STM8S903K3 datasheet(96/121 Pages) STMICROELECTRONICS

Part #	STM8S903K3

Description	16 MHz STM8S 8-bit MCU, up to 8 Kbytes Flash, 1 Kbyte RAM, 640 bytes EEPROM,10-bit ADC, 2 timers, UART, SPI, IC

PDF	121 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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96 / 121 page

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STM8S903K3 STM8S903F3

96/121

DocID15590 Rev 10

Section 11.7: UFQFPN recommended footprint

shows the recommended footprints for

UFQFPN with and without on-board emulation.

Device marking

The following figure gives an example of topside marking orientation versus pin 1 identifier

location.

Figure 52. UFQFPN20 marking example (package top view)

1. Parts marked as “ES”,”E” or accompanied by an Engineering Sample notification letter, are not yet

qualified and therefore not yet ready to be used in production and any consequences deriving from such

usage will not be at ST charge. In no event, ST will be liable for any customer usage of these engineering

samples in production. ST Quality has to be contacted prior to any decision to use these Engineering

samples to run qualification activity.

0.375

0.0148

0.200

0.0079

0.150

0.0059

0.180

0.250

0.300

0.0071

0.0098

0.0118

ddd

0.050

0.0020

1. Values in inches are converted from mm and rounded to 4 decimal digits

Table 56. UFQFPN20 package mechanical data (continued)

Dim.

inches(1)

Min

Typ

Max

Min

Typ

Max

STM8S903K3 Datasheet(PDF) 96 Page - STMicroelectronics

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