M48T35Y-70MH1E STMicroelectronics, M48T35Y-70MH1E Datasheet - Page 6

• Manufacturer Part Number: M48T35Y-70MH1E
• Description: IC TIMEKPR NVRAM 256KBIT5V 28SOI
• Manufacturer: STMicroelectronics
• Series: Timekeeper®r
• Type: Clock/Calendar/NVSRAMr

Specifications of M48T35Y-70MH1E

• Memory Size: 256K (32K x 8)
• Time Format: HH:MM:SS (24 hr)
• Date Format: YY-MM-DD-dd
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 28-SOIC, 28-SOH (8.48mm Width)
• Function: Clock/Calendar/NV Timekeeping RAM/Watchdog Timer/Battery Backup
• Rtc Memory Size: 32768 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: SMD/SMT
• Rtc Bus Interface: Parallel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-2849-5; M48T35Y-70MH1

Description
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Table 1.
Figure 2.
Figure 3.
A0-A14
DQ0-DQ7
E
G
W
V
V
CC
SS
Signal names
DIP connections
SOIC connections
DQ0
DQ1
DQ2
V SS
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
Doc ID 2611 Rev 9
DQ0
DQ1
DQ2
V SS
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
Address inputs
Data inputs / outputs
Chip enable
Output enable
WRITE enable
Supply voltage
Ground
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
M48T35Y
M48T35Y
M48T35
28
27
26
25
24
23
22
21
20
19
18
17
16
15
28
27
26
25
24
23
22
21
20
19
18
17
16
15
V CC
W
A13
A8
A9
A11
G
A10
E
DQ7
DQ6
DQ5
DQ4
DQ3
V CC
W
A13
A8
A9
A11
G
A10
E
DQ7
DQ6
DQ5
DQ4
DQ3
M48T35, M48T35Y
AI01622B
AI01621B