STM32L021D4 datasheet(70/114 Pages) STMICROELECTRONICS

Part #	STM32L021D4

Description	Access line ultra-low-power 32-bit MCU Arm®-based Cortex®-M0, 16KB Flash, 2KB SRAM, 512B EEPROM, ADC, AES

PDF	114 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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Electrical characteristics

STM32L021x4

70/114

DocID027982 Rev 5

6.3.9

Memory characteristics

RAM memory

fPLL_OUT

PLL output clock

MHz

tLOCK

PLL input = 16 MHz

PLL VCO = 96 MHz

115

160

µs

Jitter

Cycle-to-cycle jitter

±600

IDDA(PLL)

Current consumption on VDDA

220

450

µA

IDD(PLL)

Current consumption on VDD

120

150

1. Guaranteed by characterization results, not tested in production.

2. Take care of using the appropriate multiplier factors so as to have PLL input clock values compatible with

the range defined by fPLL_OUT.

Table 40. PLL characteristics (continued)

Symbol

Parameter

Value

Unit

Min

Typ

Max(1)

Table 41. RAM and hardware registers

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VRM

Data retention mode(1)

1. Minimum supply voltage without losing data stored in RAM (in Stop mode or under Reset) or in hardware

registers (only in Stop mode).

STOP mode (or RESET)

1.65

STM32L021D4 Datasheet(PDF) 70 Page - STMicroelectronics

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