參數(shù)資料
型號(hào): DS1212
英文描述: Nonvolatile Controller x 16 Chip
中文描述: 1帶16非易失控制器芯片
文件頁(yè)數(shù): 7/7頁(yè)
文件大小: 85K
代理商: DS1212
DS1212
7 of 7
TYPICAL APPLICATION
Figure 2
OUTPUT LOAD
Figure 3
NOTES:
1.
All voltages referenced to ground.
2.
Only one battery input is required.
3.
Measured with V
CCO
and
CE0
-
CE15
open.
4.
I
CC01
is the maximum average load which the DS1212 can supply to the memories.
5.
Measured with a load as shown in Figure 3.
6.
I
CC02
is the maximum average load current which the DS1212 can supply to the memories in the battery backup
mode.
7.
Chip enable outputs
CE0
-
CE15
can only sustain leakage current in the battery backup mode.
8.
t
CE
max. must be met to ensure data integrity on power loss.
9.
t
AS
is only required to keep the decoder outputs glitch-free. While
CE
is low, the outputs (
CE0
-
CE15
) will be
defined by inputs A through D with a propagation delay of t
PD
from an A through D input change.
10.
For applications where higher currents are required, please see the Battery Manager chip data sheet (DS1259).
11.
The DS1212 has a 5 kohm resistor in series with the battery input. As current from the battery increases over
100
μ
A, the voltage drop will increase proportionately. The device cannot be damaged by higher currents in the
battery path.
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