DS1248Y-70+ Maxim Integrated Products, DS1248Y-70+ Datasheet - Page 3

• Manufacturer Part Number: DS1248Y-70+
• Description: IC NVSRAM 1MBIT 70NS 32DIP
• Manufacturer: Maxim Integrated Products

Specifications of DS1248Y-70+

• Format - Memory: RAM
• Memory Type: NVSRAM (Non-Volatile SRAM)
• Memory Size: 1M (128K x 8)
• Speed: 70ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 32-DIP Module (600 mil), 32-EDIP
• Function: Clock/Calendar/NV Timekeeping RAM/Battery Backup
• Time Format: HH:MM:SS:hh
• Date Format: DW:DM:M:Y
• Rtc Memory Size: 131072 Byte
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: Through Hole
• Rtc Bus Interface: Phantom Clock or Parallel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIN DESCRIPTION
EDIP
10
11
12
23
25
26
27
28
31
13
14
15
17
18
19
20
21
22
24
29
30
32
16
2
3
4
5
6
7
8
9
1
PIN
PowerCap
4, 33, 34
32
30
25
24
23
22
21
20
19
18
28
29
27
26
31
16
15
14
13
12
11
10
17
1
3
2
9
8
7
6
5
NAME
GND
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
N.C.
RST
A16
A14
A12
A10
A11
A13
A15
V
WE
OE
CE
A7
A6
A5
A4
A3
A2
A1
A0
A9
A8
CC
Active-Low Reset Input. This pin has an internal pullup resistor
connected to V
Address Inputs
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 18
CC
.
FUNCTION