DS1249W-150 Maxim Integrated Products, DS1249W-150 Datasheet - Page 4

• Manufacturer Part Number: DS1249W-150
• Description: IC NVSRAM 2MBIT 150NS 32DIP
• Manufacturer: Maxim Integrated Products

Specifications of DS1249W-150

• Format - Memory: RAM
• Memory Type: NVSRAM (Non-Volatile SRAM)
• Memory Size: 2M (256K x 8)
• Speed: 150ns
• Interface: Parallel
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 32-DIP Module (600 mil), 32-EDIP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

AC ELECTRICAL CHARACTERISTICS
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
ODW
t
t
t
OEW
ACC
WR1
WR2
t
COE
DH1
DH2
WC
AW
OD
OH
WP
RC
OE
CO
DS
4 of 8
MIN
100
100
75
20
40
20
5
5
0
5
5
0
(T
DS1249W-100
A
: See Note 10; V
MAX
100
100
50
35
35
UNITS
CC
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
= 3.3V ± 0.3V)
NOTES
12
13
12
13
5
5
3
5
5
4
DS1249W