参数资料
型号: MB90654APF
元件分类: 微控制器/微处理器
英文描述: 16-BIT, MROM, 12 MHz, MICROCONTROLLER, PQFP100
封装: PLASTIC, QFP-100
文件页数: 88/106页
文件大小: 873K
代理商: MB90654APF
MB90650A Series
82
(5) Bus Read Timing
(VCC = 2.7 V to 3.6 V, VSS = 0.0 V, TA = –40
°C to +85°C)
* : For tCP see “(1) Clock Timing.”
Note : VCC = VCC1 = VCC2
Parameter
Symbol
Pin name
Condition
Value
Unit
Remarks
Min
Max
ALE pulse width
tLHLL
ALE
tCP* /2 – 20
ns
MASK/FLASH
Valid address
→ ALE ↓ time tAVLL
Multiplexed
address
—tCP* / 2 – 25
ns
MASK/FLASH
ALE
↓ → address valid time tLLAX
Multiplexed
address
—tCP* / 2 – 15
ns
Valid address
→ RD ↓ time
tAVRL
Multiplexed
address
—tCP* – 15
ns
Valid address
→ valid data
input
tAVDV
Multiplexed
address
——
5 tCP* / 2 – 60
ns
MASK/FLASH
RD pulse width
tRLRH
RD
—3 tCP* / 2 – 20
ns
RD
↓ → valid data input
tRLDV
D15 to D00
5 tCP* / 2 – 60
ns
MASK/FLASH
RD
↑ → data hold time
tRHDX
D15 to D00
0
ns
RD
↑ → ALE ↑ time
tRHLH
RD, ALE
tCP* / 2 – 15
ns
RD
↑ → address valid time tRHAX
Address,
RD
—tCP* / 2 – 10
ns
Valid address
→ CLK ↑ time tAVCH
Address,
CLK
—tCP* / 2 –20
ns
RD
↓ → CLK ↑ time
tRLCH
RD, CLK
tCP* / 2 – 20
ns
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