AT27C256R-70RU Atmel, AT27C256R-70RU Datasheet - Page 13

• Manufacturer Part Number: AT27C256R-70RU
• Description: IC OTP 256KBIT 70NS 28SOIC
• Manufacturer: Atmel

Specifications of AT27C256R-70RU

• Format - Memory: EPROMs
• Memory Type: OTP EPROM
• Memory Size: 256K (32K x 8)
• Speed: 70ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-SOIC (8.69mm width)
• Density: 256Kb
• Organization: 32Kx8
• Interface Type: Parallel
• Bus Type: Parallel
• In System Programmable: External
• Access Time (max): 70ns
• Package Type: SOIC
• Reprogramming Technique: OTP
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Supply Current: 20mA
• Pin Count: 28
• Mounting: Surface Mount
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

20.3
0014M–EPROM–12/07
28R – SOIC
R
Note: 1. Dimensions D and E1 do not include mold Flash
or protrusion. Mold Flash or protrusion shall not exceed
0.25 mm (0.010").
0º ~ 8º
2325 Orchard Parkway
San Jose, CA 95131
PIN 1
e
D
B
TITLE
28R, 28-lead, 0.330" Body Width,
Plastic Gull Wing Small Outline (SOIC)
L
A 1
E 1
C
A
E
SYMBOL
A
A1
D
E
E1
B
C
L
e
18.00
11.70
2.39
0.050
8.59
0.356
0.203
0.94
COMMON DIMENSIONS
MIN
(Unit of Measure = mm)
1.27 TYP
NOM
–
–
–
–
–
–
–
–
DRAWING NO.
AT27C256R
18.50
12.50
2.79
0.356
8.79
0.508
0.305
1.27
MAX
28R
5/18/2004
Note 1
Note 1
NOTE
REV.
C
13