DS1244Y-70+ Maxim Integrated Products, DS1244Y-70+ Datasheet - Page 3

• Manufacturer Part Number: DS1244Y-70+
• Description: IC NVSRAM 256KBIT 70NS 28DIP
• Manufacturer: Maxim Integrated Products

Specifications of DS1244Y-70+

• Format - Memory: RAM
• Memory Type: NVSRAM (Non-Volatile SRAM)
• Memory Size: 256K (32K x 8)
• Speed: 70ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 28-DIP Module (600 mil), 28-EDIP
• Organization: 32 K x 8
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Operating Current: 85 mA
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIN DESCRIPTION
EDIP
10
21
23
24
25
26
11
12
13
15
16
17
18
19
20
22
27
—
28
14
1
2
3
4
5
6
7
8
9
1
PIN
PowerCap
2, 3, 4, 33,
32
30
25
24
23
22
21
20
19
18
28
29
27
26
31
16
15
14
13
12
11
10
34
17
1
9
8
7
6
5
A14/RST
NAME
GND
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
N.C.
A14
A12
A10
A11
A13
V
WE
OE
A7
A6
A5
A4
A3
A2
A1
A0
A9
A8
CE
CC
Active-Low Reset Input. This pin has an internal pullup resistor
connected to V
Data In/Data Out
Active-Low Chip-Enable Input
Active-Low Output-Enable Input
Active-Low Write-Enable Input
No Connect
Power-Supply Input
Ground
3 of 19
CC
. A14 address on the EDIP package.
FUNCTION