This document summarizes the simulation results of a USB switch component. It includes: 1) Leakage current characteristics at different input voltages 2) On resistance measurements at various voltages and currents 3) Propagation delay times and switching times between input and output signals 4) USB 2.0 eye pattern simulations to evaluate signal quality 5) Frequency response characteristics up to 10GHz

1. All Rights Reserved Copyright (c) Bee Technologies Inc. 2010
1
COMPONENTS: USB Switch
PART NUMBER: TC7USB221FT
MANUFACTURER: TOSHIBA
Device Modeling Report
Bee Technologies Inc.

2. All Rights Reserved Copyright (c) Bee Technologies Inc. 2010
2
Ctrl
U1
TC7USB221FT
VCC
S
D+
D-
OEB
GND
2D-
2D+
1D-
1D+
Circuit Configuration

3. All Rights Reserved Copyright (c) Bee Technologies Inc. 2010
3
VIN
IOFF
0
0
0
Ctrl
U1
TC7USB221FT
VCC
S
D+
D-
OEB
GND
2D-
2D+
1D-
1D+
0
0
V_VIN
0V 0.4V 0.8V 1.2V 1.6V 2.0V 2.4V 2.8V 3.2V 3.6V
I(IOFF)
0A
2.5uA
5.0uA
7.5uA
10.0uA
Power-Off Leakage Current Characteristics
Simulation result
Evaluation circuit
Simulation Result
Condition: VCC = 0 V, VIN = 0 to 3.6 V
Parameters Measurement Simulation %Error
IOFF (uA) 5.0 4.966 -0.68

4. All Rights Reserved Copyright (c) Bee Technologies Inc. 2010
4
ISZ
VIN
0
VCC
0
Ctrl
U1
TC7USB221FT
VCC
S
D+
D-
OEB
GND
2D-
2D+
1D-
1D+
0
VCC
0
Vcc
3.6V
VCC
V_VIN
0V 0.4V 0.8V 1.2V 1.6V 2.0V 2.4V 2.8V 3.2V 3.6V
I(ISZ)
0A
2.5uA
5.0uA
7.5uA
10.0uA
Off-State Leakage Current Characteristics
Simulation result
Evaluation circuit
Simulation Result
Condition: VCC = 2.3 to 3.6 V, VIS = 0 to VCC
Parameters Measurement Simulation %Error
ISZ (uA) 5.0 5.0 0

5. All Rights Reserved Copyright (c) Bee Technologies Inc. 2010
5
2
3
1
-
+
+
-
E1
E
0 0
0
Vcc
3V
VCC
VIS
0Vdc
00
Iis
30mAdc
0
Ctrl
U1
TC7USB221FT
VCC
S
D+
D-
OEB
GND
2D-
2D+
1D-
1D+F1 F
0
0
VCC
0
V_VIS
0V 0.4V 0.8V 1.2V 1.6V 2.0V 2.4V 2.8V
V(1,2)/I(Iis) V(1,3)/I(Iis)
0
5
10
15
20
25
ON Resistance Characteristics
Simulation result
Evaluation circuit
Simulation Result
Condition: VCC = 3V, IIS = 30mA to VCC
Parameters Measurement Simulation %Error
RON () (VIS=0V) 6.5 6.612 1.72
RON () (VIS=0.4V) 7.0 6.867 -1.90
RON () (VIS=3.0V) 13 13.034 0.26
RON () (VIS=0.4V, 1V) 0.5 0.499 -0.20

6. All Rights Reserved Copyright (c) Bee Technologies Inc. 2010
6
0
Vcc
VCCVCC
ICC
0
Ctrl
U1
TC7USB221FT
VCC
S
D+
D-
OEB
GND
2D-
2D+
1D-
1D+
VCC
0
V_Vcc
0V 0.4V 0.8V 1.2V 1.6V 2.0V 2.4V 2.8V 3.2V 3.6V
I(ICC)
0A
0.5uA
1.0uA
1.5uA
2.0uA
2.5uA
Quiescent Supply Current Characteristics
Simulation result
Evaluation circuit
Simulation Result
Condition: VCC = 3.6 V, VIN = VCC or GND, IOUT = 0
Parameters Measurement Simulation %Error
ICC (uA) 2.0 1.998 -0.10

7. All Rights Reserved Copyright (c) Bee Technologies Inc. 2010
7
0
0
0
VCC VCC
Vcc
3.3V
CL1
5p
Output1
0
0
V1
TD = 0
TF = 0.4n
PW = 2n
PER = 1
V1 = 0.4
TR = 0.4n
V2 = 0.8
0
Input+
R2
0.01
0 0
T1
Z0 = 0.01
TD = 0.16n
Ctrl
U1
TC7USB221FT
VCC
S
D+
D-
OEB
GND
2D-
2D+
1D-
1D+
Time
0s 0.4ns 1.2ns 2.0ns 2.8ns 3.6ns
1 V(Output1) 2 V(Input+)
0.4V
0.6V
0.8V
1.0V
1.2V
1.4V
1
0V
200mV
400mV
600mV
800mV
-300mV
2
>>
Propagation Delay Time Characteristics
Simulation result
Evaluation circuit
Simulation Result
Condition: VCC = 3.3 V, CL = 5pF, S = H or L
Parameters Measurement Simulation %Error
tpd (ns) (Note 1) 0.25 0.251 0.40
tSK(P) (ns) 0.1 [Typ.] 0.005 -
tSK(O) (ns) 0.1 [Typ.] 0 -
Input (D+, D-)
Output
(HSD+, HSD-)

8. All Rights Reserved Copyright (c) Bee Technologies Inc. 2010
8
V2
TD = 0
TF = 0.4n
PW = 2n
PER = 1
V1 = 0.4
TR = 0.4n
V2 = 0.8
0
Input-
R3
0.01
00
T2
Z0 = 0.01
TD = 0.16n
0
0
0
VCC VCC
Vcc
3.3V
CL1
5p
Output1
0
0
V1
TD = 0
TF = 0.4n
PW = 2n
PER = 1
V1 = 0.4
TR = 0.4n
V2 = 0.8
0
Input+
R2
0.01
0 0
T1
Z0 = 0.01
TD = 0.16n
Ctrl
U1
TC7USB221FT
VCC
S
D+
D-
OEB
GND
2D-
2D+
1D-
1D+
Note 1: Propagation Delay Time Characteristics of TC7USB31FK are
model using transmission line model with TD=0.16n and Z0 that is
matched with ZOUT of the input signal.

9. All Rights Reserved Copyright (c) Bee Technologies Inc. 2010
9
CL2
5p
RL2
50
V1
TD = 4.6n
TF = 0.8n
PW = 20.2n
PER = 1
V1 = 1.8
TR = 0.8n
V2 = 0
0
0
VCC
0
VCC
Vcc
3V
VCC
R2 50
Input
0
Ctrl
U1
TC7USB221FT
VCC
S
D+
D-
OEB
GND
2D-
2D+
1D-
1D+
VCC
R3 50
0 0
Output1
CL1
5p
RL1
50
0
Output2
0
Time
0s 4ns 8ns 12ns 16ns 20ns 24ns 28ns 32ns 36ns
V(Output1)/1.4
0V
0.5V
1.0V
SEL>>
V(Input)
0V
1.0V
2.0V
Turn ON/Turn OFF Time (OE to Output) Characteristics
Simulation result
Evaluation circuit
Simulation Result
Condition: VCC = 3 V, RL = 5, CL = 5pF, S = L
Parameters Measurement Simulation %Error
tON (ns) 7.5 7.185 -4.20
tOFF (ns) 3.3 3.354 1.64

10. All Rights Reserved Copyright (c) Bee Technologies Inc. 2010
10
CL2
5p
RL2
50
Input
0
V1
TD = 4.6n
TF = 0.8n
PW = 20.2n
PER = 1
V1 = 1.8
TR = 0.8n
V2 = 0
0
0
VCC
0
VCC
Vcc
3V
VCC
R2 50
Ctrl
U1
TC7USB221FT
VCC
S
D+
D-
OEB
GND
2D-
2D+
1D-
1D+
VCC
R3 50
0 0
Output1
CL1
5p
RL1
50
0
Output2
0
Time
0s 4ns 8ns 12ns 16ns 20ns 24ns 28ns 32ns 36ns
V(Output1)/1.4
0V
0.5V
1.0V
SEL>>
V(Input)
0V
1.0V
2.0V
Turn ON/Turn OFF Time (S to Output) Characteristics
Simulation result
Evaluation circuit
Simulation Result
Condition: VCC = 3 V, RL = 5, CL = 5pF
Parameters Measurement Simulation %Error
tON (ns) 7.5 7.192 -4.11
tOFF (ns) 3.3 3.365 1.97

11. All Rights Reserved Copyright (c) Bee Technologies Inc. 2010
11
V1
TD = {4.16n*3}
TF = 0.4n
PW = 1.68n
PER = 4.16n
V1 = -0.8
TR = 0.4n
V2 = 0.8
0
0
0
Rout1+
45
Rout1-
45
V2
TD = {4.16n*3}
TF = 0.4n
PW = 1.68n
PER = 4.16n
V1 = 0.8
TR = 0.4n
V2 = -0.8
0
VCC
0 0
T1
Z0 = 45
TD = 1.6n
0 0
T2
Z0 = 45
TD = 1.6n
OUT1-
OUT1+
0
0
R2
45
R3
45
0
Vcc
3.3V
VCC
Ctrl
U1
TC7USB221FT
VCC
S
D+
D-
OEB
GND
2D-
2D+
1D-
1D+
Rout1+1
45
Rout1-1
45
OUT2+
OUT2-
eye_sweep(4.16n,0.8n)
-2.0n -1.8n -1.6n -1.4n -1.2n -1.0n -0.8n -0.6n -0.4n -0.2n
V(OUT1+) V(OUT1-)
-500mV
-400mV
-300mV
-200mV
-100mV
-0mV
100mV
200mV
300mV
400mV
500mV
USB2.0 Eye Pattern Characteristics
Simulation result
Evaluation circuit

12. All Rights Reserved Copyright (c) Bee Technologies Inc. 2010
12
0
0
RL
50
0
R2
50
Output1
V1
1Vac
0Vdc
Input
0
VCC VCC
Vcc
3V
0
0
RL1
50
0
Output2
Ctrl
U1
TC7USB221FT
VCC
S
D+
D-
OEB
GND
2D-
2D+
1D-
1D+
Frequency
10MHz 100MHz 1.0GHz 10GHz
DB(V(Output1)/V(Input)) DB(V(Output2)/V(Input))
-5.0
-4.0
-3.0
-2.0
-1.0
0
Frequency Characteristics
Simulation result
Evaluation circuit