M48T18-150PC STMicroelectronics, M48T18-150PC Datasheet - Page 23

• Manufacturer Part Number: M48T18-150PC
• Description: IC, TIMEKEEPER, YY-MM-DD-dd, 8KX8, DIP28
• Manufacturer: STMicroelectronics

Specifications of M48T18-150PC

• Clock Format: HH
• Clock Ic Type: Timekeeper
• Memory Configuration: 8K X 8
• Supply Voltage Range: 4.5V To 5.5V
• Digital Ic Case Style: DIP
• No. Of Pins: 28
• Date Format: YY-MM-DD-dd
• Memory Size: 64Kbit
• Nvram Features: RTC, Internal Battery, XTAL
• Interface Type: Parallel
• Access Time: 150ns
• Memory Case Style: DIP
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

M48T08, M48T08Y, M48T18
6
Note:
Package mechanical data
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK
specifications, grade definitions and product status are available at: www.st.com.
ECOPACK
Figure 13. PCDIP28 – 28-pin plastic DIP, battery CAPHAT™, package outline
Drawing is not to scale.
Table 12.
Symb
A1
A2
B1
eA
e1
e3
A
B
C
D
E
N
L
®
®
packages, depending on their level of environmental compliance. ECOPACK
is an ST trademark.
PCDIP28 – 28-pin plastic DIP, battery CAPHAT™, package mech. data
33.02
Typ
B1
N
1
39.37
17.83
15.24
Doc ID 2411 Rev 10
8.89
0.38
8.38
0.38
1.14
0.20
2.29
3.05
mm
Min
28
e3
D
B
e1
39.88
18.34
16.00
A1
Max
9.65
0.76
8.89
0.53
1.78
0.31
2.79
3.81
A2
E
A
L
Typ
1.3
eA
Package mechanical data
inches
0.350
0.015
0.330
0.015
0.045
0.008
1.550
0.702
0.090
0.600
0.120
Min
28
C
0.380
0.030
0.350
0.021
0.070
0.012
1.570
0.722
0.110
0.630
0.150
Max
PCDIP
23/31
®