DS1225AB-85 Maxim Integrated Products, DS1225AB-85 Datasheet - Page 4

• Manufacturer Part Number: DS1225AB-85
• Description: IC NVSRAM 64KBIT 85NS 28DIP
• Manufacturer: Maxim Integrated Products

Specifications of DS1225AB-85

• Format - Memory: RAM
• Memory Type: NVSRAM (Non-Volatile SRAM)
• Memory Size: 64K (8K x 8)
• Speed: 85ns
• Interface: Parallel
• Voltage - Supply: 4.75 V ~ 5.25 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 28-DIP Module (600 mil), 28-EDIP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: DS1225AB85

AC ELECTRICAL CHARACTERISTICS
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 WE
Output Active from WE
Data Setup Time
Data Hold Time
OE to Output Valid
CE to Output Valid
OE or CE to Output Active
SYMBOL
t
t
t
t
t
t
t
t
t
t
t
t
t
ODW
t
t
t
OEW
WR1
WR2
t
ACC
COE
DH1
DH2
WC
AW
WP
CO
OD
OH
RC
OE
DS
4 of 9
MIN
70
70
55
10
30
10
5
5
0
0
5
0
DS1225AD-70
DS1225AB-70
(V
(V
MAX
CC
70
35
70
25
25
CC
=5V ± 10% for DS1225AD)
=5V ± 5% for DS1225AB)
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
(T
A
: See Note 10)
DS1225AB/AD
NOTES
12
13
12
13
5
5
3
5
5
4