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EEPROM 4K (256X16) 3-Wire

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Seiko Instruments, Components Div. (SII)
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S-93C66BD0I-T8T1G Product Details

The S-93C46B/56B/66B is a high speed, low current consumption, 3-wire serial E2PROM with a wide operating voltage range. The S-93C46B/56B/66B has the capacity of 1 K-bit, 2 K-bit and 4 K-bit, and the organization is 64-word × 16-bit, 128-word × 16-bit and 256-word × 16-bit. It is capable of sequential read, at which time addresses are automatically incremented in 16-bit blocks. 

The communication method is by the Microwire bus. 


• Operating voltage range: Read 1.8 V to 5.5 V Write 2.7 V to 5.5 V 

• Operation frequency: 2.0 MHz (VCC = 4.5 V to 5.5 V) 

• Write time: 8.0 ms max. 

• Sequential read capable 

• Write protect function during the low power supply voltage 

• Function to protect against write due to erroneous instruction recognition 

• Endurance: 106 cycles / word*1 (Ta = +85°C) 

• Data retention: 100 years (Ta = +25°C) 20 years (Ta = +85°C) 

• Memory capacity: S-93C46B 1 K-bit S-93C56B 2 K-bit S-93C66B 4 K-bit 

• Initial delivery state: FFFFh 

• Operation temperature range: Ta = −40°C to +85°C 

• Lead-free, Sn 100%, halogen-free*2 *1. For each address (Word: 16-bit) *2. Refer to “ Product Name Structure” for details.

S-93C66BD0I-T8T1G Pin Diagram
(Picture:Pinout / Diagram)

Technical Parameters

Memory Size 4 Kbit Package / Case TSSOP-8
Organization 256 x 16 Interface Type 3-Wire
Data Retention 10 yr Minimum Operating Temperature - 40 C
Maximum Clock Frequency 1 MHz Packaging Reel
Maximum Operating Current 0.8 mA Factory Pack Quantity 3000
Operating Supply Voltage 1.8 V to 5.5 V Supply Voltage Max 5.5 V
Maximum Operating Temperature + 85 C Supply Voltage Min 1.8 V
Mounting Style SMD/SMT

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  • ****im Ko*****

    Всё хорошо, товар что надо, пришёл упакованный в мягкий пакет.

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Seiko Instruments Inc is a leading global supplier of advanced electronic components, including integrated circuits and quartz crystals, as well as tiny batteries and capacitors that deliver unparalle...
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