參數(shù)資料
型號: 24LC32AMODULE
廠商: Microchip Technology Inc.
英文描述: 32K I2C Serial EEPROM in ISO Micromodule
中文描述: 32K的I2C串行EEPROM的在ISO微型模塊
文件頁數(shù): 10/16頁
文件大?。?/td> 474K
代理商: 24LC32AMODULE
24LC32A MODULE
1997 Microchip Technology Inc.
DS21225A-page 3
FIGURE 1-1:
BUS TIMING DATA
TABLE 1-3:
AC CHARACTERISTICS
Parameter
Symbol
Vcc = 2.5 - 6.0V
STD. MODE
Vcc = 4.5 - 6.0V
FAST MODE
Units
Remarks
Min
Max
Min
Max
Clock frequency
FCLK
100
400
kHz
Clock high time
THIGH
4000
600
ns
Clock low time
TLOW
4700
1300
ns
SDA and SCL rise time
TR
1000
300
ns
Note 1
SDA and SCL fall time
TF
300
300
ns
Note 1
START condition hold
time
THD:STA
4000
600
ns
After this period the rst clock pulse
is generated
START condition setup
time
TSU:STA
4700
600
ns
Only relevant for repeated START
condition
Data input hold time
THD:DAT
0
0
ns
Data input setup time
TSU:DAT
250
100
ns
STOP condition setup
time
TSU:STO
4000
600
ns
Output valid from clock
TAA
3500
900
ns
Note 2
Bus free time
TBUF
4700
1300
ns
Time the bus must be free before a
new transmission can start
Output fall time from VIH
min to VIL max
TOF
250
20
+0.1CB
250
ns
Note 1, CB
≤ 100 pF
Input lter spike sup-
pression (SDA and SCL
pins)
TSP
50
50
ns
Note 3
Write cycle time
TWR
5
5
ms
Byte or Page mode
Note 1: Not 100% tested. CB = total capacitance of one bus line in pF.
2: As a transmitter, the device must provide an internal minimum delay time to bridge the undened region
(minimum 300 ns) of the falling edge of SCL to avoid unintended generation of START or STOP conditions.
3: The combined TSP and VHYS specications are due to Schmitt trigger inputs which provide improved noise
and spike suppression. This eliminates the need for a Ti specication for standard operation.
SCL
SDA
IN
TSU:STA
SDA
OUT
THD:STA
TLOW
THIGH
TR
TBUF
TAA
THD:DAT
TSU:DAT
TSU:STO
TSP
TF
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