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參數(shù)資料
| 型號(hào)： | HM62256ALP-8SL |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Quadruple 2-Input Positive-AND Gates 14-CDIP -55 to 125 |
| 中文描述： | 32,768字× 8位高速CMOS靜態(tài)RAM |
| 文件頁(yè)數(shù)： | 10/11頁(yè) |
| 文件大?。?/td> | 71K |
| 代理商： | HM62256ALP-8SL |
Write Timing Waveform (2)
(
OE
Low Fixed)
Address
CS
WE
Dout
Din
t
WC
t
CW
t
WR
t
AW
t
WP
t
AS
t
WHZ
t
OW
t
OH
t
DW
t
DH
*9
*7
*8
*5 *10
*1
*6
*2
*4
*3
*10
Valid Data
Notes: 1.
A write occurs during the overlap of a low
CS
and a low
WE
. A write begins at the later
transition of
CS
going low or
WE
going low. A write ends at the earlier transition of
CS
going high or
WE
going high. t
WP
is measured from the beginning of write to the end of
write.
t
CW
is measured from
CS
going low to the end of write.
t
AS
is measured from the address valid to the beginning of write.
t
WR
is measured from the earlier of
WE
or
CS
going high to the end of write cycle.
During this period, I/O pins are in the output state so that the input signals of the opposite
phase to the outputs must not be applied.
If the
CS
low transition occurs simultaneously with the
WE
low transition or after the
WE
transition, the output remain in a high impedance state.
Dout is the same phase of the write data of this write cycle.
Dout is the read data of next address.
If
CS
is low during this period, I/O pins are in the output state. Therefore, the input signals
of the opposite phase to the output must not be applied to them.
10. This parameter is sampled and not 100% tested.
11. t
OHZ
and t
WHZ
are defined as the time at which the outputs achieve the open circuit
conditions and are not referenced to output voltage levels.
2.
3.
4.
5.
6.
7.
8.
9.
10
HM62256A Series
HM62256A Series
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HM62256ALR-8 | Quadruple 2-Input Positive-AND Gates 20-LCCC -55 to 125 |
| HM62256ALR-8SL | Quadruple 2-Input Positive-AND Gates 14-CDIP -55 to 125 |
| HM62256ALSP-10 | Quadruple 2-Input Positive-AND Gates 14-CFP -55 to 125 |
| HM62256ALSP-10SL | Quadruple 2-Input Positive-AND Gates With Open-Collector Outputs 14-CDIP -55 to 125 |
| HM62256ALSP-12 | 32,768-word x 8-bit High Speed CMOS Static RAM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HM62256ALR-10 | 制造商:HITACHI 制造商全稱(chēng):Hitachi Semiconductor 功能描述:32,768-word x 8-bit High Speed CMOS Static RAM |
| HM62256ALR-10SL | 制造商:HITACHI 制造商全稱(chēng):Hitachi Semiconductor 功能描述:32,768-word x 8-bit High Speed CMOS Static RAM |
| HM62256ALR-12 | 制造商:HITACHI 制造商全稱(chēng):Hitachi Semiconductor 功能描述:32,768-word x 8-bit High Speed CMOS Static RAM |
| HM62256ALR-12SL | 制造商:HITACHI 制造商全稱(chēng):Hitachi Semiconductor 功能描述:32,768-word x 8-bit High Speed CMOS Static RAM |
| HM62256ALR-15 | 制造商:HITACHI 制造商全稱(chēng):Hitachi Semiconductor 功能描述:32,768-word x 8-bit High Speed CMOS Static RAM |
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