FM25L256-DGTR Cypress Semiconductor, FM25L256-DGTR Datasheet - Page 10

• Manufacturer Part Number: FM25L256-DGTR
• Description: F-RAM 256K (32Kx8) 2.7V
• Manufacturer: Cypress Semiconductor

Specifications of FM25L256-DGTR

• Product Category: F-RAM
• Rohs: yes
• Memory Size: 256 KB
• Organization: 32 K x 8
• Interface: SPI
• Operating Supply Voltage: 2.7 V to 3.6 V
• Operating Temperature Range: - 40 C to + 85 C
• Mounting Style: SMD/SMT
• Package / Case: DFN-8
• Factory Pack Quantity: 3000

AC Parameters (
Notes
1.
2.
3.
Power Cycle Timing
Notes
1.
2.
Capacitance (T
Notes
1.
AC Test Conditions
Input Pulse Levels
Input rise and fall times
Input and output timing levels
Output Load Capacitance
Rev. 2.4 (obsolete)
Feb. 2009
Symbol
f
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
C
C
Symbol
Symbol
CH
CL
CSU
CSH
OD
ODV
OH
D
R
F
SU
H
HS
HH
HZ
LZ
PU
PD
VR
VF
CK
O
I
t
This parameter is characterized but not 100% tested.
Rise and fall times measured between 10% and 90% of waveform.
Slope measured at any point on V
Ramtron cannot test or characterize all V
when V
100ms through the range of 0.4V to 1.0V.
This parameter is characterized and not 100% tested.
CH
+ t
CL
DD
= 1/f
Power Up (V
Last Access (/CS high) to Power Down (V
V
V
Output Capacitance (SO)
Input Capacitance
is below the level of a transistor threshold voltage. Ramtron strongly recommends that V
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
DD
DD
A
CK
Rise Time
Fall Time
T
= 25 C, f=1.0 MHz, V
.
A
= -25 C to +85 C, V
(T
A
DD
= -25 C to +85 C, V
min) to First Access (/CS low)
Parameter
DD
Parameter
10% and 90% of V
5 ns
0.5 V
30 pF
waveform.
DD
DD
DD
DD
= 3.0V to 3.6V,
= 3.3V)
power ramp profiles. The behavior of the internal circuits is difficult to predict
DD
= 3.0V to 3.6V)
DD
DD
min)
C
L
= 30pF)
Min
Min
22
10
10
10
22
60
10
-
-
0
0
5
5
Min
100
10
50
0
Max
Max
20
20
22
50
50
20
20
Max
8
6
FM25L256 Extended Temp.
-
-
-
-
Units
Units
MHz
Units
DD
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
s/V
s/V
pF
pF
s
power up faster than
Page 10 of 14
Notes
Notes
Notes
1,2
1,2
1,3
1,3
1
1
2
2
2
1
1