AT27C2048-55JI Atmel, AT27C2048-55JI Datasheet - Page 4

• Manufacturer Part Number: AT27C2048-55JI
• Manufacturer: Atmel

Specifications of AT27C2048-55JI

• Density: 2Mb
• Organization: 128Kx16
• Interface Type: Parallel
• Bus Type: Parallel
• In System Programmable: External
• Access Time (max): 55ns
• Package Type: PLCC
• Reprogramming Technique: OTP
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Supply Current: 35mA
• Pin Count: 44
• Mounting: Surface Mount
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Lead Free Status / RoHS Status: Not Compliant

6. Operating Modes
Notes:
7. DC and AC Operating Conditions for Read Operation
8. DC and Operating Characteristics for Read Operation
Notes:
4
Mode/Pin
Read
Output Disable
Standby
Rapid Program
PGM Verify
PGM Inhibit
Product Identification
Industrial Operating Temperature (Case)
V
Symbol
I
I
I
I
I
V
V
V
V
LI
LO
PP1
SB
CC
OL
OH
CC
IL
IH
(2)
Power Supply
1. X can be V
2. Refer to the Programming characteristics.
3. V
4. Two identifier words may be selected. All Ai inputs are held low (V
5. Standby V
1. V
2. V
AT27C2048
low (V
H
CC
PP
Parameter
Input Load Current
Output Leakage Current
V
V
V
Input Low Voltage
Input High Voltage
Output Low Voltage
Output High Voltage
= 12.0 ± 0.5V.
(2)
PP
CC
CC
may be connected directly to V
must be applied simultaneously or before V
(1)
IL
(1)
Active Current
) to select the Manufacturer’s Identification word and high (V
Read/Standby Current
Standby Current
(4)
CC
IL
or V
current (I
IH
.
SB
) is specified with V
Condition
V
V
V
I
CE = V
I
CE = 2.0 to V
f = 5 MHz, I
I
I
CE
V
V
SB1
SB2
OL
OH
V
V
V
V
CC
X
IN
OUT
PP
IH
IH
IL
IL
IL
IL
, except during programming. The supply current would then be the sum of I
= 2.1 mA
= -400 µA
= 0V to V
= V
(CMOS)
(TTL)
= 0V to V
CC
CC
PP
± 0.3V
OE
V
V
V
V
V
OUT
X
X
= V
IH
IH
IL
IL
IL
CC
CC
PP
CC
, and removed simultaneously or after V
= 0 mA, CE = V
CC
+ 0.5V
. V
PGM
CC
X
V
V
X
X
X
X
(1)
IH
IL
> V
PP
-40° C - 85° C
5V ± 10%
will cause a slight increase in I
IL
IL
), except A9, which is set to V
A0 = V
A1 - A16 = V
-55
IH
) to select the Device Code word.
A9 = V
Ai
Ai
Ai
Ai
X
X
X
IH
or V
H
(3)
IL
IL
AT27C2048
Min
-0.6
2.0
2.4
PP
V
V
V
V
X
V
X
X
.
PP
PP
PP
PP
(1)
CC
(5)
SB
H
V
.
, and A0, which is toggled
CC
-40° C - 85° C
Max
100
± 1
± 5
0.8
0.4
10
35
1
5V ± 10%
+ 0.5
Identification Code
-90
0632F–EPROM–12/07
Outputs
High Z
High Z
High Z
D
D
D
OUT
OUT
IN
Units
CC
mA
mA
µA
µA
µA
µA
V
V
V
V
and I
PP
.