microcontroller

AT94K40AL-25BQU

Symbol
GND1I/O1.GCK1(A16)2I/O2(A17)3I/O34I/O45I/O5(A18)6I/O6(A19)7GND8I/O25.FCK19I/O2610I/O27(A20)11I/O28(A21)12I/O4313I/O4414I/O47(A22)15I/O48(A23)16GND17VDD(2)18I/O49(A24)19I/O50(A25)20I/O5321I/O5422I/O69(A26)23I/O70(A27)24I/O7125I/O72.FCK226GND27I/O89(A28)28I/O9029I/O9330I/O9431)I/O95(OTS32I/O96.GCK2(A29)33AVRRESET34GND35M036VCC(1)37M238I/O97.GCK339I/O98(HDC/TDI)40I/O9941I/O10042I/O10143I/O102(LDC/TDO)44GND45I/O12146I/O12247I/O123/TMS48I/O124/TCK49I/O13750I/O13851I/O143(TD7)52I/O144(InitErr)53VDD(2)54GND55I/O145(TD6)56I/O146(TD5)57I/O15158I/O15259I/O165(TD4)60I/O166(TD3)61I/O16762I/O16863GND64I/O183(TD2)65I/O184(TD1)66I/O18967I/O19068I/O191(TD0)69I/O192.GCK470GND71CON#72VCC(1)144I/O384GCK8(A15)143I/O383(A14)142I/O382141I/O381140I/O372(A13)139I/O371(A12)138GND137I/O360136I/O359135I/O348(A11)134I/O347(A10)133I/O344132I/O343131I/O338(A9)130I/O337(A8)129VDD(2)128GND127I/O336(A7)126I/O335(A6)125I/O330124I/O329123I/O326(A5)122I/O325(A4)121I/O314120I/O313119GND118I/O303117I/O298(A3)116I/O297(CS1#.A2)115I/O292114I/O291113I/O290.GCK7(A1)112I/O289(A0)111GND110Testclock109VCC(1)108CCLK107INTP3(CSOUT#)106D0105TX1104RX1103TOSC2102TOSC1101GND100TX099RX098XTAL297XTAL196INTP095PD794PE7(CHECK#)93PE692GND91VDD(2)90PE589PE488PD687PD586CS0#.CS0N85PE384PD483PD382NoConnect81PD280PE279PD178PD077PE176PE075RESET#74VCC(1)73
Footprint
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144
3D Model
Pin Map
PinNameTypeMountShapeWidth × Height (mm)
GNDgroundSMDoval0.28×2
I/O1.GCK1(A16)outputSMDoval0.28×2
I/O2(A17)ioSMDoval0.28×2
I/O3passiveSMDoval0.28×2
I/O4passiveSMDoval0.28×2
I/O5(A18)passiveSMDoval0.28×2
I/O6(A19)passiveSMDoval0.28×2
GNDgroundSMDoval0.28×2
I/O25.FCK1passiveSMDoval0.28×2
I/O26passiveSMDoval0.28×2
I/O27(A20)passiveSMDoval0.28×2
I/O28(A21)passiveSMDoval0.28×2
I/O43passiveSMDoval0.28×2
I/O44passiveSMDoval0.28×2
I/O47(A22)passiveSMDoval0.28×2
I/O48(A23)passiveSMDoval0.28×2
GNDgroundSMDoval0.28×2
VDD(2)powerSMDoval0.28×2
I/O49(A24)passiveSMDoval0.28×2
I/O50(A25)passiveSMDoval0.28×2
I/O53passiveSMDoval0.28×2
I/O54passiveSMDoval0.28×2
I/O69(A26)passiveSMDoval0.28×2
I/O70(A27)passiveSMDoval0.28×2
I/O71passiveSMDoval0.28×2
I/O72.FCK2passiveSMDoval0.28×2
GNDgroundSMDoval0.28×2
I/O89(A28)passiveSMDoval0.28×2
I/O90passiveSMDoval0.28×2
I/O93passiveSMDoval0.28×2
I/O94passiveSMDoval0.28×2
)I/O95(OTSpassiveSMDoval0.28×2
I/O96.GCK2(A29)passiveSMDoval0.28×2
AVRRESETpassiveSMDoval0.28×2
GNDgroundSMDoval0.28×2
M0passiveSMDoval0.28×2
VCC(1)powerSMDoval2×0.28
M2passiveSMDoval2×0.28
I/O97.GCK3passiveSMDoval2×0.28
I/O98(HDC/TDI)passiveSMDoval2×0.28
I/O99passiveSMDoval2×0.28
I/O100passiveSMDoval2×0.28
I/O101passiveSMDoval2×0.28
I/O102(LDC/TDO)passiveSMDoval2×0.28
GNDgroundSMDoval2×0.28
I/O121passiveSMDoval2×0.28
I/O122passiveSMDoval2×0.28
I/O123/TMSpassiveSMDoval2×0.28
I/O124/TCKpassiveSMDoval2×0.28
I/O137passiveSMDoval2×0.28
I/O138passiveSMDoval2×0.28
I/O143(TD7)passiveSMDoval2×0.28
I/O144(InitErr)passiveSMDoval2×0.28
VDD(2)powerSMDoval2×0.28
GNDgroundSMDoval2×0.28
I/O145(TD6)passiveSMDoval2×0.28
I/O146(TD5)passiveSMDoval2×0.28
I/O151passiveSMDoval2×0.28
I/O152passiveSMDoval2×0.28
I/O165(TD4)passiveSMDoval2×0.28
I/O166(TD3)passiveSMDoval2×0.28
I/O167passiveSMDoval2×0.28
I/O168passiveSMDoval2×0.28
GNDgroundSMDoval2×0.28
I/O183(TD2)passiveSMDoval2×0.28
I/O184(TD1)passiveSMDoval2×0.28
I/O189passiveSMDoval2×0.28
I/O190passiveSMDoval2×0.28
I/O191(TD0)passiveSMDoval2×0.28
I/O192.GCK4passiveSMDoval2×0.28
GNDgroundSMDoval2×0.28
CON#passiveSMDoval2×0.28
VCC(1)powerSMDoval0.28×2
RESET#passiveSMDoval0.28×2
PE0passiveSMDoval0.28×2
PE1passiveSMDoval0.28×2
PD0passiveSMDoval0.28×2
PD1passiveSMDoval0.28×2
PE2passiveSMDoval0.28×2
PD2passiveSMDoval0.28×2
NoConnectpassiveSMDoval0.28×2
PD3passiveSMDoval0.28×2
PD4passiveSMDoval0.28×2
PE3passiveSMDoval0.28×2
CS0#.CS0NpassiveSMDoval0.28×2
PD5passiveSMDoval0.28×2
PD6passiveSMDoval0.28×2
PE4passiveSMDoval0.28×2
PE5passiveSMDoval0.28×2
VDD(2)powerSMDoval0.28×2
GNDgroundSMDoval0.28×2
PE6passiveSMDoval0.28×2
PE7(CHECK#)passiveSMDoval0.28×2
PD7passiveSMDoval0.28×2
INTP0passiveSMDoval0.28×2
XTAL1passiveSMDoval0.28×2
XTAL2passiveSMDoval0.28×2
RX0passiveSMDoval0.28×2
TX0passiveSMDoval0.28×2
GNDgroundSMDoval0.28×2
TOSC1passiveSMDoval0.28×2
TOSC2passiveSMDoval0.28×2
RX1passiveSMDoval0.28×2
TX1passiveSMDoval0.28×2
D0passiveSMDoval0.28×2
INTP3(CSOUT#)passiveSMDoval0.28×2
CCLKpassiveSMDoval0.28×2
VCC(1)powerSMDoval0.28×2
TestclockpassiveSMDoval2×0.28
GNDgroundSMDoval2×0.28
I/O289(A0)passiveSMDoval2×0.28
I/O290.GCK7(A1)passiveSMDoval2×0.28
I/O291passiveSMDoval2×0.28
I/O292passiveSMDoval2×0.28
I/O297(CS1#.A2)passiveSMDoval2×0.28
I/O298(A3)passiveSMDoval2×0.28
I/O303passiveSMDoval2×0.28
GNDgroundSMDoval2×0.28
I/O313passiveSMDoval2×0.28
I/O314passiveSMDoval2×0.28
I/O325(A4)passiveSMDoval2×0.28
I/O326(A5)passiveSMDoval2×0.28
I/O329passiveSMDoval2×0.28
I/O330passiveSMDoval2×0.28
I/O335(A6)passiveSMDoval2×0.28
I/O336(A7)passiveSMDoval2×0.28
GNDgroundSMDoval2×0.28
VDD(2)powerSMDoval2×0.28
I/O337(A8)passiveSMDoval2×0.28
I/O338(A9)passiveSMDoval2×0.28
I/O343passiveSMDoval2×0.28
I/O344passiveSMDoval2×0.28
I/O347(A10)passiveSMDoval2×0.28
I/O348(A11)passiveSMDoval2×0.28
I/O359passiveSMDoval2×0.28
I/O360passiveSMDoval2×0.28
GNDgroundSMDoval2×0.28
I/O371(A12)passiveSMDoval2×0.28
I/O372(A13)passiveSMDoval2×0.28
I/O381passiveSMDoval2×0.28
I/O382passiveSMDoval2×0.28
I/O383(A14)passiveSMDoval2×0.28
I/O384GCK8(A15)passiveSMDoval2×0.28
VCC(1)powerSMDoval2×0.28

Key Parameters

Frequency
18MHz

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Details

Category
microcontroller
MPN
AT94K40AL-25BQU
Manufacturer
Microchip Technology
Package
LQFP-144(20x20)
Footprint
LQFP-144_L20.0-W20.0-P0.50-LS22.0-BL
JLCPCB
C1518998
LCSC
C1518998
Lifecycle
active
Mounting
SMT
RoHS
Compliant
MSL
MSL 3
ECCN
3A991D

JLCPCB Stock & Pricing

Out of Stock(0 pcs)
1-9 pcs$41.9323
10-29 pcs$41.9323
30-199 pcs$41.9323
200-499 pcs$16.2280
500-999 pcs$15.6578
1000+ pcs$15.3750