參數(shù)資料
型號: SST89V58RD2-33-I-TQJE
廠商: Microchip Technology
文件頁數(shù): 79/92頁
文件大小: 0K
描述: IC MCU 8BIT 40KB FLASH 44TQFP
標準包裝: 160
系列: FlashFlex®
核心處理器: 8051
芯體尺寸: 8-位
速度: 33MHz
連通性: EBI/EMI,SPI,UART/USART
外圍設(shè)備: 欠壓檢測/復位,POR,WDT
輸入/輸出數(shù): 36
程序存儲器容量: 32KB(32K x 8)
程序存儲器類型: 閃存
EEPROM 大?。?/td> 8K x 8
RAM 容量: 1K x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 3.6 V
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 44-TQFP
包裝: 托盤
2011 Silicon Storage Technology, Inc.
DS25087A
10/11
80
FlashFlex MCU
SST89V54RD2/RD / SST89V58RD2/RD
Not Recommended for New Designs
A Microchip Technology Company
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 sig-
nal. 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
150
8TCLCL - 50 (5V)
ns
TAVDV
Address to Valid Data In
183
9TCLCL - 90 (3V)
ns
150
9TCLCL - 75 (5V)
ns
TLLWL
ALE Low to RD# or WR# Low
66
116
60
90
3TCLCL - 25
(3V)
3TCLCL - 15
(5V)
3TCLCL + 25
(3V)
3TCLCL + 15
(5V)
ns
TAVWL
Address to RD# or WR# Low
46
4TCLCL - 75
(3V)
ns
70
4TCLCL - 30
(5V)
ns
TWHQX
Data Hold After WR#
3TCLCL - 27 (3V)
ns
5TCLCL - 20 (5V)
ns
TQVWH
Data Valid to WR# High
142
7TCLCL - 70
(3V)
ns
125
7TCLCL - 50
(5V)
ns
TQVWX
Data Valid to WR# High to
Low
Transition
10
5
TCLCL - 20
ns
TRLAZ
RD# Low to Address Float
0
ns
TWHLH
RD# to WR# High to ALE High
5
55
TCLCL - 25 (3V)
TCLCL + 25 (3V)
ns
10
40
TCLCL - 15 (5V)
TCLCL + 15 (5V)
ns
T0-0.0 25087
1. Calculated values are for x1 Mode only
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 36: AC Electrical Characteristics (Continued) (2 of 2)
TA = -40°C to +85°C, VDD = 2.7-3.6V@33MHz, 4.5-5.5V@40MHz, VSS = 0V
Symbol
Parameter
Oscillator
Units
33 MHz (x1
Mode)
16 MHz (x2
Mode)1
40 MHz (x1
Mode)
20 MHz (x2
Mode)1
Variable
Min
Max
Min
Max
Min
Max
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