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參數資料
| 型號： | DS1321S/T&R |
| 廠商： | Maxim Integrated |
| 文件頁數： | 1/13頁 |
| 文件大小： | 0K |
| 描述： | IC CTRLR NV W/BATT MON 5V 16SOIC |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 控制器類型： | 非易失性 RAM |
| 電源電壓： | 4.75 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 16-SOIC（0.154"，3.90mm 寬） |
| 供應商設備封裝： | 16-SOIC |
| 包裝： | 帶卷 (TR) |
1 of 13
FEATURES
Converts CMOS SRAM into nonvolatile
memory
Unconditionally write-protects SRAM when
VCC is out of tolerance
Automatically switches to battery backup
supply when VCC power failure occurs
Flexible memory organization
- Mode 0: 4 banks with 1 SRAM each
- Mode 1: 2 banks with 2 SRAMs each
- Mode 2: 1 bank with 4 SRAMs each
Monitors voltage of a lithium cell and
provides advanced warning of impending
battery failure
Signals low-battery condition on active low
Battery Warning output signal
Resets processor when power failure occurs
and holds processor in reset during system
power-up
Optional 5% or 10% power-fail detection
16-pin PDIP, 16-pin SO and 20-pin TSSOP
packages
Industrial temperature range of -40°C to
+85°C
PIN DESCRIPTION
VCCI
- +5V Power Supply Input
VCCO
- SRAM Power Supply Output
VBAT
- Backup Battery Input
A, B
- Address Inputs
CEI1
- CEI4 - Chip Enable Inputs
CEO1
- CEO4 - Chip Enable Outputs
TOL
- VCC Tolerance Select
BW
- Battery Warning Output (Open
Drain)
RST
- Reset Output (Open Drain)
MODE
- Mode Input
GND
- Ground
NC
- No Connection
PIN ASSIGNMENT
DS1321
Flexible Nonvolatile Controller with
Lithium Battery Monitor
1
2
3
4
20
19
18
17
5
6
7
8
9
10
11
12
13
14
15
16
NC
DS1321E 20-Pin TSSOP
VCCI
RST
BW
CEO1
CEO2
NC
CEO3
CEO4
NC
MODE
VCCO
VBAT
TOL
CEI1
CEI2
NC
A/CEI3
B/CEI4
GND
1
2
3
4
16
15
14
13
5
6
7
8
9
10
11
12
VCCI
RST
BW
CEO1
CEO2
CEO3
CEO4
MODE
VCCO
VBAT
TOL
CEI1
CEI2
A/CEI3
B/CEI4
GND
DS1321 16-Pin PDIP
(300 mils)
1
2
3
4
16
15
14
13
5
6
7
8
9
10
11
12
VCCI
RST
BW
CEO1
CEO2
CEO3
CEO4
MODE
VCCO
VBAT
TOL
CEI1
CEI2
A/CEI3
B/CEI4
GND
DS1321S 16-Pin SO
(150 mils)
19-6312; Rev 6/12
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PDF描述 |
|---|---|
| DS1321 | IC CTRLR NV W/BATT MON 5V 16-DIP |
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| VI-B12-EU-B1 | CONVERTER MOD DC/DC 15V 200W |
| EN95F2X5 | BATTERY PK 15.0V D SIZE ALKALINE |
| DS1321S | IC CTRLR NV W/BATT MON 5V 16SOIC |
相關代理商/技術參數 |
參數描述 |
|---|---|
| DS1322MRAB0 | 制造商:Thomas & Betts 功能描述:150A,NLT,3P4W,MG,322,AB0,125/250V,S |
| DS1323 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:3.3V Flexible Nonvolatile Controller with Lithium Battery Monitor |
| DS1323_1205 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:3.3V Flexible Nonvolatile Controller with Lithium Battery Monitor |
| DS1323+ | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:3.3V Flexible Nonvolatile Controller with Lithium Battery Monitor |
| DS1323+T&R | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:3.3V Flexible Nonvolatile Controller with Lithium Battery Monitor |
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