參數(shù)資料
型號(hào): SST89E52RC-33-C-NJE
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PQCC44
封裝: ROHS COMPLIANT, PLASTIC, MS-018AC, LCC-44
文件頁(yè)數(shù): 43/57頁(yè)
文件大小: 652K
代理商: SST89E52RC-33-C-NJE
48
Data Sheet
FlashFlex MCU
SST89E52RC / SST89E54RC
2007 Silicon Storage Technology, Inc.
S71259-04-000
1/07
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)
TABLE
12-7: AC Electrical Characteristics TA = -0°C to +70°C, VDD = 4.5-5.5V@33MHz, VSS = 0V
Symbol
Parameter
Oscillator
Units
25 MHz (x1 Mode)
12 MHz (x2 Mode)1
1. Calculated values are for x1 Mode only
33 MHz (x1 Mode)
16 MHz (x2 Mode)1
Variable
Min
Max
Min
Max
Min
Max
1/TCLCL
x1 Mode Oscillator Frequency
0
25033
0
MHz
1/2TCLCL x2 Mode Oscillator Frequency
0
12016
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
TLLWL
ALE Low to RD# or WR# Low
76
106
3TCLCL - 15 (5V)
3TCLCL + 15 (5V)
ns
TAVWL
Address to RD# or WR# Low
91
4TCLCL - 30 (5V)
ns
TQVWX
Data Valid to WR# High to Low
Transition
20
10
TCLCL - 20
ns
TWHQX
Data Hold After WR#
10
TCLCL - 20 (5V)
ns
TQVWH
Data Valid to WR# High
162
7TCLCL - 50 (5V)
ns
TRLAZ
RD# Low to Address Float
00
0
ns
TWHLH
RD# to WR# High to ALE High
15
45
TCLCL - 15 (5V)
TCLCL + 15 (5V)
ns
T12-7.0 1259
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