FSTU3253QSC datasheet(4/7 Pages) FAIRCHILD

tên linh kiện	FSTU3253QSC

Giải thích chi tiết về linh kiện	Dual 4:1 Multiplexer/Demultiplexer Bus Switch

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AC Electrical Characteristics

Note 6: 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 50pF load capacitance, when driven by an ideal voltage the source (zero output impedance).

Capacitance (Note 7)

Note 7: TA = +25°C, f = 1 MHz, Capacitance is characterized but not tested.

Undershoot Characteristic (Note 8)

Note 8: This test is intended to characterize the device’s protective capabilities by maintaining output signal integrity during an input transient voltage

undershoot event.

FIGURE 1.

Device Test Conditions

Transient

Input Voltage (VIN) Waveform

Symbol

Parameter

TA = −40 °C to +85 °C

CL = 50pF, RU = RD = 500Ω

Units

Conditions

Figure

Number

VCC = 4.5 – 5.5V

VCC = 4.0V

Min

Max

Min

Max

tPHL, tPLH

Propagation Delay Bus to Bus (Note 6)

0.25

ns

VI = OPEN

Figures

2, 3

Propagation Delay, Select to Bus A

0.5

5.7

6.2

tPZH, tPZL

Output Enable Time, Select to Bus B

0.5

5.7

6.3

ns

VI = 7V for tPZL

Figures

2, 3

Output Enable Time, IOE to Bus A, B

0.5

4.9

5.4

VI = OPEN for tPZH

tPHZ, tPLZ

Output Disable Time, Select to Bus B

0.5

6.2

6.3

ns

VI = 7V for tPLZ

Figures

2, 3

Output Disable Time, IOE to Bus A, B

0.5

6.0

6.1

VI = OPEN for tPHZ

Symbol

Parameter

Typ

Max

Units

Conditions

CIN

Control Pin Input Capacitance

3

pF

VCC = 5.0V

CI/O

A Port

Input/Output Capacitance

13

pF

VCC, OE = 5.0V

B Port

5

pF

Symbol

Parameter

Min

Typ

Max

Units

Conditions

VOUTU

Output Voltage During Undershoot

2.5

VOH - 0.3

V

Figure 1

Parameter

Value

Units

VIN

see Waveform

V

R1 = R2

100K

Ω

VTRI

11.0

V

VCC

5.5

V

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nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Fairchild Semiconductor	FSTU3257	89Kb / 7P	Quad 2:1 Multiplexer/Demultiplexer Bus Switch with -2V Undershoot Protection
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