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參數(shù)資料
| 型號： | HM-6518 |
| 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 |
| 文件大小： | 220K |
| 代理商： | HM-6518 |
6-90
In the HM-6518/883 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 require-
ments must be met. After the required hold time the
addresses may change state without affecting device oper-
ation. In order for the output to be read S1, S2 and E must
be low, W must be high. When E goes high the output data
is latched into an on chip register. Taking either or both S1
or S2 high, forces the output buffer to a high impedance
state. The output data may be re-enabled at any time by
taking S1 and S2 low. On the falling edge of E the data will
be unlatched.
Timing Waveforms
TRUTH TABLE
TIME
REFERENCE
INPUTS
OUTPUTS
FUNCTION
E
S1
W
A
D
Q
-1
H
H
X
X
X
Z
Memory Disabled
0
X
H
V
X
Z
Cycle Begins, Addresses are Latched
1
L
L
H
X
X
X
Output Enabled
2
L
L
H
X
X
V
Output Valid
3
L
H
X
X
V
Output Latched
4
H
H
X
X
X
Z
Device Disabled, Prepare for Next Cycle
(Same as -1)
5
X
H
V
X
Z
Cycle Ends, Next Cycle Begins
(Same as 0)
NOTE: 1. Device selected only if both S1 and S2 are low, and deselected if either S1 or S2 are high.
TIME
REFERENCE
(8) TAVEL
TELAX
(9)
(8) TAVEL
NEXT
TELEL (17)
TEHEL (7)
TELEH (6)
TEHEL (7)
TWLEH (13)
TWLWH (16)
VALID DATA
TDVWH (10)
TWHDX (11)
HIGH Z
-1
0
1
2
3
4
5
A
E
W
D
Q
VALID
FIGURE 2. WRITE CYCLE
TELWH (15)
TWLSH (12)
TSLWH (14)
S1,
S2
HM-6518/883
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HM-6518883 | 1024 x 1 CMOS RAM |
| HM1-6518883 | 1024 x 1 CMOS RAM |
| HM-65262 | 16K x 1 Asynchronous CMOS Static RAM |
| HM-65262883 | 16K x 1 Asynchronous CMOS Static RAM |
| HM1-65262-9 | 16K x 1 Asynchronous CMOS Static RAM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HM-6518/883 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:1024 x 1 CMOS RAM |
| HM-6518883 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:1024 x 1 CMOS RAM |
| HM651R5 | 制造商:TT Electronics / BI Technologies 功能描述:HI CURRENT LOW PROFILE SMT INDUCTOR |
| HM65-1R5LF | 制造商:BITECH 制造商全稱:Bi technologies 功能描述:High Current Low Profile Surface Mount Inductors |
| HM65-1R5LFTR13 | 功能描述:INDUCTOR 1.5UH LOW PROFILE SMD RoHS:是 類別:電感器，線圈，扼流圈 >> 固定式 系列:HM65 標(biāo)準(zhǔn)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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