M41T94MH6F STMicroelectronics, M41T94MH6F Datasheet - Page 29

• Manufacturer Part Number: M41T94MH6F
• Description: IC RTC SPI SRAM SER 64X8 28-SOIC
• Manufacturer: STMicroelectronics
• Type: Clock/Calendar/Alarmr

Specifications of M41T94MH6F

• Memory Size: 44B
• Time Format: HH:MM:SS:hh (24 hr)
• Date Format: YY-MM-DD-dd
• Interface: SPI, 3-Wire Serial
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-SOIC, 28-SOH (8.48mm Width)
• Bus Type: Serial (SPI)
• User Ram: 64Byte
• Operating Supply Voltage (typ): 3.3/5V
• Package Type: SOH
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 2.7V
• Operating Temperature Classification: Industrial
• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Pin Count: 28
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-5372-2; M41T94MH6F

M41T94
6
DC and AC parameters
This section summarizes the operating and measurement conditions, as well as the DC and
AC characteristics of the device. The parameters in the following DC and AC characteristic
tables are derived from tests performed under the measurement conditions listed in the
relevant tables. Designers should check that the operating conditions in their projects match
the measurement conditions when using the quoted parameters.
Table 11.
1. Output Hi-Z is defined as the point where data is no longer driven.
Figure 16. AC testing input/output waveforms
Table 12.
1. Effective capacitance measured with power supply at 5 V; sampled only, not 100% tested.
2. At 25°C, f = 1 MHz.
3. Outputs are deselected.
V
Ambient operating temperature
Load capacitance (C
Input rise and fall times
Input pulse voltages
Input and output timing ref. voltages
CC
Symbol
C
OUT
C
supply voltage
t
LP
IN
(3)
DC and AC measurement conditions
Capacitance
Input capacitance
Output capacitance
Low-pass filter input time constant (SDA and SCL)
L
)
0.8V CC
0.2V CC
Parameter
Parameter
(1)(2)
(1)
0.7V CC
0.3V CC
AI02568
Min
DC and AC parameters
0.2 to 0.8V
0.3 to 0.7V
–40 to 85°C
2.7 to 5.5 V
M41T94
100 pF
50 ns
Max
10
50
7
CC
CC
Unit
pF
pF
ns
29/41