參數(shù)資料
型號: P83C251TQ24
廠商: INTEL CORP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 24 MHz, MICROCONTROLLER, PDIP40
封裝: PLASTIC, DIP-40
文件頁數(shù): 27/36頁
文件大小: 813K
代理商: P83C251TQ24
A15:8
WCLK
ALE
WR#
TWLYV
WAIT#
P2
P0
A5003-02
State 1
State 2
State 3
State 4
TCLYX min
TCLYV
D7:0
stretched
A7:0
stretched
WR# stretched
TWLYX max
TWLYX min
TCLYX max
8xC251TB/TQ HIGH-PERFORMANCE CHMOS MICROCONTROLLER
27
Figure 14. External Bus Cycle: Data Write (Page Mode)
Table 13. Real-Time Wait AC Timing
Symbol
Parameter
Min
Max
Units
TCLYV
Wait Clock Low to Wait Set-up
0
TOSC – 13
ns
TCLYX
Wait Hold after Wait Clock Low
(2W)TOSC + 5
(1+2W)TOSC – 20
ns (1)
TRLYV
PSEN#/RD# Low to Wait Set-up
0
TOSC – 13
ns
TRLYVA
PSEN#/RD# Low to Wait Set-up
0
TOSC – 35
ns (2)
TRLYX
Wait Hold after PSEN#/RD# Low
(2W)TOSC + 5
(1+2W)TOSC – 20
ns (1)
TWLYV
WR# Low to Wait Set-up
0
TOSC – 13
ns
TWLYVA
WR# Low to Wait Set-up
0
TOSC – 35
ns (2)
TWLYX
Wait Hold after WR# Low
(2W)TOSC + 5
(1+2W)TOSC – 20
ns (1)
NOTES:
1. W = 0, 1, 2 — is the number of real time wait states.
2. Device configured with the extended data float timing.
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