AT45DB021E datasheet(7/74 Pages) DIALOG

7 / 74 page

AT45DB021E

DS-AT45DB021E—8789J—03/2021

Pin Configurations and Pinouts

Figure 2-1. Pinouts

Note:

1. The metal pad on the bottom of the UDFN package is not internally connected to a voltage potential. This

pad can be a “no connect” or connected to GND.

SCK

RESET

GND

VCC

8-lead SOIC

Top View

SCK

RESET

GND

VCC

8-pad UDFN

Top View

(through package)

(1)

GND

SCK

RESET

8-Ball WLCSP

Bottom View

Pin 1

Table 2-1.

Pin Configurations

Symbol

Name and Function

Asserted

State

Type

Chip Select: Asserting the CS pin selects the device. When the CS pin is deasserted, the

device is deselected and normally placed in the standby mode (not Deep Power-Down mode)

and the output pin (SO) is in a high-impedance state. When the device is deselected, data are

not accepted on the input pin (SI).

A high-to-low transition on the CS pin is required to start an operation and a low-to-high

transition is required to end an operation. When ending an internally self-timed operation such

as a program or erase cycle, the device does not enter the standby mode until the operation is

done.

Low

Input

SCK

Serial Clock: This pin is used to provide a clock to the device and is used to control the flow of

data to, and from, the device. Command, address, and input data present on the SI pin is

latched on the rising edge of SCK, while output data on the SO pin is clocked out on the falling

edge of SCK.

—

Input

Serial Input: The SI pin is used to shift data into the device. The SI pin is used for all data

input, including command and address sequences. Data on the SI pin is latched on the rising

edge of SCK. Data present on the SI pin is ignored whenever the device is deselected (CS is

deasserted).

—

Input

Serial Output: The SO pin is used to shift data out from the device. Data on the SO pin are

clocked out on the falling edge of SCK. The SO pin is in a high-impedance state whenever the

device is deselected (CS is deasserted).

—

Output

AT45DB021E датащи(PDF) 7 Page - Dialog Semiconductor

AT45DB021E датащи(HTML) 7 Page - Dialog Semiconductor

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74

датащи скачать

ссылки URL