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FM24V02 bảng dữ liệu(PDF) 13 Page - Ramtron International Corporation

tên linh kiện FM24V02
Giải thích chi tiết về linh kiện  256Kb Serial 3V F-RAM Memory
PDF  16 Pages
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nhà sản xuất  RAMTRON [Ramtron International Corporation]
Trang chủ  http://www.ramtron.com
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FM24V02 bảng dữ liệu(HTML) 13 Page - Ramtron International Corporation

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FM24V02 - 256Kb I2C FRAM
Rev. 2.0
May 2010
Page 13 of 16
AC Parameters (TA = -40
° C to + 85° C, VDD =2.0V to 3.6V unless otherwise specified)
F/S-mode
(CL<500pF)
HS-mode
(CL<100pF)
Symbol
Parameter
Min
Max
Min
Max
Units
Notes
fSCL
SCL Clock Frequency
0
1.0
0
3.4
MHz
1
tLOW
Clock Low Period
500
160
ns
tHIGH
Clock High Period
260
60
ns
tAA
SCL Low to SDA Data Out Valid
450
130
ns
tBUF
Bus Free Before New Transmission
0.5
0.3
µs
tHD:STA
Start Condition Hold Time
260
160
ns
tSU:STA
Start Condition Setup for Repeated Start
260
160
ns
tHD:DAT
Data In Hold
0
0
ns
tSU:DAT
Data In Setup
50
10
ns
3
tR
Input Rise Time
120
80
ns
2
tF
Input Fall Time
120
80
ns
2
tSU:STO
Stop Condition Setup
260
160
ns
tDH
Data Output Hold (from SCL @ VIL)
0
0
ns
tSP
Noise Suppression Time Constant on SCL, SDA
50
5
ns
Notes: All SCL specifications as well as start and stop conditions apply to both read and write operations.
1.
The speed-related specifications are guaranteed characteristic points along a continuous curve of operation from DC to fSCL
(max).
2.
This parameter is periodically sampled and not 100% tested.
3.
In HS-mode and VDD < 2.7V, the tSU:DAT (min.) spec is 15ns.
Capacitance (TA = 25
° C, f=1.0 MHz, VDD = 3.3V)
Symbol
Parameter
Min
Max
Units
Notes
CI/O
Input/Output Capacitance (SDA)
-
8
pF
1
CIN
Input Capacitance
-
6
pF
1
Notes
1.
This parameter is periodically sampled and not 100% tested.
Power Cycle Timing (TA = -40
° C to +85° C, VDD = 2.0V to 3.6V)
Symbol
Parameter
Min
Max
Units
Notes
tVR
VDD Rise Time
50
-
µs/V
1,2
tVF
VDD Fall Time
100
-
µs/V
1,2
tPU
Power Up (VDD min) to First Access (Start condition)
250
-
µs
tPD
Last Access (Stop condition) to Power Down (VDD min)
0
-
µs
tREC
Recovery Time from Sleep Mode
-
400
µs
Notes
1.
This parameter is characterized and not 100% tested.
2.
Slope measured at any point on VDD waveform.



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