MIC1555/1557

Micrel

MIC1555/1557

2

October 1998

Pin Configuration

VS

THR

TRG

OUT

T10

Part

Identification

1

3

45

T/T

OUT

VS

CS

T11

1

3

45

22

GND

GND

SOT-23-5 (M5)

Pin Description

Pin Number

Pin Number

Pin Name

Pin Function

MIC1555

MIC1557

1

4

VS

Supply (Input): +2.7 to +18V supply.

2

2

GND

Ground: Supply return.

3

CS

3

5

OUT

Output: CMOS totem-pole output.

4

TRG

Trigger (Input): Sets output high. Active low (at

5

THR

Threshold (Dominant Input): Sets output low. Active high (at

S

nominal).

1

T/T

Trigger/Threshold (Input): Internally connected to both threshold and trigger

functions. See TRG and THR.

Part Number

Identification

MIC1555BM5

T10

MIC1557BM5

T11