ST6G3244ME datasheet(15/27 Pages) STMICROELECTRONICS

номер детали	ST6G3244ME

подробное описание детали	Level translator for SD, SDIO, mini SD, and micro SD Cards with internal I/O supply and ±15 kV ESD protection

PDF	27 Pages

Scroll/Zoom	100%

производитель	STMICROELECTRONICS [STMicroelectronics]

домашняя страница	http://www.st.com

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15 / 27 page

ST6G3244ME

Data transmission

Doc ID 022157 Rev 2

15/27

Figure 5.

Symbol definitions of tPLH, tPHL, tr and tf for AC characteristics

INPUT

OUTPUT

50 %

20 %

80 %

VCCA or VCCB

0 V

VCCA or VCCB

0 V

tPLH

tPHL

AM04959v1

Table 12.

AC characteristics (TA = –40 °C to 85 °C)

Symbol

Parameter

Test condition

Min. Typ. Max.

Unit

tPHL

Propagation delay HL from host to SD

See

Section 6.1

VCCB = 1.8 V

3.2

VCCB = 2.9 V

3.2

tPLH

Propagation delay LH from host to SD

See

Section 6.1

VCCB = 1.8 V

3.2

VCCB = 2.9 V

3.2

tPHL

Propagation delay HL from SD to host

See

Section 6.2

VCCB = 1.8 V

3.0

VCCB = 2.9 V

2.8

tPLH

Propagation delay LH from SD to host

See

Section 6.2

VCCB = 1.8 V

3.0

VCCB = 2.9 V

2.8

Rise time from host to SD

See

Section 6.1

VCCB = 1.8 V

2.0

VCCB = 2.9 V

2.0

Rise time from SD to host

See

Section 6.2

VCCB = 1.8 V

2.0

VCCB = 2.9 V

2.0

Fall time from host to SD

See

Section 6.1

VCCB = 1.8 V

2.0

VCCB = 2.9 V

2.0

Fall time from SD to host

See

Section 6.2

VCCB = 1.8 V

2.0

VCCB = 2.9 V

2.0

tTA

Turn-around time (direction switch

response, for all channels)(1)

VCCB = 1.8 V or

2.9 V,

CL = 15 pF

7.5

tSKEW

Delay differences from host to SD

See

Section 6.1

See

Section 6.3

–0.5

0.5

tCH2CH-SKEW Channel-to-channel skew

–0.5

0.5

tSKEW.f

CLK-f to CMD, DAT delay (valid for PCB

trace lengths from 20 mm to 100 mm)

See

Section 6.2

See

Section 6.4

0.3

1.2

tP_CLKF

Propagation delay from CLK feedback

See

Section 6.2

VCCB = 1.8 V

5.7

13.5

VCCB = 2.9 V

5.5

9.5

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