MAX6902ETA+T Maxim Integrated Products, MAX6902ETA+T Datasheet - Page 3

• Manufacturer Part Number: MAX6902ETA+T
• Description: IC RTC SPI COMPAT 8-TDFN
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/NVSRAMr

Specifications of MAX6902ETA+T

• Memory Size: 31B
• Time Format: HH:MM:SS (12/24 hr)
• Date Format: YY-MM-DD-dd
• Interface: SPI, 3-Wire Serial
• Voltage - Supply: 2 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-TDFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: MAX6902ETA+TTR

AC ELECTRICAL CHARACTERISTICS
(V
Notes 1, 4)
Note 1: All parameters are 100% tested at T
Note 2: I
Note 3: Timekeeping current is specified with CS = V
Note 4: All values referred to V
OSCILLATOR
X1 to Ground
Capacitance
X2 to Ground
Capacitance
SPI SERIAL TIMING
Maximum Input Rise
Time
Maximum Input Fall
Time
Output Rise Time
Output Fall Time
SCLK Period
SCLK High Time
SCLK Low Time
SCLK Fall to DOUT
Valid
DIN to SCLK Setup
Time
DIN to SCLK Hold
Time
SCLK Rise to CS
Rise Hold Time
CS High Pulse Width
CS High to DOUT
High Impedance
CS to SCLK Setup
Time
CC
= +2.0V to +5.5V, T
PARAMETER
not production tested.
CC
is specified with DOUT open, CS = DIN = GND, SCLK = 4MHz at V
_______________________________________________________________________________________
A
SYMBOL
= -40°C to +85°C. Typical values are at V
t
t
t
t
t
t
rOUT
fOUT
CSW
t
t
t
t
t
t
t
t
CSH
CSZ
CSS
CH
DO
DH
rIN
fIN
CP
CL
DS
IH
min and V
DIN, SCLK, CS
DIN, SCLK, CS
DOUT, C
DOUT, C
V
V
C
CC
CC
LOAD
IL
= +2V
= +5V
A
= +25°C. Limits over temperature are guaranteed by design and characterization and
max levels.
= 100pF
LOAD
LOAD
SPI-Compatible RTC in a TDFN
CC
= 100pF
= 100pF
, SCLK = DIN = GND, DOUT = 100kΩ to GND.
CONDITIONS
CC
= +3.3V, T
CC
= +5V; SCLK = 1MHz at V
A
= +25°C, unless otherwise noted.) (Figure 5,
1000
MIN
238
100
100
100
200
100
2
2
TYP
25
25
10
10
2
2
CC
= +2.0V.
MAX
100
100
UNITS
pF
pF
μs
μs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
3