m48t37v STMicroelectronics, m48t37v Datasheet - Page 22

• Manufacturer Part Number: m48t37v
• Description: 5.0 Or 3.3v, 256 Kbit 32 Kbit X 8 Timekeeper Sram
• Manufacturer: STMicroelectronics

Table 11.
1. Valid for Ambient Operating Temperature: T
2. WDI internally pulled down to VSS through a 100k
3. Outputs deselected.
Figure 13. Power down/up mode AC waveforms
22/29
Symbol
I
I
I
I
LO
V
V
noted).
LI
I
V
CC1
CC2
V
CC
OH
OL
IH
(2)
IL
(3)
V CC
V PFD (max)
V PFD (min)
V SO
RST
INPUTS
OUTPUTS
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
(standard)
Output Low Voltage
(open drain)
Output High Voltage
DC characteristics
Parameter
VALID
VALID
tF
A
Test condition
0V
= 0 to 70°C or –40 to 85°C; V
0V
E = V
Outputs open
tFB
I
I
I
OL
OH
OL
E = V
V
resistor.
V
= 2.1mA
CC
= 10mA
= –1mA
OUT
IN
– 0.2V
IH
V
V
CC
CC
(1)
tDR
DON'T CARE
HIGH-Z
–0.3
Min
2.2
2.4
M48T37Y
CC
–70
= 4.5 to 5.5V or 3.0 to 3.6V (except where
V
CC
tRB
Max
0.8
0.4
0.4
±1
±1
50
3
3
+ 0.3
–0.3
Min
2.2
2.4
tR
M48T37V
–100
tREC
V
VALID
VALID
CC
Max
0.8
0.4
0.4
±1
±1
33
2
2
AI03078
+ 0.3
Unit
mA
mA
mA
µA
µA
V
V
V
V
V