at27bv040 ATMEL Corporation, at27bv040 Datasheet - Page 9

• Manufacturer Part Number: at27bv040
• Description: At27bv040 4-megabit 512k X 8 Unregulated Battery-voltage High-speed Otp Eprom
• Manufacturer: ATMEL Corporation

16. AC Programming Characteristics
T
Notes:
17. Atmel’s AT27BV040 Integrated Product Identification Code
Note:
0346G–EPROM–12/07
Symbol
t
t
t
t
t
t
t
t
t
t
t
A
Codes
Manufacturer
Device Type
AS
OES
DS
AH
DH
DFP
VPS
VCS
PW
OE
PRT
= 25 ± 5°C, V
1. V
2. This parameter is only sampled and is not 100% tested. Output Float is defined as the point where data is no longer driven –
3. Program Pulse width tolerance is 100 µsec ± 5%.
1. The AT27BV040 has the same Product Identification Code as the AT27C040. Both are programming compatible.
see timing diagram.
CC
Parameter
Address Setup Time
OE Setup Time
Data Setup Time
Address Hold Time
Data Hold Time
OE High to Output Float Delay
V
V
CE Program Pulse Width
Data Valid from OE
V
Programming
PP
CC
PP
must be applied simultaneously or before V
CC
Setup Time
Pulse Rise Time During
Setup Time
= 6.5 ± 0.25V, V
(2)
A0
0
1
PP
(3)
= 13.0 ± 0.25V
(2)
O7
0
0
Input Rise and Fall Times:
Input Pulse Levels:
Input Timing Reference Level:
Output Timing Reference Level:
Test Conditions
O6
0
0
PP
and removed simultaneously or after V
O5
0
0
(10% to 90%) 20 ns
(1)
Pins
0.45V to 2.4V
O4
0.8V to 2.0V
0.8V to 2.0V
1
0
O3
1
1
O2
Min
1
0
95
50
2
2
2
0
2
0
2
2
PP
Limits
.
(1)
O1
1
1
Max
AT27BV040
130
105
150
O0
0
1
Units
Data
Hex
µs
µs
µs
µs
µs
ns
µs
µs
µs
ns
ns
1E
0B
9