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參數(shù)資料
| 型號： | STK1744-D25I |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 32K x 8 AutoStore nvSRAM with Real-Time Clock |
| 中文描述： | 32K的× 8自動存儲非易失實時時鐘 |
| 文件頁數(shù)： | 6/12頁 |
| 文件大?。?/td> | 315K |
| 代理商： | STK1744-D25I |
STK1744
January 2003
6
Document Control # ML0020 rev 0.0
SOFTWARE
STORE/RECALL
MODE SELECTION
Note k:
Note l:
The six consecutive addresses must be in the order listed. W must be high during all six consecutive cycles to enable a nonvolatile cycle.
While there are 15 addresses on the STK1744, only the lower 14 are used to control software modes.
SOFTWARE
STORE/RECALL
CYCLE
m, n
(V
CC
= 5.0V
±
10%)
Note m: The software sequence is clocked with E controlled reads.
Note n:
The six consecutive addresses must be in the order listed in the Software
STORE/RECALL
Mode Selection Table: (0E38, 31C7, 03E0, 3C1F,
303F, 0FC0) for a
STORE
cycle or (0E38, 31C7, 03E0, 3C1F, 303F, 0C63) for a
RECALL
cycle. W must be high during all six consecutive
cycles.
SOFTWARE
STORE/RECALL
CYCLE:
E
Controlled
E
W
A
13
- A
0
(hex)
MODE
I/O
NOTES
L
H
0E38
31C7
03E0
3C1F
303F
0FC0
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Nonvolatile
STORE
Output Data
Output Data
Output Data
Output Data
Output Data
Output High Z
k, l
L
H
0E38
31C7
03E0
3C1F
303F
0C63
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Nonvolatile
RECALL
Output Data
Output Data
Output Data
Output Data
Output Data
Output High Z
k, l
NO.
SYMBOLS
PARAMETER
STK1744-25
STK1744-35
STK1744-45
UNITS
MIN
MAX
MIN
MAX
MIN
MAX
26
t
AVAV
STORE
/
RECALL
Initiation Cycle Time
25
35
45
ns
27
t
AVEL
m
Address Set-up Time
0
0
0
ns
28
t
ELEH
m
Clock Pulse Width
20
25
30
ns
29
t
ELAX
f, m
Address Hold Time
20
20
20
ns
30
t
RECALL
RECALL
Duration
20
20
20
μ
s
HIGH IMPEDANCE
ADDRESS #6
ADDRESS #1
DATA VALID
26
t
AVAV
DATA VALID
23
30
t
STORE
/
t
RECALL
26
t
AVAV
27
t
AVEL
28
t
ELEH
29
t
ELAX
E
ADDRESS
DQ (DATA OUT)
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| STK17T88-RF25 | 功能描述:NVRAM 32Kbx8+RTC 2.7-3.6V RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)總線寬度:8 bit 存儲容量:1024 Kbit 組織:128 K x 8 接口類型:Parallel 訪問時間:70 ns 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 工作電流:85 mA 最大工作溫度:+ 70 C 最小工作溫度:0 C 封裝 / 箱體:EDIP 封裝:Tube |
| STK17T88-RF25I | 功能描述:NVRAM 32Kbx8+RTC 2.7-3.6V RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)總線寬度:8 bit 存儲容量:1024 Kbit 組織:128 K x 8 接口類型:Parallel 訪問時間:70 ns 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 工作電流:85 mA 最大工作溫度:+ 70 C 最小工作溫度:0 C 封裝 / 箱體:EDIP 封裝:Tube |
| STK17T88-RF25ITR | 功能描述:NVRAM 32Kbx8+RTC 2.7-3.6V RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)總線寬度:8 bit 存儲容量:1024 Kbit 組織:128 K x 8 接口類型:Parallel 訪問時間:70 ns 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 工作電流:85 mA 最大工作溫度:+ 70 C 最小工作溫度:0 C 封裝 / 箱體:EDIP 封裝:Tube |
| STK17T88-RF25TR | 功能描述:NVRAM 32Kbx8+RTC 2.7-3.6V RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)總線寬度:8 bit 存儲容量:1024 Kbit 組織:128 K x 8 接口類型:Parallel 訪問時間:70 ns 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 工作電流:85 mA 最大工作溫度:+ 70 C 最小工作溫度:0 C 封裝 / 箱體:EDIP 封裝:Tube |
| STK17T88-RF45 | 功能描述:NVRAM 32Kbx8+RTC 2.7-3.6V RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)總線寬度:8 bit 存儲容量:1024 Kbit 組織:128 K x 8 接口類型:Parallel 訪問時間:70 ns 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 工作電流:85 mA 最大工作溫度:+ 70 C 最小工作溫度:0 C 封裝 / 箱體:EDIP 封裝:Tube |
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