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參數(shù)資料
| 型號： | UPD7759 |
| 廠商： | NEC Corp. |
| 英文描述： | ADPCM SPEECH SYNTHESIZER LSIs |
| 中文描述： | 差分PcM語音合成器大規(guī)模集成電路 |
| 文件頁數(shù)： | 9/18頁 |
| 文件大?。?/td> | 183K |
| 代理商： | UPD7759 |
μ
PD7759
9
(2)
SWITCHING CHARACTERISTICS
Parameters
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
BUSY output delay
t
SBO
In operation mode, from ST
↓
6.25
10
μ
s
Speech output delay
t
SSO
In operation mode, from BUSY
↓
2.1
2.2
ms
BUSY hold time
t
BD
from synthesis
15
μ
s
ALE pulse width
t
LL
3.13
μ
s
t
AL
for ALE
↓
3.13
μ
s
Higher address set up time
t
AE
for AEN
↓
0
μ
s
t
LA
from ALE
↓
3.13
μ
s
Higher address hold time
t
EA
from AEN
↑
0
μ
s
AEN pulse width
t
AEN
14.1
μ
s
DRQ output delay
t
LC
from ALE
↓
3.13
μ
s
Higher address pulse width
t
AC
6.25
μ
s
DRQ pulse width
t
DCC
7.81
μ
s
ROM read cycle time
t
MRO
37.5
μ
s
TIMING CHART (at reset)
(1)
(2)
RESET
ST
t
RST
t
RS
BUSY
t
RB
RESET
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
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| UPD780023AGB-G44-8EU-E3-A | 制造商:Renesas Electronics Corporation 功能描述: |
| UPD780023AGC-107-8BS-A | 制造商:Renesas Electronics Corporation 功能描述:NECUPD780023AGC-107-8BS-A MASK ROM DEVIC |
| UPD780023AGK-C74-9ET-A | 制造商:Renesas Electronics Corporation 功能描述: |
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