DS1554-100 DALLAS [Dallas Semiconductor], DS1554-100 Datasheet - Page 12

• Manufacturer Part Number: DS1554-100
• Description: 256K NV Y2KC Timekeeping RAM
• Manufacturer: DALLAS [Dallas Semiconductor]

READ CYCLE, AC CHARACTERISTICS
READ CYCLE, AC CHARACTERISTICS
PARAMETER
Read Cycle Time
Address Access Time
Output Hold from Address
PARAMETER
Read Cycle Time
Address Access Time
Output Hold from Address
CE
CE
CE
OE
OE
OE
CE
CE
CE
OE
OE
OE
to DQ Low-Z
Access Time
Data Off time
to DQ Low-Z
Access Time
Data Off Time
to DQ Low-Z
Access Time
Data Off time
to DQ Low-Z
Access Time
Data Off Time
SYMBOL
SYMBOL
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
CEA
OEL
OEA
OEZ
CEA
OEL
OEA
OEZ
CEL
CEZ
CEL
CEZ
RC
AA
OH
RC
AA
OH
12 of 21
120 ns access
MIN
MIN
70 ns access
120
70
5
5
5
5
5
5
MAX
MAX
120
120
100
70
70
25
35
25
40
35
(0 C to 70 C; V
(0 C to 70 C; V
100 ns access
150 ns access
MIN
MIN
100
150
5
5
5
5
5
5
MAX
MAX
100
100
150
150
130
35
55
35
50
35
CC
CC
UNITS
UNITS
= 5.0V 10%)
= 3.3V 10%)
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
NOTES
NOTES
DS1554