DS1244 Maxim, DS1244 Datasheet - Page 3

• Manufacturer Part Number: DS1244
• Description: The DS1244 256k NV SRAM with a Phantom clock is a fully static nonvolatile RAM (NV SRAM) (organized as 32k words by 8 bits) with a built-in real-time clock
• Manufacturer: Maxim

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
Address Input/Active-Low Reset Input. This pin has an internal
pullup resistor connected to V
package.
Address Inputs
Data In/Data Out
Active-Low Chip-Enable Input
Active-Low Output-Enable Input
Active-Low Write-Enable Input
No Connection
Power-Supply Input
Ground
3 of 20
FUNCTION
CC
. A14 address on the EDIP