MIC2564A datasheet(2/16 Pages) MICREL

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MIC2564A

Micrel

MIC2564A

September 1999

Pin Configuration

A VCC OUT

VCC5 IN

A FLAG

SDA

SCL

RST#

CC5 IN

SLA

B FLAG

A VCC OUT

VCC3 IN

A VCC OUT

GND

A VPP OUT

VPP IN

VCC5 IN

B VCC OUT

GND

B VPP OUT

VPP IN

B VCC OUT

VCC5 IN

VCC3 IN

B VCC OUT

24-lead SSOP (SM)

24-lead TSSOP (TS)

Pin Description

Pin Number

Pin Name

Pin Function

1,3,10,12

CC5 IN

5V Supply Input: Optional system power supply connection. Required only

for 5V V

CC and VPP output voltage.

2,22,24

A V

CC OUT

Slot A V

CC Output: Pins 2, 22, and 24 must be externally connected

together.

A FLAG

Channel A V

CC and VPP Output Monitor (Output): Low on error condition.

SDA

Serial Data (Input)

SCL

Serial Clock (Input)

RST#

System Reset (Input): Active low signal deactivates the MIC2564A, clearing

the serial registers and forcing the four power outputs to 0V (GND).

SLA

Serial Data Latch (Input)

B FLAG

Channel B V

CC and VPP Output Monitor (Output): Low on error condition.

11,13,15

B V

CC OUT

Slot B V

CC Output: Pins 11, 13, and 15 must be externally connected

together.

14,23

CC3 IN

3.3V Supply Input: Required system power supply connection. Powers 3.3V

CC and VPP outputs and all internal circuitry.

16,21

GND

Ground

B V

PP OUT

Slot B V

PP Output

18,19

PP IN

12V Supply Input: Optional system power supply connection. Required only

for 12V V

PP output voltage.

A V

PP OUT

Slot A V

PP Output

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