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PCA9554D,118 I/O Expander 8 I²C, SMBus 400 kHz 16-SO

Nkọwa dị mkpirikpi:

Akụkụ: PCA9554D,118
Onye nrụpụta: NXP
Ngwugwu: 16-SOIC
Nkọwa: I/O Expander 8 I²C, SMBus 400 kHz 16-SO

Akwụkwọ data: Biko kpọtụrụ anyị.


Nkọwa ngwaahịa

Mkpado ngwaahịa

Usoro ngwaahịa

Nkọwa

PCA9554 na PCA9554A bụ ngwaọrụ CMOS 16-pin nke na-enye 8 ibe n'ibe nke mkpokọta Nzube myirịta Ntinye/mmepụta (GPIO) maka ngwa I2C-bus/SMBus wee mepụta iji kwalite ezinụlọ NXP Semiconductors ezinụlọ nke I2C-bus I/O expanders.Nkwalite ndị a gụnyere ikike ịnya ụgbọ ala dị elu, nnabata 5 VI/O, obere ọkọnọ dị ugbu a, nhazi I/O nke onye ọ bụla, ugboro elekere 400 kHz, yana nkwakọ obere.Ndị na-agbasawanye I / O na-enye ngwọta dị mfe mgbe achọrọ I / O ọzọ maka ọkụ ọkụ ACPI, ihe mmetụta, bọtịnụ ntinye, LEDs, Fans, na ndị ọzọ.PCA9554/PCA9554A nwere ndekọ nhazi 8-bit (Nhọrọ ntinye ma ọ bụ mmepụta);Ndebanye aha Port Input 8-bit, ndebanye aha Port Output 8-bit yana ndekọ inversion 8-bit Polarity (HIGH na-arụ ọrụ ma ọ bụ ọrụ LOW na-arụ ọrụ).Onye nwe sistemu nwere ike mee ka I/Os dị ka ntinye ma ọ bụ ntinye site na idegara ibe nhazi I/O.A na-edobe data maka ntinye ma ọ bụ mmepụta ọ bụla na ndebanye aha Port Port ma ọ bụ mmepụta kwekọrọ.Enwere ike ịtụgharị polarity nke ndebanye aha na-agụ site na ndebanye aha ntụgharị Polarity.Enwere ike ịgụ akwụkwọ ndekọ aha niile site n'aka onye isi sistemụ.Ọ bụ ezie na pin-to-pin na adreesị ụgbọ ala I2C-dakọtara na usoro PCF8574, a chọrọ mgbanwe ngwanrọ n'ihi nkwalite ndị a na-atụle ya na Ngwa Note AN469.PCA9554/PCA9554A mmeghe nkwụsị nkwụsịtụ na-arụ ọrụ mgbe steeti ntinye ọ bụla dị iche na ndebanye aha Port Port ya kwekọrọ na ejiri gosi onye isi sistemụ na ọnọdụ ntinye agbanweela.Ntọgharị ike na-edobe ndekọ na ụkpụrụ ndabara ha wee malite igwe steeti ngwaọrụ.Atọ ngwaike atụdo (A0, A1, A2) ịdị iche iche na ofu I2C-ụgbọ ala adreesị na-ekwe ka ihe asatọ ngwaọrụ ịkọrọ otu I2C-bọs/SBus.PCA9554A dị na PCA9554 ma e wezụga na adreesị ụgbọ ala I2C a kapịrị ọnụ dị iche na-enye ohere ruo iri na isii n'ime ngwaọrụ ndị a (asato nke ọ bụla) n'otu I2C-bus/SMBus.

 

Nkọwapụta:
Njirimara Uru
Otu Sekit jikọtara ọnụ (ICs)
Interface - I/O Expanders
Mfr NXP USA, Inc.
Usoro -
ngwugwu teepu & Reel (TR)
Mpempe akwụkwọ (CT)
Digi-Reel®
Ọnọdụ akụkụ Na-arụ ọrụ
Ọnụọgụ nke I/O 8
Interface I²C, SMBus
Mbupute kwụsịtụrụ Ee
Atụmatụ POR
Ụdị mmepụta Push-Pull
Ugbu a - Isi mmalite/Sink mmepụta 10mA, 25mA
Ugboro elekere 400 kHz
Voltaji - ọkọnọ 2.3V ~ 5.5V
Okpomọkụ na-arụ ọrụ -40°C ~ 85°C
Ụdị nkwụnye Ugwu elu
Ngwungwu / Akpa 16-SOIC (0.295 ", obosara 7.50mm)
Ngwungwu ngwaọrụ ndị na-eweta ihe 16-SO
Nọmba ngwaahịa ntọala PCA9554

 

PCA 9554 1

 

 

PCA 9554 2

 


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