AT28BV256-20TU Atmel, AT28BV256-20TU Datasheet - Page 14

• Manufacturer Part Number: AT28BV256-20TU
• Description: IC EEPROM 256KBIT 200NS 28TSOP
• Manufacturer: Atmel

Specifications of AT28BV256-20TU

• Format - Memory: EEPROMs - Parallel
• Memory Type: EEPROM
• Memory Size: 256K (32K x 8)
• Speed: 200ns
• Interface: Parallel
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-TSOP
• Capacitance, Input: 4 pF
• Capacitance, Output: 8 pF
• Current, Input, Leakage: 10 μA
• Current, Operating: 15 mA
• Current, Output, Leakage: 10
• Data Retention: 10 yrs.
• Density: 256K
• Organization: 32K×8
• Package Type: TSOP
• Power Dissipation: 54 mW
• Temperature, Operating: -40 to +85 °C
• Time, Access: 200 ns
• Time, Address Hold: 50
• Voltage, Input, High: 2 V
• Voltage, Input, Low: 0.6 V
• Voltage, Output, High: 2 V
• Voltage, Output, Low: 0.3 V
• Voltage, Supply: 2.7 to 3.6 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

25. Packaging Information
25.1
14
Notes:
32J – PLCC
AT28BV256
R
2325 Orchard Parkway
San Jose, CA 95131
1. This package conforms to JEDEC reference MS-016, Variation AE.
2. Dimensions D1 and E1 do not include mold protrusion.
3. Lead coplanarity is 0.004" (0.102 mm) maximum.
0.51(0.020)MAX
Allowable protrusion is .010"(0.254 mm) per side. Dimension D1
and E1 include mold mismatch and are measured at the extreme
material condition at the upper or lower parting line.
45˚ MAX (3X)
1.14(0.045) X 45˚
B
e
TITLE
32J, 32-lead, Plastic J-leaded Chip Carrier (PLCC)
D2
D1
D
IDENTIFIER
PIN NO. 1
E1
1.14(0.045) X 45˚
E
SYMBOL
A
A
A1
A2
D
D1
D2
E
E1
E2
B
B1
e
B1
A2
A1
12.319
11.354
14.859
13.894
12.471
0.318(0.0125)
0.191(0.0075)
3.175
1.524
9.906
0.660
0.330
0.381
COMMON DIMENSIONS
MIN
(Unit of Measure = mm)
E2
1.270 TYP
NOM
–
–
–
–
–
–
–
–
–
–
–
DRAWING NO.
12.573
11.506
10.922
15.113
14.046
13.487
3.556
2.413
0.813
0.533
MAX
–
32J
0273K–PEEPR–2/09
Note 2
Note 2
NOTE
10/04/01
REV.
B