AT49F2048A-70TC Atmel, AT49F2048A-70TC Datasheet - Page 6

• Manufacturer Part Number: AT49F2048A-70TC
• Description: IC FLASH 2MBIT 70NS 48TSOP
• Manufacturer: Atmel

Specifications of AT49F2048A-70TC

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 2M (256K x 8 or 128K x 16)
• Speed: 70ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 48-TSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

AC Read Characteristics
AC Read Waveforms
Notes:
Input Test Waveforms and Measurement Level
t
Pin Capacitance
(f = 1 MHz, T = 25 ° C)
Note:
6
R
Symbol
t
t
t
t
t
C
C
ACC
CE
OE
DF
OH
, t
IN
OUT
(1)
(3)(4)
(2)
F
< 5 ns
1.
2.
3.
4.
1. This parameter is characterized and is not 100% tested.
AT49F2048A
CE may be delayed up to t
OE may be delayed up to t
without impact on t
t
This parameter is characterized and is not 100% tested.
DF
is specified from OE or CE, whichever occurs first (CL = 5 pF).
Parameter
Address to Output Delay
CE to Output Delay
OE to Output Delay
CE or OE to Output Float
Output Hold from OE, CE or Address, whichever
occurred first
(1)
ACC
Typ
(1)(2)(3)(4)
4
8
.
ADDRESS
OUTPUT
CE
ACC
- t
CE
OE
- t
OE
CE
after the falling edge of CE without impact on t
after the address transition without impact on t
Max
12
6
HIGH Z
ADDRESS VALID
t
ACC
t
CE
t
OE
Min
AT49F2048A-70
0
0
Units
pF
pF
OUTPUT
VALID
Max
t
OH
25
70
70
30
Output Test Load
t
DF
CE
ACC
or by t
.
Min
AT49F2048A-90
0
0
0
ACC
- t
OE
Conditions
V
V
OUT
after an address change
IN
= 0V
Max
= 0V
90
90
30
25
30
Units
ns
ns
ns
ns
ns