DS1270AB Maxim, DS1270AB Datasheet - Page 4

• Manufacturer Part Number: DS1270AB
• Description: The DS1270 16M Nonvolatile SRAMs are 16,777,216-bit, fully static nonvolatile SRAMs organized as 2,097,152 words by 8 bits
• Manufacturer: Maxim

AC ELECTRICAL
CHARACTERISTICS
TIMING DIAGRAM: READ CYCLE
PARAMETER
Read Cycle Time
Access Time
Output High Z from Deselection
Output Hold from Address Change
Write Cycle Time
Write Pulse Width
Address Setup Time
Write Recovery Time
Output High Z from
Output Active from
Data Setup Time
Data Hold Time
OE
CE
OE
to Output Valid
to Output Valid
or
CE
to Output Active
SEE NOTE 1
WE
WE
SYMBOL
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
ODW
OEW
WR1
WR2
t
ACC
COE
DH1
DH2
WC
WP
AW
CO
OD
OH
RC
OE
DS
(T
A
: See Note 10) (V
4 of 8
MIN
70
70
55
15
30
10
5
5
0
5
5
0
DS1270AB-70
DS1270Y-70
(V
MAX
CC
CC
70
35
70
25
25
=5V ± 5% for DS1270AB)
=5V ± 10% for DS1270Y)
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
DS1270Y/AB
NOTES
12
13
12
13
5
5
3
5
5
4