參數(shù)資料
型號: FM25L256
廠商: Electronic Theatre Controls, Inc.
元件分類: DRAM
英文描述: 4Kb FRAM Serial 3V Memory
中文描述: 4Kb的鐵電串行3V的記憶
文件頁數(shù): 10/14頁
文件大?。?/td> 152K
代理商: FM25L256
AC Parameters
(C
L
= 30pF)
FM25L256
Rev. 2.0
Apr. 2005
Page 10 of 14
V
DD
2.7 to 3.6V
(-40
°
C to +85
°
C)
Min
0
22
22
10
10
0
60
5
5
10
10
V
DD
3.0 to 3.6V
(0
°
C to +70
°
C)
Min
0
18
18
10
10
0
60
5
5
10
10
Symbol
f
CK
t
CH
t
CL
t
CSU
t
CSH
t
OD
t
ODV
t
OH
t
D
t
R
t
F
t
SU
t
H
t
HS
t
HH
t
HZ
t
LZ
Notes
1.
t
CH
+ t
CL
= 1/f
CK
.
2.
This parameter is characterized but not 100% tested.
3.
Rise and fall times measured between 10% and 90% of waveform.
Power Cycle Timing
(T
A
= -40
°
C to + 85
°
C, V
DD
= 2.7V to 3.6V)
Symbol
t
PU
Power Up (V
DD
min) to First Access (/CS low)
t
PD
Last Access (/CS high) to Power Down (V
DD
min)
t
VR
V
DD
Rise Time
t
VF
V
DD
Fall Time
Capacitance
(T
A
= 25
°
C, f=1.0 MHz, V
DD
= 3.3V)
Symbol
C
O
Output capacitance (SO)
C
I
Input capacitance
Notes
1.
This parameter is characterized and not 100% tested.
2.
Slope measured at any point on V
DD
waveform.
AC Test Conditions
Input Pulse Levels
Input rise and fall times
Input and output timing levels
Output Load Capacitance
Parameter
SCK Clock Frequency
Clock High Time
Clock Low Time
Chip Select Setup
Chip Select Hold
Output Disable Time
Output Data Valid Time
Output Hold Time
Deselect Time
Data In Rise Time
Data In Fall Time
Data Setup Time
Data Hold Time
/Hold Setup Time
/Hold Hold Time
/Hold Low to Hi-Z
/Hold High to Data Active
Max
20
20
22
50
50
20
20
Max
25
15
15
50
50
20
15
Units
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Notes
1
1
2
1,3
1,3
2
2
Parameter
Min
10
0
50
100
Max
-
-
-
-
Units
ms
μ
s
μ
s/V
μ
s/V
Notes
1,2
1,2
Parameter
Min
-
-
Max
8
6
Units
pF
pF
Notes
1
1
10% and 90% of V
DD
5 ns
0.5 V
DD
30 pF
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FM25L256B-DGTR 功能描述:F-RAM 256K (32Kx8) 2.7V RoHS:否 存儲容量:512 Kbit 組織:64 K x 8 接口:SPI 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube 制造商:Cypress Semiconductor
FM25L256B-G 功能描述:F-RAM 256K (32Kx8) 2.7V RoHS:否 存儲容量:512 Kbit 組織:64 K x 8 接口:SPI 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube 制造商:Cypress Semiconductor
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