CC2541

RHA Package

(Top View)

NC

R_BIAS

AVDD4

AVDD1

AVDD2

RF_N

RF_P

AVDD3

XOSC_Q1

XOSC_Q2

AVDD5

SCL

SDA

GND

P1_5

P1_4

P1_3

P1_1

P1_2

DVDD2

30

1

29

2

28

3

27

4

26

5

25

6

24

22

7

9

23

21

8

10

18

20

33

31

17

19

34

32

16

35

15

36

14

37

13

38

12

39

11

40

GND

Ground Pad

CC2541

SWRS110D – JANUARY 2012 – REVISED JUNE 2013

www.ti.com

DC CHARACTERISTICS

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Logic-0 input voltage

0.5

V

Logic-1 input voltage

2.4

V

Logic-0 input current

Input equals 0 V

–50

50

nA

Logic-1 input current

Input equals VDD

–50

50

nA

I/O-pin pullup and pulldown resistors

20

k

Ω

Logic-0 output voltage, 4- mA pins

Output load 4 mA

0.5

V

Logic-1 output voltage, 4-mA pins

Output load 4 mA

2.5

V

Logic-0 output voltage, 20- mA pins

Output load 20 mA

0.5

V

Logic-1 output voltage, 20-mA pins

Output load 20 mA

2.5

V

DEVICE INFORMATION

PIN DESCRIPTIONS

The CC2541 pinout is shown in Figure 8 and a short description of the pins follows.

NOTE: The exposed ground pad must be connected to a solid ground plane, as this is the ground connection for the chip.

Figure 8. Pinout Top View

16

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