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參數(shù)資料
| 型號(hào)： | X24640V20I |
| 英文描述： | 400KHz 2-Wire Serial E 2 PROM with Block Lock |
| 中文描述： | 400kHz的2線串行E的2座鎖胎膜早破 |
| 文件頁數(shù)： | 13/17頁 |
| 文件大?。?/td> | 85K |
| 代理商： | X24640V20I |
X24640
13
SYMBOL TABLE
WAVEFORM
INPUTS
OUTPUTS
Must be
steady
Will be
steady
May change
from Low to
High
May change
from High to
Low
Will change
from Low to
High
Will change
from High to
Low
Don’t Care:
Changes
Allowed
N/A
Changing:
State Not
Known
Center Line
is High
Impedance
7038 FM 17
The write cycle time is the time from a valid stop condition of a write sequence to the end of the internal erase/
program cycle. During the write cycle, the X24640 bus interface circuits are disabled, SDA is allowed to remain
HIGH, and the device does not respond to its slave address.
Bus Timing
tSU:STA
tHD:STA
tHD:DAT
tSU:DAT
tLOW
tSU:STO
tR
tBUF
SCL
SDA IN
SDA OUT
tDH
tAA
tF
tHIGH
7038 FM 14
Write Cycle Limits
7038 FRM T11
Symbol
t
WC(6)
Parameter
Min.
Typ.
(5)
Max.
Units
Write Cycle Time
5
10
ms
SCL
SDA
8th BIT
WORD n
ACK
tWC
STOP
CONDITION
START
CONDITION
7038 FM 15
Guidelines for Calculating Typical Values of
Bus Pull-Up Resistors
120
100
80
40
60
20
20
40
60
80
100 120
0
0
R
)
BUS CAPACITANCE (pF)
MIN.
RESISTANCE
MAX.
RESISTANCE
RMAX =
CBUS
tR
RMIN =
IOL MIN
VCC MAX=1.8K
7038 FM 16
Bus Timing
Notes: (5) Typical values are for T
A
= 25
°
C and nominal supply voltage (5V).
(6) t
WR
is the minimum cycle time to be allowed from the system perspective unless polling techniques are used. It is the maximum
time the device requires to automatically complete the internal write operation.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| X24640S8I-1.8 | 400KHz 2-Wire Serial E 2 PROM with Block Lock |
| X24640 | 400KHz 2-Wire Serial E 2 PROM with Block Lock |
| X24640P | 400KHz 2-Wire Serial E 2 PROM with Block Lock |
| X24640P-1.8 | 400KHz 2-Wire Serial E 2 PROM with Block Lock |
| X24640PI | 400KHz 2-Wire Serial E 2 PROM with Block Lock |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| X24640V20I-1.8 | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:400KHz 2-Wire Serial E 2 PROM with Block Lock |
| X24640V20I-2.5 | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:400KHz 2-Wire Serial E 2 PROM with Block Lock |
| X24641 | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:400 KHz 2-Wire Serial E 2 PROM |
| X24641S8 | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:400 KHz 2-Wire Serial E 2 PROM |
| X24641S8-1.8 | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:400 KHz 2-Wire Serial E 2 PROM |
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