at27bv400 ATMEL Corporation, at27bv400 Datasheet - Page 5

• Manufacturer Part Number: at27bv400
• Description: 4-megabit 256k 512k Unregulated Battery-voltage High Speed Eprom
• Manufacturer: ATMEL Corporation

AC Characteristics for Read Operation
V
Notes:
Byte-Wide Read Mode AC Waveforms
Note:
Word-Wide Read Mode AC Waveforms
Note:
Symbol
t
t
t
t
t
t
t
CC
ACC
CE
OE
DF
OH
ST
STD
(2)
(4)(5)
(2)(3)
(4)
= 2.7V to 3.6V and 4.5V to 5.5V
(2)
1. 2,3,4,5. See the AC Waveforms for Read Operation diagram.
BYTE/V
BYTE/V
Parameter
Address to Output Delay
CE to Output Delay
OE to Output Delay
OE or CE High to Output Float, whichever
occured first
Output Hold from Address CE or OE,
whichever occured first
BYTE High to Output Valid
BYTE Low to Output Transition
PP
PP
= V
= V
IL
IH
Condition
CE = OE = V
OE = V
CE = V
IL
IL
IL
Min
5
-12
Max
120
120
120
AT27BV400
40
30
50
Min
5
-15
Max
150
150
150
50
35
60
Units
ns
ns
ns
ns
ns
ns
ns
5