AT27C2048(1998) Ver la hoja de datos (PDF) - Atmel Corporation
Número de pieza
componentes Descripción
Lista de partido
AT27C2048 Datasheet PDF : 12 Pages
| |||
AT27C2048
AC Programming Characteristics
TA = 25 ± 5°C, VCC = 6.5 ± 0.25V, VPP = 13.0 ± 0.25V
Limits
Symbol Parameter
Test Conditions(1)
Min
Max
Units
tAS
Address Setup Time
2
µs
tOES
OE Setup Time
tDS
Data Setup Time
2
Input Rise and Fall Times
(10% to 90%) 20 ns
2
tAH
Address Hold Time
0
tDH
Data Hold Time
Input Pulse Levels
2
tDFP
OE High to Output Float Delay(2)
0.45V to 2.4V
0
µs
µs
µs
µs
130
ns
tVPS
VPP Setup Time
Input Timing Reference Level
2
µs
tVCS
VCC Setup Time
0.8V to 2.0V
2
µs
tPW
PGM Program Pulse Width(3)
47.5
Output Timing Reference Level
52.5
µs
tOE
Data Valid from OE
0.8V to 2.0V
150
ns
tPRT
VPP Pulse Rise Time During
Programming
50
ns
Notes:
1. VCC must be applied simultaneously or before VPP and removed simultaneously or after VPP.
2. This parameter is only sampled and is not 100% tested. Output Float is defined as the point where data is no longer driven
—see timing diagram.
3. Program Pulse width tolerance is 50 µsec ± 5%.
Atmel’s 27C2048 Intergrated Product Identification Code
Codes
Manufacturer
Device Type
Pins
A0 O15-O8 O7
O6
O5
O4
O3
O2
O1
O0
0
0
0
0
0
1
1
1
1
0
1
0
1
1
1
1
0
1
1
1
Hex Data
001E
00F7
7
Share Link: 