DS1742-70 Maxim Integrated Products, DS1742-70 Datasheet - Page 8

• Manufacturer Part Number: DS1742-70
• Description: IC RTC RAM Y2K 5V 70NS 24-EDIP
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/NVSRAM/Y2Kr

Specifications of DS1742-70

• Memory Size: 16K (2K x 8)
• Time Format: HH:MM:SS (24 hr)
• Date Format: YY-MM-DD-dd
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: 24-DIP (600 mil) Module
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

DC ELECTRICAL CHARACTERISTICS
(V
AC CHARACTERISTICS—READ CYCLE (5V)
(V
Active Supply Current
TTL Standby Current (
CMOS Standby Current
(
Input Leakage Current (any input)
Output Leakage Current
(Any Output)
Output Logic 1 Voltage
(I
Output Logic 0 Voltage
(I
Write Protection Voltage
Battery Switchover Voltage
Read Cycle Time
Address Access Time
Output Hold from Address
CE
CE
CE
OE
OE
OE
CC
CC
CE
OUT
OUT
= 3.3V ±10%, Over the operating range.)
= 5.0V ±10%, Over the operating range.)
to DQ Low-Z
Access Time
Data Off time
to DQ Low-Z
Access Time
Data Off Time
³ V
= -1.0mA)
=2.1mA)
PARAMETER
CC
PARAMETER
- 0.2V)
CE
= V
IH
SYMBOL
)
t
t
t
t
t
t
t
t
t
CEA
OEL
OEA
OEZ
CEL
CEZ
RC
AA
OH
SYMBOL
V
I
I
V
V
V
I
I
CC1
CC2
I
CC
OL
IL
OH
OL
SO
PF
70ns ACCESS
MIN
70
5
5
5
8 of 15
MIN
2.80
2.4
-1
-1
MAX
70
70
25
35
25
V
TYP
BAT
V
0.7
0.7
10
100ns ACCESS
PF
MIN
100
or
5
5
5
MAX
2.97
0.4
30
+1
+1
MAX
2
2
100
100
35
55
35
UNITS
UNITS
mA
mA
mA
mA
mA
V
V
ns
ns
ns
ns
ns
ns
ns
ns
ns
NOTES
NOTES
2, 3
2, 3
2, 3
1, 4
1
1
1