DS1642-100+ Maxim Integrated Products, DS1642-100+ Datasheet - Page 10

• Manufacturer Part Number: DS1642-100+
• Description: IC RAM TIMEKEEP NV 100NS 24-EDIP
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/NVSRAMr

Specifications of DS1642-100+

• 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
• Function: Clock/Calendar/NV Timekeeping RAM
• Rtc Memory Size: 2048 Byte
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: Through Hole
• Rtc Bus Interface: Parallel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

POWER-UP/POWER-DOWN AC CHARACTERISTICS
(T
POWER-UP/POWER-DOWN WAVEFORM TIMING
CAPACITANCE
(T
V
V
V
Power-up Recover Time
Expected Data Retention Time
(Oscillator On)
Capacitance on All Pins (except DQ)
Capacitance on DQ Pins
CE
A
A
CC
CC
CC
= 0°C to +70°C)
= +25°C)
or
Fall Time: V
Fall Time: V
Rise Time: V
WE
at V
PARAMETER
PARAMETER
IH
PF
PF
Before Power-Down
PF
(MAX) to V
(MIN) to V
(MIN) to V
BAT
PF
PF
(MAX)
(MIN)
SYMBOL
SYMBOL
10 of 13
t
C
t
t
C
t
REC
t
t
DR
PD
FB
R
F
IN
O
MIN
MIN
300
10
10
0
0
TYP
TYP
MAX
MAX
35
10
7
UNITS
UNITS
years
ms
pF
pF
s
s
s
s
NOTES
NOTES
DS1642
4, 5