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AT28HC256-90JU-T

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7
0007N–PEEPR–9/09
AT28HC256
11. Input Test Waveforms and Measurement Level
12. Output Test Load
Note: 1. This parameter is characterized and is not 100% tested.
t
R
, t
F
< 5 ns
13. Pin Capacitance
f = 1 MHz, T = 25°C
(1)
Symbol Typ Max Units Conditions
C
IN
46pFV
IN
= 0V
C
OUT
812pFV
OUT
= 0V
8
0007N–PEEPR–9/09
AT28HC256
Note: 1. NR = No Restriction.
15. AC Write Waveforms
15.1 WE Controlled
15.2 CE
Controlled
14. AC Write Characteristics
Symbol Parameter Min Max Units
t
AS
, t
OES
Address, OE Setup Time 0 ns
t
AH
Address Hold Time 50 ns
t
CS
Chip Select Setup Time 0 ns
t
CH
Chip Select Hold Time 0 ns
t
WP
Write Pulse Width (WE or CE)100ns
t
DS
Data Setup Time 50 ns
t
DH
, t
OEH
Data, OE Hold Time 0 ns
t
DV
Time to Data Valid NR
(1)
9
0007N–PEEPR–9/09
AT28HC256
17. Page Mode Write Waveforms
(1)(2)
Notes: 1. A6 through A14 must specify the same page address during each high to low transition of WE (or CE).
2. OE must be high only when WE and CE are both low.
18. Chip Erase Waveforms
16. Page Mode Write Characteristics
Symbol Parameter Min Typ Max Units
t
WC
Write Cycle Time (option available)
AT28HC256 5 10 ms
AT28HC256F 2 3 ms
t
AS
Address Setup Time 0 ns
t
AH
Address Hold Time 50 ns
t
DS
Data Setup Time 50 ns
t
DH
Data Hold Time 0 ns
t
WP
Write Pulse Width 100 ns
t
BLC
Byte Load Cycle Time 150 µs
t
WPH
Write Pulse Width High 50 ns
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AT28HC256-90JU-T

Mfr. #:
Buy AT28HC256-90JU-T
Manufacturer:
Microchip Technology / Atmel
Description:
EEPROM 90NS, PLCC, IND TEMP, GREEN
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
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