FM20L08_07 RAMTRON [Ramtron International Corporation], FM20L08_07 Datasheet - Page 9

• Manufacturer Part Number: FM20L08_07
• Description: 1Mbit Bytewide FRAM Memory - Industrial Temp.
• Manufacturer: RAMTRON [Ramtron International Corporation]

Read Cycle AC Parameters
Write Cycle AC Parameters
Notes
1
2
Power Cycle Timing
Notes
1
Rev. 1.72
May 2007
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
Symbol
t
t
t
t
t
t
RC
CE
AA
OH
AAP
OHP
CA
PC
AS
AH
OE
HZ
OHZ
WC
CA
CW
PC
PWC
WP
AS
AH
ASP
AHP
WLC
WLA
AWH
DS
DH
WZ
WX
WS
WH
PULV
PDLV
PU
PD
VR
VF
This parameter is characterized but not 100% tested.
The relationship between /CE and /WE determines if a /CE- or /WE-controlled write occurs.
Slope measured at any point on V
Parameter
Write Cycle Time
Chip Enable Active Time
Chip Enable to Write Enable High
Precharge Time
Page Mode Write Enable Cycle Time
Write Enable Pulse Width
Address Setup Time (to /CE low)
Page Mode Address Setup Time
Page Mode Address Hold Time
Write Enable Low to /CE High
Write Enable Low to A(16:3) Change
A(16:3) Change to Write Enable High
Data Input Setup Time
Data Input Hold Time
Write Enable Low to Output High Z
Write Enable High to Output Driven
Write Enable to /CE Low Setup Time
Write Enable to /CE High Hold Time
Parameter
Read Cycle Time
Chip Enable Access Time
Address Access Time
Output Hold Time
Page Mode Address Access Time
Page Mode Output Hold Time
Chip Enable Active Time
Precharge Time
Address Setup Time (to /CE low)
Address Hold Time (/CE-controlled)
Output Enable Access Time
Chip Enable to Output High-Z
Output Enable High to Output High-Z
Address Hold Time (/CE-controlled)
Parameter
Power Up to /LVL Inactive Time (V
Power Down to /LVL Active Time (V
Power Up (/LVL high) to First Access Time
Last Access (/CE high) to Power Down (V
V
V
DD
DD
Rise Time
Fall Time
(T
A
= -40
(T
(T
A
C to +85
A
= -40
= -40
DD
waveform.
C to +85
C to +85
C, V
(to /WE low)
(to /WE low)
DD
= 3.3V
C, C
TP
C, V
TP
to /LVL high)
L
to /LVL low)
= 30 pF, V
DD
+10%, -5%
DD
= 3.3V
min)
+10%, -5%
DD
= 3.3V
unless otherwise specified)
Min
Min
290
350
290
350
350
50
60
60
60
60
30
15
60
15
25
25
20
+10%, -5%
5
5
5
5
0
5
0
0
-
-
-
-
-
-
-
Min
100
50
unless otherwise specified)
0
0
0
0
-60
-60
FM20L08 - Industrial Temp.
Max
Max
unless otherwise specified)
350
Max
60
25
10
15
15
15
15
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
5
-
-
-
-
Units
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
s/V
s/V
s
s
s
Notes
Notes
Notes
1,2
1,2
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