AT49F1614-90TI Atmel, AT49F1614-90TI Datasheet - Page 12

• Manufacturer Part Number: AT49F1614-90TI
• Manufacturer: Atmel

Specifications of AT49F1614-90TI

• Density: 16Mb
• Access Time (max): 90ns
• Interface Type: Parallel
• Boot Type: Bottom
• Address Bus: 21/20Bit
• Operating Supply Voltage (typ): 5V
• Operating Temp Range: -40C to 85C
• Package Type: TSOP-I
• Program/erase Volt (typ): 4.5 to 5.5V
• Sync/async: Asynchronous
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Word Size: 8/16Bit
• Number Of Words: 2M/1M
• Supply Current: 60mA
• Mounting: Surface Mount
• Pin Count: 48
• Lead Free Status / Rohs Status: Not Compliant

Program Cycle Characteristics
Program Cycle Waveforms
Sector Erase Cycle Waveforms
Notes:
12
Symbol
t
t
t
t
t
t
t
t
BP
AS
AH
DS
DH
WP
WPH
SEC
1. OE must be high only when WE and CE are both low.
2. For sector erase, the address depends on what sector is to be erased. (See note 3 under Command Definitions.)
3. The t
Parameter
Byte/Word Programming Time
Address Setup Time
Address Hold Time
Data Setup Time
Data Hold Time
Write Pulse Width
Write Pulse Width High
Sector Erase Cycle Time
AT49F1604(T)/1614(T)
WPH
time between the 5th and 6th bus cycle should be a minimum of 150 ns.
A0-A19
DATA
A0 -A19
WE
OE
CE
DATA
WE
OE
CE
(1)
t
AS
t
AS
5555
WORD 0
t
5555
AH
AA
t
AH
AA
t
t
DS
WP
2AAA
t
t
DS
WP
WORD 1
t
2AAA
DH
55
t
DH
55
5555
t
WPH
WORD 2
5555
80
PROGRAM CYCLE
t
WPH
A0
5555
WORD 3
ADDRESS
AA
INPUT
DATA
2AAA
WORD 4
Min
100
50
50
10
50
55
0
(3)
(3)
t
BP
(2)
WORD 5
30
Typ
200
10
t
EC
5555
AA
Max
50
Units
ms
ns
ns
ns
ns
ns
ns
µs