m48t212a STMicroelectronics, m48t212a Datasheet - Page 9

• Manufacturer Part Number: m48t212a
• Description: 3.3v Timekeeper Controller
• Manufacturer: STMicroelectronics

Figure 7. Read Cycle Timing: RTC Control Signals
Figure 8. Write Cycle Timing: RTC Control Signals
ADDRESS
E
G
W
DQ7-DQ0
ADDRESS
E
G
W
DQ0-DQ7
tAVEL
DATA OUT
tAVWL
VALID
tGLQX
tEHQZ
tAVEH
tELQX
WRITE
tELQV
tELEH
READ
tAVAV
tAVAV
tGLQV
tWLWH
DATA IN
VALID
tEHDX
tDVEH
DATA OUT
VALID
tEHAX
tAVWH
tAVQV
tDVWH
WRITE
tAVAV
tAVAV
READ
tWHAX
tAXQX
DATA IN
VALID
DATA OUT
tWHQX
VALID
tAVWL
tWLWH
tWHDX
WRITE
tAVAV
tAVAV
READ
tAVQV
tGLQV
tGHQZ
DATA OUT
tWLQZ
DATA IN
VALID
VALID
AI02640
AI02641
tWHAX
M48T212A
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