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CMS1621 on a board, in 3D

CMS1621

Cmsemicon

-25℃~+85℃ 0.1uA 1/3,1/2 1/4,1/3,1/2 2.4V~5.5V 32 Segment 32.768kHz、256kHz 32x4 bit 4-Wire Serial Interface 60uA SSOP-48-300mil LCD Drivers ROHS

Extended
DatasheetJLCPCBLCSCcmsemicon/CMS1621
Category
LCD Drivers
Package
SSOP-48-300mil
Pins
48

Overview

The CMS1621 is a LCD Driver made by Cmsemicon in a SSOP-48-300mil package with 48 pins. -25℃~+85℃ 0.1uA 1/3,1/2 1/4,1/3,1/2 2.4V~5.5V 32 Segment 32.768kHz、256kHz 32x4 bit 4-Wire Serial Interface 60uA SSOP-48-300mil LCD Drivers ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:HT1621B-TD, from EasyEDA) and its footprint (EasyEDA_Cloud:SSOP-48_L16.0-W7.6-P0.64-LS10.7-BL, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C541900).

Symbol

SEG71SEG62SEG53SEG44SEG35SEG26SEG17SEG08CS#9RD#10WR#11DATA12VSS13OSCO14OSCI15VLCD16VDD17IRQ#18BZ19BZ#20COM021COM122COM223COM324SEG3125SEG3026SEG2927SEG2828SEG2729SEG2630SEG2531SEG2432SEG2333SEG2234SEG2135SEG2036SEG1937SEG1838SEG1739SEG1640SEG1541SEG1442SEG1343SEG1244SEG1145SEG1046SEG947SEG848
EasyEDA_Cloud:HT1621B-TDFrom EasyEDA

Footprint

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748
EasyEDA_Cloud:SSOP-48_L16.0-W7.6-P0.64-LS10.7-BLFrom EasyEDA

Parameters

12
Bias
1/3,1/2
Current - Supply
60uA
Display Configurations(Segment)
32 Segment
Display Configurations(bit)
32x4 bit
Duty cycle
1/4,1/3,1/2
Features
Built-in oscillator
Frequency
256kHz, 32.768kHz
Interface
4-Wire Serial Interface
Operating Temperature
-25℃~+85℃
Quiescent Current
0.1uA
Value
256kHz；32.768kHz
Voltage - Supply
2.4V~5.5V

Order codes

1

Pinout

48
The pins of the CMS1621
PinNameType
1SEG7Unspecified
2SEG6Unspecified
3SEG5Unspecified
4SEG4Unspecified
5SEG3Unspecified
6SEG2Unspecified
7SEG1Unspecified
8SEG0Unspecified
9CS#Unspecified
10RD#Unspecified
11WR#Unspecified
12DATAUnspecified
13VSSUnspecified
14OSCOUnspecified
15OSCIUnspecified
16VLCDUnspecified
17VDDUnspecified
18IRQ#Unspecified
19BZUnspecified
20BZ#Unspecified
21COM0Unspecified
22COM1Unspecified
23COM2Unspecified
24COM3Unspecified
25SEG31Unspecified
26SEG30Unspecified
27SEG29Unspecified
28SEG28Unspecified
29SEG27Unspecified
30SEG26Unspecified
31SEG25Unspecified
32SEG24Unspecified
33SEG23Unspecified
34SEG22Unspecified
35SEG21Unspecified
36SEG20Unspecified
37SEG19Unspecified
38SEG18Unspecified
39SEG17Unspecified
40SEG16Unspecified
41SEG15Unspecified
42SEG14Unspecified
43SEG13Unspecified
44SEG12Unspecified
45SEG11Unspecified
46SEG10Unspecified
47SEG9Unspecified
48SEG8Unspecified

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A live frame, for any web page
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A picture
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A picture that opens the part, for a README
[![CMS1621](https://pcbkit.io/embed/parts/cmsemicon/CMS1621.jpg?size=s)](https://pcbkit.io/parts/cmsemicon/CMS1621)

Questions

Is there a KiCad symbol and footprint for the CMS1621?

Yes. The symbol is EasyEDA_Cloud:HT1621B-TD and the footprint EasyEDA_Cloud:SSOP-48_L16.0-W7.6-P0.64-LS10.7-BL, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the CMS1621?

SSOP-48-300mil, with 48 pins. Its footprint is drawn on this page.

Where is the CMS1621 datasheet?

Cmsemicon publishes it: the Datasheet link on this page opens it.

Where can I order the CMS1621?

JLCPCB lists it as part C541900, with 0 in stock; the sellers' links on this page open their listings.

What can replace the CMS1621?

Parts like it in the library: the HT1621M by HGSEMI. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

1