FM28V010 Ramtron Corporation, FM28V010 Datasheet - Page 8

• Manufacturer Part Number: FM28V010
• Description: 128kbit Bytewide F-ram Memory Features
• Manufacturer: Ramtron Corporation

Read Cycle AC Parameters (T
Write Cycle AC Parameters (T
Notes
1
2
Power Cycle Timing (T
Notes
1
Rev. 1.0
Oct. 2010
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
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
VR
VF
PU
PD
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
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
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)
Address Hold Time (/CE-controlled)
Page Mode Address Setup Time
Page Mode Address Hold Time
Write Enable Low to /CE High
Write Enable Low to A(13:3) Change
A(13:3) 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
V
V
Power Up (V
Last Access to Power Down (V
DD
DD
Rise Time
Fall Time
A
= -40° C to +85° C, V
DD
min) to First Access Time
A
A
= -40° C to +85° C, C
DD
= -40° C to +85° C, unless otherwise specified)
waveform.
(to /WE low)
(to /WE low)
DD
DD
min)
= 2.0V to 3.6V unless otherwise specified)
L
= 30 pF, unless otherwise specified)
V
V
Min
Min
DD
105
105
105
DD
20
70
35
70
70
70
35
40
22
70
20
30
30
20
3
0
0
8
0
5
0
0
-
-
-
-
-
-
-
2.0 to 2.7V
2.0 to 2.7V
Max
Max
105
70
40
25
10
10
10
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Min
100
250
50
0
V
V
Min
Min
DD
90
20
60
30
60
DD
90
60
30
30
18
60
15
25
25
90
15
60
3
0
-
-
-
-
-
-
0
5
0
5
0
0
-
FM28V010 - 16Kx8 F-RAM
2.7 to 3.6V
2.7 to 3.6V
Max
-
-
-
-
Max
Max
60
90
30
15
10
10
10
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Units
µs/V
µs/V
µs
µs
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
Notes
Page 8 of 13
1
1
Notes
Notes
1,2
1,2
1
1
1
1