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
8-Lead Plastic Dual In-line (P) – 300 mil (PDIP)
DS21822C-page 16
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
Mold Draft Angle Top
Mold Draft Angle Bottom
* Controlling Parameter
§ Significant Characteristic
Notes:
Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed
.010” (0.254mm) per side.
JEDEC Equivalent: MS-001
Drawing No. C04-018
n
eB
E1
E
Dimension Limits
§
Units
2
1
eB
A2
A1
E1
B1
D
n
p
A
E
L
B
c
c
D
MIN
Preliminary
.140
.115
.015
.300
.240
.360
.125
.008
.045
.014
.310
5
5
INCHES*
NOM
A
A1
.100
.155
.130
.313
.250
.373
.130
.012
.058
.018
.370
10
10
8
B1
B
MAX
.170
.145
.325
.260
.385
.135
.015
.070
.022
.430
15
15
MIN
3.56
2.92
0.38
7.62
6.10
9.14
3.18
0.20
1.14
0.36
7.87
5
5
MILLIMETERS
 2003 Microchip Technology Inc.
NOM
2.54
3.94
3.30
7.94
6.35
9.46
3.30
0.29
1.46
0.46
9.40
10
10
8
p
A2
MAX
10.92
L
3.68
8.26
6.60
9.78
3.43
0.38
1.78
0.56
4.32
15
15