| Part Number | ST24LC21B |
| Manufacturer | STMicroelectronics (https://www.st.com/) |
| Title | 1 Kbit x8 Dual Mode Serial EEPROM |
| Description | The ST24LC21B, ST24LW21, ST24FC21, ST24FC21B and ST24FW21 are 1K bit electrically erasable programmable memory (EEPROM), organized in 128x8 bits. ... |
| Features |
"W" means WC on pin 3.
8 1
PSDIP8 (B) 0.25mm Frame
8 1
SO8 (M) 150mil Width
Figure 1. Logic Diagram
VCC
SCL VCLK WC ST24xy21
SDA
Table 1. Signal Names
SDA SCL VCC VSS VCLK WC Serial Data Address Input/Output
2 Serial Clock (I C mode)
VSS
AI0...
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| Datasheet |
 ST24LC21B Datasheet
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