AT27C020-70JC Atmel, AT27C020-70JC Datasheet - Page 5

• Manufacturer Part Number: AT27C020-70JC
• Description: IC OTP 2MBIT 70NS 32PLCC
• Manufacturer: Atmel

Specifications of AT27C020-70JC

• Format - Memory: EPROMs
• Memory Type: OTP EPROM
• Memory Size: 2M (256K x 8)
• Speed: 70ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 32-PLCC
• Density: 2Mb
• Organization: 256Kx8
• Interface Type: Parallel
• Bus Type: Parallel
• In System Programmable: External
• Access Time (max): 70ns
• 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: 25mA
• Pin Count: 32
• Mounting: Surface Mount
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

AC Waveforms for Read Operation
Notes:
Input Test Waveforms and
Measurement Levels
For -55 devices only:
t
For -70, -90, -12, -15 devices only:
t
Pin Capacitance
f = 1 MHz, T = 25 ° C
Note:
R
R
Symbol
C
C
, t
, t
DRIVING
LEVELS
IN
OUT
F
F
< 5 ns (10% to 90%)
< 20 ns (10% to 90%)
AC
1. Timing measurement references are 0.8V and 2.0V. Input AC drive levels are 0.45V and 2.4V, unless otherwise specified.
2. OE may be delayed up to t
3. OE may be delayed up to t
4. This parameter is only sampled and is not 100% tested.
5. Output float is defined as the point when data is no longer driven.
1. Typical values for nominal supply voltage. This parameter is only sampled and is not 100% tested.
3.0V
0.0V
(1)
Typ
1.5V
4
8
CE
ACC
- t
- t
OE
OE
AC
MEASUREMENT
LEVEL
after the falling edge of CE without impact on t
after the address is valid without impact on t
Max
(1)
12
8
Output Test Load
Note:
CL = 100 pF including jig capacitance except -55
devices, where CL = 30 pF.
Units
pF
pF
ACC
CE
.
.
Conditions
V
V
OUT
IN
= 0V
= 0V
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