參數(shù)資料
型號(hào): SST89C58-33-I-TQJE
廠商: SILICON STORAGE TECHNOLOGY INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PQFP44
封裝: LEAD FREE, TQFP-44
文件頁數(shù): 35/52頁
文件大?。?/td> 967K
代理商: SST89C58-33-I-TQJE
40
Data Sheet
FlashFlex51 MCU
SST89C54 / SST89C58
2004 Silicon Storage Technology, Inc.
S71131-04-000
6/04
Explanation of Symbols Each timing symbol has 5 characters. The first character is always a ‘T’ (stands for
time). The other characters, depending on their positions, stand for the name of a signal or the logical status of that
signal. The following is a list of all the characters and what they stand for.
For example:
TAVLL = Time from Address Valid to ALE Low
TLLPL = Time from ALE Low to PSEN# Low
TWHQX
Data Hold After WR#
33
TCLCL - 50 (3V)
ns
3TCLCL - 27 (5V)
ns
TQVWH
Data Valid to WR# High
433
7TCLCL - 150 (3V)
ns
140
7TCLCL - 70 (5V)
ns
TRLAZ
RD# Low to Address Float
00
0
ns
TWHLH
RD# to WR# High to ALE High
43
123
TCLCL - 40 (3V)
TCLCL + 25 (3V)
ns
555
TCLCL - 25 (5V)
TCLCL + 25 (5V)
ns
T12-8.3 1131
A: Address
Q: Output data
C: Clock
R: RD# signal
D: Input data
T: Time
H: Logic level HIGH
V: Valid
I:
Instruction (program memory contents)
W: WR# signal
L: Logic level LOW or ALE
X: No longer a valid logic level
P: PSEN#
Z: High Impedance (Float)
TABLE
12-8: AC ELECTRICAL CHARACTERISTICS (CONTINUED) (2 OF 2)
Ta = -40°C TO +85°C, VDD = 3.0-3.6V @12MHZ,4.5-5. 5V @ 33MHZ, VSS = 0
Symbol
Parameter
Oscillator
Units
12MHz
33MHz
Variable
Min
Max
Min
Max
Min
Max
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