ST14C02C datasheet(7/12 Pages) STMICROELECTRONICS

部件名	ST14C02C

功能描述	Memory Card IC 2 Kbit 256 x 8 Serial I2C Bus EEPROM

PDF	12 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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ST14C02C

Figure 7. Write Cycle Polling Flowchart using ACK

WRITE Cycle

in Progress

AI02454

Operation is

Addressing the

Memory

START Condition

DEVICE SELECT

with RW = 0

ACK

Returned

YES

ReSTART

STOP

Proceed

WRITE Operation

Proceed

Random Address

READ Operation

Send

Byte Address

First byte of instruction

with RW = 0 already

decoded by ST14C02C

Table 7. Capacitance 1 (TA = 25 °C, f = 100 kHz)

Note: 1. Sampled only, not 100% tested.

Symbol

Parameter

Test Condition

Min.

Max.

Unit

CIN

Input Capacitance (SDA)

CIN

Input Capacitance (other pins)

tNS

Noise suppression Time Con-

stant (SCL & SDA Inputs)

100

400

Table 6. AC Measurement Conditions

Input Rise and Fall Times

≤ 20 ns

Input Pulse Voltages

0.2VCC to 0.8VCC

Input and Output Timing

Reference Voltages

0.3VCC to 0.7VCC

Figure 8. AC Testing Input/Output Waveform

AI00825

0.8VCC

0.2VCC

0.7VCC

0.3VCC

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