HT27LC020
Symbol
Programming Operation
t
AS
t
OES
t
DS
t
AH
t
DH
t
DFP
t
VPS
t
PW
t
VCS
t
CES
t
OE
t
PRT
Address Setup Time
OE Setup Time
Data Setup Time
Address Hold Time
Data Hold Time
Output Enable to Output Float Delay
VPP Setup Time
PGM Program Pulse Width
VCC Setup Time
CE Setup Time
Data Valid from OE
VPP Pulse Rise Time During Programming
6V
6V
6V
6V
6V
6V
6V
6V
6V
6V
6V
6V
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
2
2
2
0
2
0
2
30
2
2
¾
2
¾
¾
¾
¾
¾
¾
¾
75
¾
¾
¾
¾
¾
¾
¾
¾
¾
130
¾
105
¾
¾
150
¾
ms
ms
ms
ms
ms
ns
ms
ms
ms
ms
ns
ms
Parameter
Test Conditions
V
CC
Conditions
Min.
Typ.
Max.
Unit
Test Waveforms and Measurements
2 .4 V
A C D r iv in g
L e v e ls
0 .4 5 V
2 .0 V
0 .8 V
A C
M e a s u re m e n t
L e v e l
t
R
, t
F
<20ns (10% to 90%)
Output Test Load
1 .3 V
(1 N 9 1 4 )
3 .3 k
9
O u tp u t P in
C
L
Note: C
L
=100pF including jig capacitance.
Product Identification Code
Code
Manufacturer
Device Type
Continuation
1
0
0
1
1
1
1
1
1
1
7F
Pins
A0
0
1
0
A1
1
1
0
DQ7
0
0
0
DQ6
0
0
1
DQ5
0
0
1
DQ4
1
0
1
DQ3
1
0
1
DQ2
1
0
1
DQ1
0
1
1
DQ0
0
0
1
Hex
Data
1C
02
7F
Rev. 1.50
4
December 8, 2003
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
