DS89C430 Datasheet, PDF (5/48 Pages) Dallas Semiconductor – Ultra-High-Speed Flash Microcontrollers

DS89C430/DS89C440/DS89C450 Ultra-High-Speed Flash Microcontrollers
AC CHARACTERISTICS (continued)
(V_CC = 4.5V to 5.5V, T_O = -40°C to +85°C.) (See Figure 1, Figure 2, and Figure 3.)
PARAMETER
SYMBOL
1-CYCLE
PAGE MODE 1
MIN
MAX
2-CYCLE
PAGE MODE 1
MIN
MAX
PSEN Low to Valid Instruction
In
tPLIV
tCLCL - 20
tCLCL - 20
4-CYCLE
PAGE MODE 1
MIN
MAX
2tCLCL - 20
PAGE MODE 2
MIN
MAX
tCLCL - 20
NONPAGE MODE
MIN
MAX
UNITS
2tCLCL - 20
ns
Input Instruction Hold After
PSEN
tPXIX
0
0
0
0
0
ns
Input Instruction Float After
PSEN
tPXIZ
tCLCL - 5
tCLCL - 5
ns
Port 0 Address to Valid
Instruction In
tAVIV0
1.5tCLCL - 22
3tCLCL - 22
ns
Port 2 Address to Valid
Instruction In
tAVIV2
tCLCL - 20
1.5tCLCL - 20
2.5tCLCL - 20
3tCLCL - 20
3.5tCLCL - 20
ns
PSEN Low to Port 0 Address
Float
tPLAZ
0
0
ns
RD Pulse Width (P3.7)
(Note 16)
WR Pulse Width (P3.6)
(Note 16)
RD (P3.7) Low to Valid Data In
(Note 16)
tRLRH
tWLWH
tRLDV
tCLCL - 5
tCLCL - 5
2tCLCL - 5
2tCLCL - 5
2tCLCL - 5
ns
+ tSTC1
+ tSTC1
+ tSTC1
+ tSTC1
+ tSTC1
tCLCL - 5
tCLCL - 5
2tCLCL - 5
2tCLCL - 5
2tCLCL - 5
ns
+ tSTC1
+ tSTC1
+ tSTC1
+ tSTC1
+ tSTC1
tCLCL - 18
+ tSTC1
tCLCL - 18
+ tSTC1
2tCLCL - 18
+ tSTC1
2tCLCL - 18
+ tSTC1
2tCLCL - 18
ns
+ tSTC1
Data Hold After RD (P3.7)
tRHDX
0
0
0
0
0
ns
Data Float After RD (P3.7)
MOVX ALE Low to Input Data
Valid (Note 16)
tRHDZ
tLLDV
tCLCL - 5
2tCLCL - 8
+ tSTC1
tCLCL - 5
ns
2tCLCL - 5
ns
+ tSTC1
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