參數(shù)資料
型號: 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): 33/52頁
文件大小: 967K
代理商: SST89C58-33-I-TQJE
Data Sheet
FlashFlex51 MCU
SST89C54 / SST89C58
39
2004 Silicon Storage Technology, Inc.
S71131-04-000
6/04
12.2 AC Electrical Characteristics
AC Characteristics: (Over Operating Conditions: Load Capacitance for Port 0, ALE#, and PSEN# = 100pF; Load
Capacitance for All Other Outputs = 80pF)
5. Pins for Ports 1, 2 & 3 source a transition current when they are being externally driven from 1 to 0. The transition current reaches its
maximum value when VIN is approximately 2V.
6. See Figures 12-9, 12-10 and 12-11 and for test conditions. Minimum VDD for Power Down is 2.7V.
TABLE
12-8: AC ELECTRICAL CHARACTERISTICS (1 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
1/TCLCL
Oscillator Frequency
033
MHz
TLHLL
ALE Pulse Width
127
20
2TCLCL - 40
ns
TAVLL
Address Valid to ALE Low
43
TCLCL - 40 (3V)
ns
5TCLCL - 25 (5V)
ns
TLLAX
Address Hold After ALE Low
53
TCLCL - 30 (3V)
ns
5TCLCL - 25 (5V)
ns
TLLIV
ALE Low to Valid Instr In
234
4TCLCL - 65 (3V)
ns
55
4TCLCL - 65 (5V)
ns
TLLPL
ALE Low to PSEN# Low
53
TCLCL - 30 (3V)
ns
5TCLCL - 25 (5V)
ns
TPLPH
PSEN# Pulse Width
205
45
3TCLCL - 45
ns
TPLIV
PSEN# Low to Valid Instr In
145
3TCLCL - 55 (3V)
ns
35
3TCLCL - 55 (5V)
ns
TPXIX
Input Instr Hold After PSEN#
00
0
ns
TPXIZ
Input Instr Float After PSEN#
59
TCLCL - 25 (3V)
ns
5TCLCL - 25 (5V)
ns
TPXAV
PSEN# to Address Valid
75
22
TCLCL - 8
ns
TAVIV
Address to Valid Instr In
312
5TCLCL - 80 (3V)
ns
70
5TCLCL - 80 (5V)
ns
TPLAZ
PSEN# Low to Address Float
10
ns
TRLRH
RD# Pulse Width
400
80
6TCLCL - 100
ns
TWLWH
Write Pulse Width (WE#)
400
80
6TCLCL - 100
ns
TRLDV
RD# Low to Valid Data In
252
5TCLCL - 90 (3V)
ns
60
5TCLCL - 90 (5V)
ns
TRHDX
Data Hold After RD#
00
0
ns
TRHDZ
Data Float After RD#
106
2TCLCL - 60 (3V)
ns
35
2TCLCL - 25 (5V)
ns
TLLDV
ALE Low to Valid Data In
517
8TCLCL - 90 (3V)
ns
150
8TCLCL - 90 (5V)
ns
TAVDV
Address to Valid Data In
585
9TCLCL - 90 (3V)
ns
180
9TCLCL - 90 (5V)
ns
TLLWL
ALE Low to RD# or WR# Low
200
300
40
140
3TCLCL - 50
3TCLCL + 50
ns
TAVWL
Address to RD# or WR# Low
203
4TCLCL - 130 (3V)
ns
45
4TCLCL - 75 (5V)
ns
TQVWX
Data Valid to WR# Transition
33
TCLCL - 50 (3V)
ns
0TCLCL - 30 (5V)
ns
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