25LC256-I/ST Microchip Technology, 25LC256-I/ST Datasheet - Page 16

• Manufacturer Part Number: 25LC256-I/ST
• Description: IC EEPROM 256KBIT 10MHZ 8TSSOP
• Manufacturer: Microchip Technology

Specifications of 25LC256-I/ST

• Memory Size: 256K (32K x 8)
• Package / Case: 8-TSSOP
• Operating Temperature: -40°C ~ 85°C
• Format - Memory: EEPROMs - Serial
• Memory Type: EEPROM
• Speed: 10MHz
• Interface: SPI, 3-Wire Serial
• Voltage - Supply: 2.5 V ~ 5.5 V
• Organization: 32 K x 8
• Interface Type: SPI
• Maximum Clock Frequency: 10 MHz
• Access Time: 50 ns
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.5 V
• Maximum Operating Current: 6 mA
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Operating Supply Voltage: 2.5 V, 5.5 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

25AA256/25LC256
DS21822F-page 16
8-Lead Plastic Dual In-Line (P) – 300 mil Body [PDIP]
Notes:
1. Pin 1 visual index feature may vary, but must be located with the hatched area.
2. § Significant Characteristic.
3. Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed .010" per side.
4. Dimensioning and tolerancing per ASME Y14.5M.
Note:
BSC: Basic Dimension. Theoretically exact value shown without tolerances.
For the most current package drawings, please see the Microchip Packaging Specification located at
http://www.microchip.com/packaging
Number of Pins
Pitch
Top to Seating Plane
Molded Package Thickness
Base to Seating Plane
Shoulder to Shoulder Width
Molded Package Width
Overall Length
Tip to Seating Plane
Lead Thickness
Upper Lead Width
Lower Lead Width
Overall Row Spacing §
NOTE 1
A
A1
b1
b
1
N
2
D
Dimension Limits
3
e
Units
L
A2
A1
E1
eB
E1
b1
N
D
A
E
e
L
c
b
A2
.115
.015
.290
.240
.348
.115
.008
.040
.014
MIN
–
–
eB
.100 BSC
E
INCHES
NOM
.310
.365
.130
.060
.018
.130
.250
.010
–
–
8
–
Microchip Technology Drawing C04-018B
© 2007 Microchip Technology Inc.
MAX
.210
.195
.325
.280
.400
.150
.015
.070
.022
.430
c
–