DS1254 Maxim, DS1254 Datasheet - Page 10

• Manufacturer Part Number: DS1254
• Description: The DS1254 is a fully nonvolatile static RAM (NV SRAM) (organized as 2M words by 8 bits) with built-in real-time clock
• Manufacturer: Maxim

Figure 5. Memory Write Cycle Timing, Write-Enable Controlled (Notes 5, 6, 8, 10, 11, 12,
and 13)
Figure 6. Memory Write Cycle Timing, Chip-Enable Controlled (Notes 5, 7, 8, 10, 11, 12,
and 13)
ADDRESS
DQ0–DQ7
ADDRESS
DQ0–DQ7
WE
CE
WE
CE
t
COE
t
AW
t
AW
10 of 17
t
ODW
t
WP
t
t
t
WP
ODW
WC
t
WC
t
DS
t
DS
DATA IN
STABLE
DATA IN
STABLE
t
DH1
t
DH2
t
OEW
t
AH1
t
AH2
DS1254