DS1543-70 Maxim Integrated Products, DS1543-70 Datasheet - Page 14

• Manufacturer Part Number: DS1543-70
• Description: IC RTC NV RAM 5V 70NS 28-EDIP
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/NVSRAMr

Specifications of DS1543-70

• Memory Size: 64K (8K 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: 28-DIP Module (600 mil), 28-EDIP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

POWER-UP/DOWN CHARACTERISTICS
POWER-UP/DOWN WAVEFORM TIMING 5-VOLT DEVICE Figure 8
PARAMETER
Power-Down
V
V
V
V
V
V
Expected Data Retention Time
(Oscillator On)
CE
CC
PF(Min)
CC
CC
PF(MAX)
PF
or
to
Fall Time: V
Fall Time: V
Rise Time: V
RST
WE
at V
High
IH
PF(MAX)
PF(MIN)
PF(MIN)
, Before
to V
to
to
SO
SYMBOL
t
t
t
t
REC
t
t
DR
PD
FB
R
F
14 of 17
MIN
300
10
40
10
0
0
TYP
MAX
200
(V
CC
UNITS
years
ms
= 5.0V 10%)
s
s
s
s
NOTES
6, 7
DS1543