2

FN8085.8

September 12, 2008

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Block Diagram

Ordering Information

PART NUMBER

PART MARKING

(V)

TEMP. RANGE

(°C)

PACKAGE

PKG. DWG. #

ISL1208IU8

AGS

2.7 to 5.5

-40 to +85

8 Ld MSOP

M8.118

ISL1208IU8-TK*

AGS

2.7 to 5.5

-40 to +85

8 Ld MSOP Tape and

Reel

M8.118

ISL1208IU8Z (Note)

ANW

2.7 to 5.5

-40 to +85

8 Ld MSOP (Pb-free)

M8.118

ISL1208IU8Z-TK*

(Note)

ANW

2.7 to 5.5

-40 to +85

8 Ld MSOP

Tape and Reel

(Pb-free)

M8.118

ISL1208IB8

1208 I

2.7 to 5.5

-40 to +85

8 Ld SOIC

MDP0027

ISL1208IB8-TK*

1208 I

2.7 to 5.5

-40 to +85

8 Ld SOIC Tape and Reel MDP0027

ISL1208IB8Z

(Note)

1208 ZI

2.7 to 5.5

-40 to +85

8 Ld SOIC (Pb-free)

MDP0027

ISL1208IB8Z-TK*

(Note)

1208 ZI

2.7 to 5.5

-40 to +85

8 Ld SOIC

Tape andReel (Pb-free)

MDP0027

ISL1208IRT8Z

(Note)

08TZ

2.7 to 5.5

-40 to +85

8 Ld TDFN

(Pb-free)

L8.3x3A

ISL1208IRT8Z-TK*

(Note)

08TZ

2.7 to 5.5

-40 to +85

8 Ld TDFN

Tape and Reel (Pb-free)

L8.3x3A

*Please refer to TB347 for details on reel specifications.

NOTE: These Intersil Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die attach materials, and 100%

matte tin plate plus anneal (e3 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations). Intersil

Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.

INTERFACE

RTC

CONTROL

LOGIC

ALARM

FREQUENCY

OUT

RTC

DIVIDER

SDA

BUFFER

CRYSTAL

OSCILLATOR

POR

SWITCH

SCL

BUFFER

SDA

SCL

X1

X2

IRQ/

INTERNAL

SUPPLY

SECONDS

MINUTES

HOURS

DAY OF WEEK

DATE

MONTH

YEAR

USER

SRAM

CONTROL

REGISTERS

ISL1208