參數(shù)資料
型號: TSC251G1DXXX-24IA
英文描述: IC CYCLONE III FPGA 5K 144 EQFP
中文描述: 微控制器
文件頁數(shù): 46/63頁
文件大小: 878K
代理商: TSC251G1DXXX-24IA
46
Rev. A - May 7, 1999
TSC80251G2D
Figure 23. Real-time Synchronous Wait State: Data Write
11.3 AC Characteristics - Real-Time Asynchronous Wait State
Definition of symbols
Table 49. Real-Time Asynchronous Wait Timing Symbol Definitions
Timings
Table 50. Real-Time Asynchronous Wait AC Timings; V
DD
= 2.7 to 5.5 V, T
A
= -40 to 85
°
C
Note:
1. N is the number of wait states added (N
1).
Waveforms
Figure 24. Real-time Asynchronous Wait State Timings
Signals
Conditions
S
PSEN#/RD#/WR#
L
Low
Y
AWAIT#
V
Valid
X
No Longer Valid
Symbol
Parameter
Min
Max
Unit
T
SLYV
T
SLYX
PSEN#/RD#/WR# Low to Wait Set-up
T
OSC
- 10
ns
Wait Hold after PSEN#/RD#/WR# Low
(2N-1)·T
OSC
+ 10
ns
(1)
State 1
State 2
State 3
State 1 (next cycle)
T
WLYX
max
T
WLYX
min
WLYV
T
CLYV
T
CLYX
max
P2
RD#/PSEN#
ALE
WCLK
P0
WAIT#
T
CLYX
min
WR# stretched
A7:0
D7:0
stretched
A15:8
stretched
T
SLYV
T
SLYX
RD#/PSEN#/WR#
AWAIT#
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