DS1500WN Maxim Integrated Products, DS1500WN Datasheet - Page 6

• Manufacturer Part Number: DS1500WN
• Description: IC RTC Y2KC W/NV CTRL 32-DIP
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/WDT/NVSRAM/Y2Kr

Specifications of DS1500WN

• Memory Size: 2K (256 x 8)
• Time Format: HH:MM:SS (24 hr)
• Date Format: YY-MM-DD-dd
• Interface: Parallel
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Through Hole
• Package / Case: 32-DIP Module (600 mil), 32-EDIP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Figure 4. Burst Mode Timing Waveform
POWER-UP/DOWN CHARACTERISTICS
CAPACITANCE
(T
AC TEST CONDITIONS
O E , W E , O R C S
CS, CEI, or WE at V
V
V
V
V
Capacitance on All Input Pins
Capacitance on IRQ, PWR, RST, and DQ Pins
A
CCI
CCI
CCI
PF
= +25°C)
(W) 25pF + 1 TTL Gate
(Y) 50pF + 1TTL Gate
D Q 0 – D Q 7
to RST High
Fall Time: V
Fall Time: V
Rise Time: V
OUTPUT LOAD
A 0 – A 4
PARAMETER
PF(MAX)
PF(MIN)
PARAMETER
PF(MIN)
IH
Before Power-Fail
to V
to V
to V
SO
PF(MIN)
PF(MAX)
INPUT PULSE
1 3 h
P W
0V to 3.0V for
5V operation
LEVELS
L O W
SYMBOL
P W
t
t
t
REC
t
t
PF
FB
R
F
H IG H
SYMBOL
6 of 19
(Figure 5)
C
C
IO
IN
TIMING MEASUREMENT
DS1500 Y2KC Watchdog RTC with Nonvolatile Control
REFERENCE LEVELS
CONDITIONS
Output: 1.5V
Input: 1.5V
MIN
MIN
300
10
35
TYP
0
0
TYP
INPUT PULSE RISE
AND FALL TIMES
MAX
10
10
MAX
200
5ns
UNITS
UNITS
pF
pF
ms
s
s
s
s