UCA9617L-SM2-R datasheet(5/8 Pages) UTC

5 / 8 page

UCA9617

Preliminary

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

5 of 8

www.unisonic.com.tw

QW-R140-017.a



ELECTRICAL CHARACTERISTICS (Cont.)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

ENABLE

LOW-level input voltage

VIL

0.3×

VCC(B)

HIGH-level input voltage

VIH

0.7×

VCC(B)

5.5

LOW-level input current on pin

IIL(EN)

VI=0.2V,EN, VCC(B)=2.2V

-25

-4

μA

DYNAMIC CHARACTERISTICS

LOW to HIGH propagation delay

tPLH

Port B~Port A, Figure 4

-103

LOW to HIGH propagation delay2

tPLH2

Port B~Port A, Figure 4

130

HIGH to LOW propagation delay

tPHL

Port B~Port A, Figure 2

152

LOW to HIGH output transition

time

tTLH

Port A, Figure 2

falling slew rate

SRf

Port A, 0.7VCC(A)~0.3VCC(A)

0.022

0.037

0.14

v/nS

LOW to HIGH propagation delay

tPLH

Port A~Port B, Figure 3

137

HIGH to LOW propagation delay

tPHL

Port A~Port B, Figure 3

173

LOW to HIGH output transition

time

tTLH

Port B, Figure 3

falling slew rate

SRf

Port B, 0.7VCC(B)~0.3VCC(B)

0.029

0.056

0.4

v/nS

enable time

ten

Quiescent-0.3V, EN HIGH to

enable, Figure 5

100

disable time

tdis

Quiescent+0.3V, EN LOW to

disable, Figure 5

100

Notes: 1. VCC(A) may be as high as 5.5V for overvoltage tolerance but 0.4VCC(A)+0.8V ≤ VCC(B) for the channels to be

enabled and functional normally.

2. For part to function, 0.4VCC(A) must be equal or less than VCC(B) - 0.8V. The voltage on the A port can still

be up to 5.5V without damage to the pins.

3. Pull-up should result in IOL≥150μA.

4. Guaranteed by design and characterization.

5. VIL for port A with envelope noise must be below 0.3VCC(A) for stable performance.

6. When VCC(A) is less than 1V, care is required to make certain that the system ground offset and noise are

minimized such that there is reasonable difference between the VIL present at the UCA9617 A-side input

and the 0.25VCC(A) input threshold.

7. Power supply decoupling capacitors need to be present for both VCC(A) and VCC(B) and the 0.1uF

decoupling for VCC(B) needs to be located near the VCC(B) pin.

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