TC7WB383FK(TE85L.F) - TOSHIBA

TC7WB383FK

2007-10-19

TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic

TC7WB383FK

2-Bit Bus Exchange Switch

The TC7WB383FK is a low on-resistance, high-speed CMOS

2-bit bus exchange switch. This bus switch allows the connections

or disconnections to be made with minimal propagation delay

while maintaining Low power dissipation which is the feature of

CMOS.

When output enable (OE) is at high level, the switches are off.

When at low level, the switches are on, and by the logic of EX

terminal, It can choose whether 2 bits data are transferred to the

corresponding terminal as it is, or the data are transferred to a

terminal with exchanging data line. Therefore it may be used as

2 to 1 multiplexer switch.

Since the switch channels consist of N type MOSFET, the high

level output voltage is provided about 1 V lower than VCC level.

All inputs are equipped with protection circuits to protect the device from static discharge.

Features

• Operating voltage: VCC = 4.5~5.5 V

• High speed operation: tpd = 0.25 ns (max)

• Ultra-low on resistance: RON = 5 Ω (typ.)

• ESD performance: Machine model ≥ ±200 V

Human body model ≥ ±2000 V

• TTL level input (control input)

• Package: US8

Pin Assignment (top view)

Weight: 0.01 g (typ.)

VCC

C1 D1

7 6 5

1 2 3 4

GND

A1 B1

W B

3 8 3

TC7WB383FK

2007-10-19

Truth Table

OE EX A1 B1 C1 D1 Function

H X Hi-Z Disconnect

L L A1 = C1, B1 = D1 Connect

L H A1 = D1, B1 = C1 Exchange

System Diagram

Absolute Maximum Ratings (Note)

Characteristics Symbol Rating Unit

Power supply voltage VCC −0.5~7.0 V

Control pin input voltage VIN −0.5~7.0 V

Switch terminal I/O voltage VS −0.5~7.0 V

Clump diode current IIK −50 mA

Switch I/O current IS 128 mA

Power dissipation PD 200 mW

DC VCC/GND current ICC/IGND ±100 mA

Storage temperature Tstg −65~150 °C

Note: 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).

Operating Ranges (Note)

Characteristics Symbol Rating Unit

Power supply voltage VCC 4.5~5.5 V

Control pin input voltage VIN 0~5.5 V

Switch I/O voltage VS 0~5.5 V

Operating temperature Topr −40~85 °C

Control pin input rise/fall time dt/dv 0~10 ns/V

Note: The operating ranges must be maintained to ensure the normal operation of the device.

Unused inputs must be tied to either VCC or GND.

B1 D1

TC7WB383FK

2007-10-19

Electrical Characteristics

DC Characteristics (Ta = −40~85°C)

Characteristics Symbol Test Condition

VCC (V)

Min Typ.

(Note 1) Max Unit

“H” level VIH ⎯ 4.5~5.5 2.0 ⎯ ⎯

Control pin input

voltage “L” level VIL ⎯ 4.5~5.5 ⎯ ⎯ 0.8

Input leakage current IIN VIN = 0~5.5 V 4.5~5.5 ⎯ ⎯ ±1.0 μA

Power off leakage current IOFF A, B,

OE = 0~5.5 V 0 ⎯ ⎯ ±1.0

μA

Off-state leakage current

(switch off) ISZ A, B = 0~5.5 V, OE = VCC 4.5~5.5 ⎯ ⎯ ±1.0 μA

IIS = 64 mA 4.5 ⎯ 5 7

VIS = 0 V

IIS = 30 mA 4.5 ⎯ 5 7

ON resistance (Note 2) RON

VIS = 2.4 V, IIS = 15 mA 4.5 ⎯ 10 15

ICC VIN = VCC or GND

IOUT = 0 5.5 ⎯ ⎯ 10 mA

Quiescent supply current

ΔICC V

IN = 3.4 V (one input) 5.5 ⎯ ⎯ 2.5 mA

Note 1: The typical values are at VCC = 5 V, Ta = 25°C.

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 two (A or B) pins.

AC Characteristics (Ta = −40~85°C)

Characteristics Symbol Test Condition

VCC (V)

Min Max Unit

Propagation delay time

(bus to bus)

tpLH

tpHL

Figure 1, Figure 2 (Note) 4.5 ⎯ 0.25 ns

Propagation delay time

(EX to bus)

tpLH

tpHL Figure 1, Figure 3 4.5 ⎯ 4.5 ns

Output enable time tpZL

tpZH

Figure 1, Figure 4 4.5 ⎯ 4.5 ns

Output disable time tpLZ

tpHZ

Figure 1, Figure 4 4.5 ⎯ 5.5 ns

Note: 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 50 pF load capacitance, when driven

by an ideal voltage the source (zero output impedance).

Capacitive Characteristics (Ta = 25°C)

Characteristics Symbol Test Condition

VCC (V)

Typ. Unit

Control pin input capacitance CIN (Note) 5.0 3 pF

Switch terminal capacitance CI/O OE = VCC (Note) 5.0 17 pF

Note: This item is guaranteed by design.

TC7WB383FK

2007-10-19

AC Test Circuit

AC Waveform

Parameter Switch

tpLH, tpHL Open

tpLZ, tpZL 7.0 V

tpHZ, tpZH Open

7.0 V

GND

Switch

Out

ut Measure

CL = 50 pF

RL = 500 Ω

RL RL

Figure 1

tf 2.5 ns

90%

10%

Input

(A, B, C, D)

GND

3.0 V

tr 2.5 ns

1.5 V

Output

(A, B, C, D)

VOL

VOH

1.5 V

tpLH tpHL

Figure 2 tpLH, tpHL

Figure 3 tpLH, tpHL

tf 2.5 ns

90%

10%

Exchange

(EX)

GND

3.0 V

tr 2.5 ns

1.5 V

Output

(A, B, C, D)

VOL

VOH

1.5 V

tpLH tpHL

Output

(A, B, C, D)

VOL

VOH

1.5 V

tpHL tpLH

TC7WB383FK

2007-10-19

Figure 4 tpLZ, tpHZ, tpZL, tpZH

90%

10%

VOL

3.5 V

GND

3.0 V

1.5 V

tpHZ tpZH

1.5 V

GND

VOH

Outputs

enabled

1.5 V

tpLZ tpZL

VOH − 0.3 V

Outputs

disabled

Outputs

enabled

Output Enable

(OE )

Output (A, B, C, D)

Low to Off to Low

Output (A, B, C, D)

High to Off to High

VOL +

0.3 V

tf 2.5 nstr 2.5 ns

TC7WB383FK

2007-10-19

Package Dimensions

Weight: 0.01 g (typ.)

TC7WB383FK

2007-10-19

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