M48T18-150PC STMicroelectronics, M48T18-150PC Datasheet - Page 11

• 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
Figure 6.
Figure 7.
A0-A12
E1
E2
W
DQ0-DQ7
A0-A12
E1
E2
W
DQ0-DQ7
WRITE enable controlled, WRITE AC waveform
Chip enable controlled, WRITE AC waveforms
tAVE2H
tAVE1L
tAVE1L
tAVE2H
tAVWL
tAVWL
tWLQZ
Doc ID 2411 Rev 10
tAVWH
tAVE1H
tAVE2L
tWLWH
VALID
tAVAV
VALID
tAVAV
tE1LE1H
tE2HE2L
tDVE1H
tDVE2L
tDVWH
DATA INPUT
DATA INPUT
tWHDX
tE1HDX
tE2LDX
tWHQX
tE1HAX
tE2LAX
tWHAX
Operation modes
AI00964B
AI00963
11/31