m4t28-br12sh6tr STMicroelectronics, m4t28-br12sh6tr Datasheet - Page 7

• Manufacturer Part Number: m4t28-br12sh6tr
• Description: 64 Kbit 8kb X8 Timekeeper Sram With Address/data Multiplexed
• Manufacturer: STMicroelectronics

Figure 6. Read Mode AC Waveforms
Note: AD5-AD7 are don’t care when latching upper address.
Figure 7. Write Mode AC Waveform
Note: AD5-AD7 are don’t care when latching upper address.
E
AS0
AS1
R
AD0-AD7
E
AS0
AS1
W
AD0-AD7
LOW ADDRESS VALID
tAS
LOW ADDRESS VALID
tAS
tASLASH
tASLASH
tAH
tAH
UPPER ADDRESS VALID
UPPER ADDRESS VALID
tAS
tAS
tASLASH
tASLASH
tASHRL
tAH
tASHWL
tAH
tRLDV
tELEH
tELEH
tELRL
tELWL
tRLRH
tDS
DATA IN VALID
DATA OUT
VALID
tWLWH
AI01671B
AI01672B
tEHDZ
tRHDZ
M48T559Y
tEHDZ
tDH
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