參數(shù)資料
型號(hào): SST89E54RC-33-C-PIE
廠商: Microchip Technology
文件頁(yè)數(shù): 55/71頁(yè)
文件大小: 0K
描述: IC MCU 8BIT 17KB FLASH 40PDIP
標(biāo)準(zhǔn)包裝: 9
系列: FlashFlex®
核心處理器: 8051
芯體尺寸: 8-位
速度: 33MHz
連通性: EBI/EMI,UART/USART
外圍設(shè)備: POR,WDT
輸入/輸出數(shù): 32
程序存儲(chǔ)器容量: 16KB(16K x 8)
程序存儲(chǔ)器類型: 閃存
EEPROM 大?。?/td> 1K x 8
RAM 容量: 512 x 8
電壓 - 電源 (Vcc/Vdd): 4.5 V ~ 5.5 V
振蕩器型: 外部
工作溫度: 0°C ~ 70°C
封裝/外殼: 40-DIP(0.600",15.24mm)
包裝: 管件
2011 Silicon Storage Technology, Inc.
DS25088A
10/11
59
FlashFlex MCU
SST89E52RC / SST89E54RC
Data Sheet
A Microchip Technology Company
AC Electrical Characteristics
AC Characteristics:
(Over Operating Conditions: Load Capacitance for Port 0, ALE#, and PSEN# = 100pF;
Load Capacitance for All Other Outputs = 80pF)
Table 28:AC Electrical Characteristics (1 of 2)TA = -0°C to +70°C, VDD = 4.5-
5.5V@33MHz, VSS =0V
Symbol
Parameter
Oscillator
Unit
s
25 MHz (x1
Mode)
12 MHz (x2
Mode)1
33 MHz (x1
Mode)
16 MHz (x2
Mode)1
Variable
Min
Max
Min
Max
Min
Max
1/TCLCL x1 Mode Oscillator Fre-
quency
0
25
0
33
0
MHz
1/
2TCLCL
x2 Mode Oscillator Fre-
quency
0
12
0
16
0
MHz
TLHLL
ALE Pulse Width
65
46
2TCLCL -15
ns
TAVLL
Address Valid to ALE Low
15
TCLCL - 15 (5V)
ns
TLLAX
Address Hold After ALE
Low
15
TCLCL - 15 (5V)
ns
TLLIV
ALE Low to Valid Instr In
66
4TCLCL -45
(5V)
ns
TLLPL
ALE Low to PSEN# Low
15
TCLCL - 15 (5V)
ns
TPLPH
PSEN# Pulse Width
76
3TCLCL -15
(5V)
ns
TPLIV
PSEN# Low to Valid Instr In
41
3TCLCL -50
(5V)
ns
TPXIX
Input Instr Hold After
PSEN#
0ns
TPXIZ
Input Instr Float After
PSEN#
15
TCLCL - 15 (5V)
ns
TPXAV
PSEN# to Address valid
32
22
TCLCL -8
ns
TAVIV
Address to Valid Instr In
92
5TCLCL -60
(5V)
ns
TPLAZ
PSEN# Low to Address
Float
10
ns
TRLRH
RD# Pulse Width
152
6TCLCL -30
(5V)
ns
TWLWH
Write Pulse Width (WE#)
152
6TCLCL -30
(5V)
ns
TRLDV
RD# Low to Valid Data In
102
5TCLCL -50
(5V)
ns
TRHDX
Data Hold After RD#
00
0
ns
TRHDZ
Data Float After RD#
49
2TCLCL -12
(5V)
ns
TLLDV
ALE Low to Valid Data In
192
8TCLCL -50
(5V)
ns
TAVDV
Address to Valid Data In
198
9TCLCL -75
(5V)
ns
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