HT83C51DC HONEYWELL [Honeywell Solid State Electronics Center], HT83C51DC Datasheet - Page 7

• Manufacturer Part Number: HT83C51DC
• Description: HIGH TEMPERATURE 83C51 MICROCONTROLLER
• Manufacturer: HONEYWELL [Honeywell Solid State Electronics Center]

EXTERNAL PROGRAM AND DATA MEMORY CHARATERISTICS
Symbol
TCLCL
1/TCLCL
TLHLL
TAVLL
TLLAX
TLLIV
TLLPL
TPLPH
TPLIV
TPXIX
TPXIZ
TAVIV
TPLAZ
TRLRH
TWLWH
TRLDV
TRHDX
TRHDZ
TLLDV
TAVDV
TLLWL
TAVWL
TQVWX
TWHQX
TQVWH
TRLAZ
TWHLH
Parameter
Clock Period
Oscillator Frequency
PSENn Pulse Width
PSENn low to Valid Instruction In
Input Instruction hold after PSENn
Input Instruction Float After PSENn
PSENn Low to Address Float
RDn Pulse Width
RDn Low to Valid Data In
Data Hold After RDn
Data Float After RDn
Data Valid Before WRn
Data Hold After WRn
Data Valid to WRn High
RDn Low to Address Float
RDn or WRn High to ALE High
ALE Pulse Width
Address Valid to ALE Low
Address hold after ALE low
ALE low to Valid Instruction In
ALE Low to PSENn Low
Address to Valid Instruction In
WRn Pulse Width
ALE Low to Valid Data In
Address to Valid Data In
ALE Low to RDn or WRn Low
Address Valid to WRn Low
7
6 TCLCL-100
6 TCLCL-100
4 TCLCL-130
7 TCLCL-150
2 TCLCL-40
3 TCLCL-45
3 TCLCL-50
TCLCL-40
TCLCL-30
TCLCL-30
TCLCL-50
TCLCL-50
TCLCL-40
62.5
Min
0
0
4 TCLCL-100
3 TCLCL-105
5 TCLCL-105
5 TCLCL-165
8 TCLCL-150
9 TCLCL-165
3 TCLCL+50
2 TCLCL-60
TCLCL+40
TCLCL-25
Max
16
10
0
HT83C51
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns