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參數(shù)資料
| 型號： | HM-6508 |
| 廠商： | Intersil Corporation |
| 英文描述： | 1024 x 1 CMOS RAM |
| 中文描述： | 1024 × 1 CMOS存儲器 |
| 文件頁數(shù)： | 6/9頁 |
| 文件大?。?/td> | 234K |
| 代理商： | HM-6508 |
6-74
In the HM-6508/883 Read Cycle, the address information is
latched into the on-chip registers on the falling edge of E
(T = 0). Minimum address setup and hold time requirements
must be met. After the required hold time, the addresses
may change state without affecting device operation. During
time (T = 1) the data output becomes enabled; however, the
data is not valid until during time (T = 2).
W must remain high for the read cycle. After the output data
has been read, E may return high (T = 3). This will disable
the chip and force the output buffer to a high impedance
state. After the required E high time (TEHEL) the RAM is
ready for the next memory cycle (T = 4).
Timing Wavforms
(continued)
TRUTH TABLE
TIME REFERENCE
INPUTS
OUTPUTS
FUNCTION
E
W
A
D
Q
-1
H
X
X
X
Z
Memory Disabled
0
H
V
X
Z
Cycle Begins, Addresses are Latched
1
L
H
X
X
X
Output Enabled
2
L
H
X
X
V
Output Valid
3
H
X
X
V
Read Accomplished
4
H
X
X
X
Z
Prepare for Next Cycle (Same as -1)
5
H
V
X
Z
Cycle Ends, Next Cycle Begins (Same as 0)
TIME
REFERENCE
(8) TAVEL
TELAX
(9)
(8) TAVEL
NEXT
TELEL
TEHEL
(15)
(7)
TELEH
(6)
(7)
TEHEL
TWLEH
(14)
(12)
TWLWH
(13)
VALID DATA INPUT
TELWH
TWHDX (11)
TDVWH
(10)
HIGH 2
-1
0
1
2
3
4
5
A
E
W
D
O
VALID
FIGURE 2. WRITE CYCLE
HM-6508/883
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HM-6508883 | 1024 x 1 CMOS RAM |
| HM1-6514-9 | 1024 x 4 CMOS RAM |
| HM1-6514S-9 | 1024 x 4 CMOS RAM |
| HM-6514 | 1024 x 4 CMOS RAM |
| HM3-6514-9 | 1024 x 4 CMOS RAM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HM-6508/883 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:1024 x 1 CMOS RAM |
| HM-6508883 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:1024 x 1 CMOS RAM |
| HM65100 | 制造商:TT Electronics / BI Technologies 功能描述:Ind High Current Wirewound 10uH 20% 100KHz Ferrite 5A |
| HM65-100LF | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:High Current Low Profile Surface Mount Inductors |
| HM65-100LFTR13 | 功能描述:INDUCTOR 10UH LOW PROFILE SMD RoHS:是 類別:電感器，線圈，扼流圈 >> 固定式 系列:HM65 標準包裝:500 系列:1331 電感:1.2µH 電流:247mA 電流 - 飽和:247mA 電流 - 溫升:- 類型:鐵芯體 容差:±10% 屏蔽:屏蔽 DC 電阻(DCR):最大 730 毫歐 Q因子@頻率:40 @ 7.9MHz 頻率 - 自諧振:130MHz 材料 - 芯體:鐵 封裝/外殼:0.312" L x 0.115" W x 0.135" H（7.94mm x 2.92mm x 3.43mm） 安裝類型:表面貼裝 包裝:帶卷 (TR) 工作溫度:-55°C ~ 105°C 頻率 - 測試:7.9MHz |
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