參數(shù)資料
型號: P83C266BDR
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: Microcontrollers for PAL/SECAM TV with OSD and VST
中文描述: 8-BIT, MROM, 12 MHz, MICROCONTROLLER, PDIP42
封裝: 0.600 INCH, PLASTIC, SDIP-42
文件頁數(shù): 80/92頁
文件大?。?/td> 382K
代理商: P83C266BDR
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d
MGM676
tOZ
High Z
tACC(OE)
VDDP
(power supply)
D0 to D7
A0 to Axx
address
VIH
VIL
VIH
VIL
VIH
VIL
VIH
VIL
tW(P)
th(WE)
th(A)
tsu(A)
th(D)
tsu(D)
tsu(PV)
tsu(OE)
tW(OE)
VPP
(program voltage)
data out
VIH
VIL
address valid
programming
verify
data invalid
data out
WE
OE
Fig.48 Programming waveforms.
V
IH
and V
IL
are CMOS levels and are typically 5 V and 0 V respectively.
When OE is HIGH, P0.0 to P0.7 are used as inputs, when OE is LOW, P0.0 to P0.7 are used as outputs.
During programming the power supply must remain at 5 V. During verification the power supply must remain at 5.8 V.
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