ST6G3244ME datasheet(6/27 Pages) STMICROELECTRONICS

Numer części	ST6G3244ME

Szczegółowy opis	Level translator for SD, SDIO, mini SD, and micro SD Cards with internal I/O supply and 짹15 kV ESD protection

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Producent	STMICROELECTRONICS [STMicroelectronics]

Strona internetowa	http://www.st.com

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6 / 27 page

Functional description

ST6G3244ME

6/27

Doc ID 022157 Rev 2

2

Functional description

Figure 1.

Pin connections

DAT2.h

DAT3.h

CMD.h

DAT0.h

DAT1.h

VCCA

CLK.h

CLK-f

GND

DAT0.dir

VCCB_OUT

VBAT

EN

CMDB

A

B

C

D

E

12

3

4

CMD.dir

CD

DAT123.di r

GND

WP

DAT2B

DAT3B

CLKB

DAT0B

DAT1B

5

DAT2.h

DAT3.h

CMD.h DAT0.h

DAT1.h

VCCA

CLK.h

CLK-f

GND

DAT0.di r

VCCB_OUT

VBAT

EN

CMDB

A

B

C

D

E

54

3

2

CMD.di r

CD

DAT123.dir

GND

WP

DAT2B

DAT3B

CLKB

DAT0B

DAT1B

1

Top through view

Bump side view

SEL

AM04955v1

Table 2.

Signal names (1)

Pin name

Bump

Type

Side

Description

VCCA

B3

Input

A

Host side positive power supply (1.8 V)

VCCB_OUT

B4

Output

B

Internal supply voltage decoupling, VCCB LDO output

VBAT

A4

Input

A

Battery power supply (3.0 - 5.0 V)

GND

C4

Ground

-

Ground

GND

C3

Ground

-

Ground

EN

C2

Input

A

Enable, active-high

SEL

B2

Input

A

VCCB selection (B-side supply voltage, 1.8 V/2.9 V)

CMD.dir

A2

Input

A

Command direction control

CMD.h

D2

I/O

A

Host side command

CLK.h

C1

Input

A

Host side clock input

CLK-f

E2

Output

A

Clock feedback to host

DAT0.dir

A3

Input

A

DAT0 direction control

DAT0.h

D1

I/O

A

Host side data input/output

DAT123.dir

E3

Input

A

DAT1, DAT2, DAT3 direction control

DAT1.h

E1

I/O

A

Host side data input/output

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ST6G3244ME Arkusz danych(PDF) 6 Page - STMicroelectronics

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