m48t201y STMicroelectronics, m48t201y Datasheet - Page 12

• Manufacturer Part Number: m48t201y
• Description: 3.3v-5v Timekeeper Controller
• Manufacturer: STMicroelectronics

Operation
Figure 5.
12/37
ADDRESS
E
G
G CON
E CON
W
DQ0-DQ7
Read cycle timing: RTC and external RAM control signals
tEPD
tGLQX
tELQX
tELQV
READ
tAVAV
tGLQV
DATA OUT
VALID
tAVQV
tAVAV
READ
tAXQX
DATA OUT
VALID
tAVWL
tWLWH
tRO
WRITE
tAVAV
M48T201Y, M48T201V
tGHQZ
DATA IN
VALID
AI02334
tWHAX