M14C64 datasheet(11/14 Pages) STMICROELECTRONICS

部件名	M14C64

功能描述	Memory Card IC 64/32 Kbit Serial I²C Bus EEPROM

PDF	14 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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11 / 14 page

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M14C64, M14C32

Figure 10. AC Waveforms

SCL

SDA IN

SCL

SDA OUT

SCL

SDA IN

tCHCL

tDLCL

tCHDX

START

CONDITION

tCLCH

tDXCX

tCLDX

SDA

INPUT

SDA

CHANGE

tCHDH

tDHDL

STOP &

BUS FREE

DATA VALID

tCLQV

tCLQX

DATA OUTPUT

tCHDH

STOP

CONDITION

tCHDX

START

CONDITION

WRITE CYCLE

AI00795B

Figure 11. AC Testing Input Output Waveforms

AI00825

0.8VCC

0.2VCC

0.7VCC

0.3VCC

Table 9. AC Measurement Conditions

Input Rise and Fall Times

≤ 50 ns

Input Pulse Voltages

0.2VCC to 0.8VCC

Input and Output Timing

Reference Voltages

0.3VCC to 0.7VCC

Table 10. Input Parameters1 (TA = 25 °C, f = 400 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

Low Pass Filter Input Time

Constant (SCL & SDA Inputs)

100

400

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