S39421 View Datasheet(PDF) - Summit Microelectronics

Part Name

Description

Manufacturer

S39421

Hot Swap Voltage Controller

Summit Microelectronics 

Symbol Pin

VCC12

1

DRVREN 2

ISLEW

3

VSEL

4

DD

5

CS

6

SK

7

DI

8

DO

9

PND2

10

PND1

11

GND

12

CARD_V_VLD 13

SGNL_VLD 14

HST_PWR 15

HST_RST 16

RESET 17

RESET 18

CARD_3V 19

VGATE3 20

VCC3

21

CARD_5V 22

VGATE5 23

VCC5

24

Description

12 Volt Input

High Side Driver Enable (L)

Slew Rate Control

Voltage Select

Data Download Enable

Microwire Chip Select

Microwire Serial Clock

Microwire Data In

Microwire Data Out

Pin Detect 2 (Active Low)

Pin Detect 1 (Active Low)

Ground

Card Voltage Valid

Signals Valid (Active Low)

Host Power Up Enable

Host Reset (Active Low)

RESET(Active Low)

RESET

Card’s 3 Volt Monitor Input

3 Volt Gate Output

3 Volt Input

Card’s 5 Volt Monitor Input

5 Volt Gate Output

5 Volt Input

PIN CONFIGURATION

VCC12 1

DRVREN 2

ISLEW 3

VSEL 4

DD 5

CS 6

SK 7

DI 8

DO 9

PND2 10

PND1 11

GND 12

S39421

24 VCC5

23 VGATE5

22 CARD_5V

21 VCC3

20 VGATE3

19 CARD_3V

18 RESET

17 RESET

16 HST_RST

15 HST_PWR

14 SGNL_VLD

13 CARD_V_VLD

2024 ILL1.1

RECOMMENDED OPERATING CONDITIONS

Condition

Temperature

VCC

Min

-40°C

2.7V

Max

+85°C

5.5V

2024 PGM T1.1

2024 9.0 8/8/00

2

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