DS1743P DALLAS [Dallas Semiconductor], DS1743P Datasheet - Page 7

• Manufacturer Part Number: DS1743P
• Description: Y2KC Nonvolatile Timekeeping RAM
• Manufacturer: DALLAS [Dallas Semiconductor]

DC ELECTRICAL CHARACTERISTICS
READ CYCLE, AC CHARACTERISTICS
PARAMETER
Active Supply Current
TTL Standby Current (
CMOS Standby Current
(
GND + 0.2V)
Input Leakage Current (any input)
Output Leakage Current
(any output)
Output Logic 1 Voltage
(I
Output Logic 0 Voltage
(I
Write Protection Voltage
Battery Switch-over Voltage
PARAMETER
Read Cycle Time
Address Access Time
CE2 Access Time
Output Hold from Address
CE
CE
CE
OE
OE
OE
CE
OUT
OUT
to CE2 to DQ Low-Z
Access Time
and CE2 Data Off time
to DQ Low-Z
Access Time
Data Off Time
= -1.0 mA)
=2.1 mA)
= V
CC
- 0.2V, CE2 =
CE
= V
IH
)
SYMBOL
SYMBOL
V
t
V
I
I
V
t
t
t
V
t
t
t
CE2A
I
I
t
t
t
I
CEA
OEL
OEA
OEZ
CC1
CC2
CEL
CEZ
CC
OL
RC
AA
OH
OL1
IL
OH
SO
PF
(Over the Operating Range; V
(Over the Operating Range; V
7 of 17
MIN
MIN
2.80
70 ns access
2.4
70
-1
-1
5
5
5
MAX
or V
TYP
V
70
70
80
25
35
25
0.7
0.7
10
BAT
PF
100 ns access
MIN
100
5
5
5
MAX
2.97
0.4
+1
+1
30
2
2
MAX
100
100
105
35
55
35
UNITS
CC
CC
UNITS
mA
mA
mA
V
V
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
A
A
= 3.3V
= 5.0V
DS1743/DS1743P
NOTES
NOTES
2, 3
2, 3
2, 3
1, 4
1
1
1
5
5
5
5
5
5
5
5
5
5
10%)
10%)