HT27LC020 查看數據表（PDF） - Holtek Semiconductor
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HT27LC020 Datasheet PDF : 15 Pages
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HT27LC020
Symbol
Parameter
Test Conditions
VCC
Conditions
Programming Operation
tAS
Address Setup Time
6V
¾
tOES
OE Setup Time
6V
¾
tDS
Data Setup Time
6V
¾
tAH
Address Hold Time
6V
¾
tDH
Data Hold Time
6V
¾
tDFP
Output Enable to Output Float Delay
6V
¾
tVPS
VPP Setup Time
6V
¾
tPW
PGM Program Pulse Width
6V
¾
tVCS
VCC Setup Time
6V
¾
tCES
CE Setup Time
6V
¾
tOE
Data Valid from OE
6V
¾
tPRT
VPP Pulse Rise Time During Programming 6V
¾
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 A C
M e a s u re m e n t
0 .8 V L e v e l
tR, tF<20ns (10% to 90%)
Min. Typ. Max. Unit
2
¾
¾
ms
2
¾
¾
ms
2
¾
¾
ms
0
¾
¾
ms
2
¾
¾
ms
0
¾ 130 ns
2
¾
¾
ms
30 75 105 ms
2
¾
¾
ms
2
¾
¾
ms
¾
¾ 150 ns
2
¾
¾
ms
Output Test Load
1 .3 V
(1 N 9 1 4 )
3 .3 k 9
O u tp u t P in
CL
Note: CL=100pF including jig capacitance.
Product Identification Code
Code
Manufacturer
Device Type
Continuation
A0
A1 DQ7
0
1
0
1
1
0
0
0
0
1
0
0
DQ6
0
0
1
1
Pins
DQ5 DQ4
0
1
0
0
1
1
1
1
DQ3
1
0
1
1
DQ2
1
0
1
1
DQ1
0
1
1
1
DQ0
0
0
1
1
Hex
Data
1C
02
7F
7F
Rev. 1.50
4
December 8, 2003
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