M48T39Y 查看數據表（PDF） - STMicroelectronics
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M48T39Y Datasheet PDF : 4 Pages
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M48T39Y
Figure 2. DIP Connections
INTA
INTB
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
DQ0
DQ1
DQ2
VSS
1
32
2
31
3
30
4
29
5
28
6
27
7
26
8 M48T39Y 25
9
24
10
23
11
22
12
21
13
20
14
19
15
18
16
17
VCC
SQW
VCC
W
A13
A8
A9
A11
G
A10
E
DQ7
DQ6
DQ5
DQ4
DQ3
AI02312
Table 1. Signal Names
A0-A14
Address Inputs
DQ0-DQ7
Data Inputs / Outputs
E
Chip Enable Input
G
Output Enable Input
W
Write Enable Input
INTA
Interrupt Output A (Open Drain)
INTB
Interrupt Output B (Open Drain)
SQW
Square Wave Output
VCC
Supply Voltage
VSS
Ground
Table 2. Ordering Information Scheme
Example:
Device Type
M48T
Supply Voltage and Write Protect Voltage
39Y = VCC = 4.5V to 5.5V; VPFD = 4.2V to 4.5V
Speed
-100 = 100ns
-150 = 150ns
Package
PM = PMDIP32
Temperature Range
1 = 0 to 70 °C
M48T39Y
-100 PM 1
For a list of available options (Speed, Package, etc...) or for further information on any aspect of this de-
vice, please contact the ST Sales Office nearest to you.
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