M14C32-WS2X 查看數據表（PDF） - STMicroelectronics

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M14C32-WS2X

Memory Card IC 64/32 Kbit Serial I²C Bus EEPROM

STMicroelectronics 

Figure 10. AC Waveforms

tCHCL

tCLCH

SCL

tDLCL

tDXCX

SDA IN

tCHDX

tCLDX

START

CONDITION

SDA

SDA

INPUT CHANGE

SCL

SDA OUT

tCLQV

DATA VALID

tCLQX

DATA OUTPUT

M14C64, M14C32

tCHDH

tDHDL

STOP &

BUS FREE

SCL

SDA IN

tCHDH

STOP

CONDITION

tW

WRITE CYCLE

tCHDX

START

CONDITION

AI00795B

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

Figure 11. AC Testing Input Output Waveforms

0.8VCC

0.7VCC

0.2VCC

0.3VCC

AI00825

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

Symbol

Parameter

Test Condition

Min.

Max.

Unit

CIN

Input Capacitance (SDA)

8

pF

CIN

Input Capacitance (other pins)

tNS

Low Pass Filter Input Time

Constant (SCL & SDA Inputs)

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

6

pF

100

400

ns

11/14

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