L
H
Disconnect
©2017-2020
Toshiba Electronic Devices & Storage Corporation
2
2020-08-27
Rev.2.0
TC7WBL3305CFK,TC7WBL3306CFK
9. Absolute Maximum Ratings (Note)
Characteristics
Symbol
Test Condition
Rating
Unit
Supply voltage
VCC
-0.5 to 4.6
V
Input voltage (OE, OE)
VIN
-0.5 to 4.6
V
Switch I/O voltage
VS
-0.5 to 4.6
V
VCC = 0 V or Switch = Off
Switch = On
-0.5 to VCC +0.5
Clamp diode current
IIK
-50
mA
Switch I/O current
IS
50
mA
Power dissipation
VCC/ground current
Storage temperature
Note:
PD
200
mW
ICC/IGND
±100
mA
Tstg
-65 to 150
Exceeding any of the absolute maximum ratings, even briefly, lead to deterioration in IC performance or even
destruction.
Using continuously under heavy loads (e.g. the application of high temperature/current/voltage and the
significant change in temperature, etc.) may cause this product to decrease in the reliability significantly even
if the operating conditions (i.e. operating temperature/current/voltage, etc.) are within the absolute maximum
ratings and the operating ranges.
Please design the appropriate reliability upon reviewing the Toshiba Semiconductor Reliability Handbook
(“Handling Precautions”/“Derating Concept and Methods”) and individual reliability data (i.e. reliability test report
and estimated failure rate, etc).
10. Operating Ranges (Note)
Characteristics
Symbol
Test Condition
Rating
Unit
1.65 to 3.6
V
0 to 3.6
V
0 to 3.6
V
Supply voltage
VCC
Input voltage (OE, OE)
VIN
Switch I/O voltage
VS
Operating temperature
Topr
-40 to 85
Input rise time
dt/dv
0 to 10
ns/V
VCC = 0 V or Switch = Off
Switch = On
Note:
0 to VCC
The operating ranges must be maintained to ensure the normal operation of the device.
Unused control inputs must be tied to either VCC or GND.
©2017-2020
Toshiba Electronic Devices & Storage Corporation
3
2020-08-27
Rev.2.0
TC7WBL3305CFK,TC7WBL3306CFK
11. Electrical Characteristics
11.1. DC Characteristics (Unless otherwise specified, Ta = -40 to 85 )
Characteristics
Symbol
Note
Test Condition
VCC (V)
Min
Typ.
Max
Unit
High-level input voltage
(OE, OE)
VIH
1.65 to 3.6
0.7 × VCC
V
Low-level input voltage
(OE, OE)
VIL
1.65 to 3.6
0.3 × VCC
V
Input leakage current
(OE, OE)
IIN
1.65 to 3.6
±1.0
µA
VIN = 0 to 3.6 V
Power-OFF leakage current
IOFF
OE, OE, A, B = 0 to
3.6 V
0
10
µA
Switch OFF-state leakage
current
ISZ
A, B = 0 V to VCC,
OE = GND
(TC7WBL3305CFK),
OE = VCC
(TC7WBL3306CFK)
1.65 to 3.6
±1.0
µA
(Note 1), VIS = 0 V,
(Note 2) IIS = 30 mA
3.0
6.0
10.5
Ω
VIS = 3.0 V,
IIS = 30 mA
3.0
11
17
VIS = 2.4 V,
IIS = 15 mA
3.0
12
19
VIS = 0 V,
IIS = 24 mA
2.3
6.5
12
VIS = 2.3 V,
IIS = 24 mA
2.3
13
21
VIS = 2.0 V,
IIS = 15 mA
2.3
15
22
VIS = 0 V,
IIS = 4 mA
1.65
8
14
VIS = 1.65 V,
IIS = 4 mA
1.65
18
27
VIN = VCC or GND,
IOUT = 0 A
3.6
10
ON-resistance
Quiescent supply current
RON
ICC
µA
Note 1: All typical values are at Ta = 25 .
Note 2: Measured by the voltage drop between A and B pins at the indicated current through the switch. On-resistance
is determined by the lower of the voltages on the two (A or B) pins.
11.2. AC Characteristics (Unless otherwise specified, Ta = -40 to 85 )
Characteristics
Output enable time
Output disable time
Symbol
Test Condition
VCC (V)
Min
Max
Unit
tPZL,tPZH See Fig. 11.2.1, 11.2.2,
Table 11.2.1
3.3 ± 0.3
6
ns
tPLZ,tPHZ See Fig. 11.2.1, 11.2.2,
Table 11.2.1
©2017-2020
Toshiba Electronic Devices & Storage Corporation
4
2.5 ± 0.2
7
1.8 ± 0.15
10
3.3 ± 0.3
6
2.5 ± 0.2
7
1.8 ± 0.15
10
ns
2020-08-27
Rev.2.0
TC7WBL3305CFK,TC7WBL3306CFK
11.3. Capacitive Characteristics (Note) (Unless otherwise specified, Ta = 25 )
Characteristics
Symbol
Test Condition
VCC (V)
Typ.
Unit
Input capacitance
CIN
VIN = 0 V
3.0
4
pF
Switch terminal OFF-capacitance
CI/O
OE = GND(TC7WBL3305CFK),
OE = VCC(TC7WBL3306CFK),
VIS = 0 V
3.0
3.5
pF
Switch terminal ON-capacitance
CI/O
OE = VCC(TC7WBL3305CFK),
OE = GND(TC7WBL3306CFK),
VIS = 0 V
3.0
7
pF
Note:
Parameter guaranteed by design.
Fig. 11.2.1 AC Test Circuit
Table 11.2.1 Parameter for AC Test Circuit
Parameter
Switch
tPLZ, tPZL
2 × VCC
tPHZ, tPZH
GND
Fig. 11.2.2 AC Waveform tPLZ, tPHZ, tPZL, tPZH
©2017-2020
Toshiba Electronic Devices & Storage Corporation
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2020-08-27
Rev.2.0
TC7WBL3305CFK,TC7WBL3306CFK
12. Rise and Fall Time (tr/tf)
The tr(out) and tf(out) values of the output signals are affected by the CR time constant of the input, which consists
of the switch terminal capacitance (CI/O) and the on-resistance (RON) of the input.
In practice, the tr(out) and tf(out) values are also affected by the circuit's capacitance and resistance components
other than those of the TC7WBL3305CFK, TC7WBL3306CFK.
The tr(out)/tf(out) values can be approximated as follows. (Figure 12.1, Table 12.1 shows the test circuit.)
tr(out)/tf(out) (approx) = - (CI/O + CL) (RDRIVE + RON) ln (((VOH - VOL) - VM) / (VOH - VOL))
Where, RDRIVE is the output impedance of the previous-stage circuit.
Calculation example:
tr(out) (approx) = - (7 + 15) E - 12 (120 + 6) ln (((3.0 - 0) - 1.5) / (3.0 - 0)) ≈ 1.9 ns
Calculation conditions:
VCC = 3.0 V, CL = 15 pF, RDRIVE = 120 Ω (output impedance of the previous IC), VM = 1.5 V (VCC/2)
Output of the previous IC = digital (i.e., high-level voltage = VCC, low-level voltage = GND)
Fig. 12.1 Calculation Circuit
Table 12.1 Calculation Circuit
Characteristics
VCC = 3.3 ± 0.3 V
VCC = 2.5 ± 0.2 V
VCC = 1.8 ± 0.15 V
VM
VCC/2
VCC/2
VCC/2
©2017-2020
Toshiba Electronic Devices & Storage Corporation
6
2020-08-27
Rev.2.0
TC7WBL3305CFK,TC7WBL3306CFK
13. Characteristics Curves (Note)
Fig. 13.1 RON - VIS (Ta = 25 )
Note:
The above characteristics curves are presented for reference only and not guaranteed by production test,
unless otherwise noted.
©2017-2020
Toshiba Electronic Devices & Storage Corporation
7
2020-08-27
Rev.2.0
TC7WBL3305CFK,TC7WBL3306CFK
Package Dimensions
Unit: mm
Weight: 0.01 g (typ.)
Package Name(s)
JEDEC: SOT-765
Nickname: US8
©2017-2020
Toshiba Electronic Devices & Storage Corporation
8
2020-08-27
Rev.2.0
TC7WBL3305CFK,TC7WBL3306CFK
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Toshiba Electronic Devices & Storage Corporation
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2020-08-27
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