M4T28-BR12SH1 STMicroelectronics, M4T28-BR12SH1 Datasheet - Page 20

• Manufacturer Part Number: M4T28-BR12SH1
• Description: IC SNAPHAT BATT/CRYSTAL 28-SOIC
• Manufacturer: STMicroelectronics

Specifications of M4T28-BR12SH1

• Battery Type: Li-(CF)
• Operating Supply Voltage: 0 V to 2.8 V
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Package / Case: SOIC-28
• Mounting Style: SMD/SMT
• Ic Function: Timekeeper (Battery & Crystal)
• Supply Voltage Range: 2.8V
• Operating Temperature Range: 0°C To +70°C
• Digital Ic Case Style: SNAPHAT
• No. Of Pins: 28
• Termination Type: SMD
• Rohs Compliant: Yes
• Filter Terminals: SMD
• External Depth: 14.99mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-3686-5

DC and AC parameters
Table 9.
1. Valid for ambient operating temperature: T
2. Outputs deselected.
3. Negative spikes of –1 V allowed for up to 10 ns once per cycle.
Figure 13. Power down/up mode AC waveforms
20/29
Symbol
I
V
I
I
V
LO
V
V
I
CC1
CC2
I
IL
CC
OH
OL
LI
IH
(2)
(3)
V CC
V PFD (max)
V PFD (min)
V SO
INPUTS
OUTPUTS
DC characteristics
Input leakage current
Output leakage current
Supply current
Supply current (standby) TTL
Supply current (standby) CMOS
Input low voltage
Input high voltage
Output low voltage
Output high voltage
tPD
(PER CONTROL INPUT)
VALID
Parameter
RECOGNIZED
tF
A
= 0 to 70 °C; V
tFB
Doc ID 6845 Rev 8
0 V ≤ V
Test condition
0 V ≤ V
E = V
CC
Outputs open
I
I
OL
OH
= 3.0 to 3.6 V (except where noted).
E = V
tDR
= 2.1 mA
CC
= –1 mA
OUT
IN
– 0.2 V
IH
DON'T CARE
HIGH-Z
≤ V
≤ V
CC
CC
(1)
tRB
–0.3
Min
2.2
2.4
M48T35AV
tR
(PER CONTROL INPUT)
trec
V
RECOGNIZED
CC
VALID
Max
0.8
0.4
±1
±1
30
2
2
+ 0.3
M48T35AV
AI01168C
Unit
mA
mA
mA
µA
µA
V
V
V
V