M87C257-15F6 STMicroelectronics, M87C257-15F6 Datasheet - Page 20

• Manufacturer Part Number: M87C257-15F6
• Description: IC EPROM 256KBIT 150NS 28CDIP
• Manufacturer: STMicroelectronics

Specifications of M87C257-15F6

• Format - Memory: EPROMs
• Memory Type: UV EPROM
• Memory Size: 256K (32K x 8)
• Speed: 150ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-CDIP (0.600", 15.24mm) Window
• Density: 256Kb
• Organization: 32Kx8
• Interface Type: Parallel
• Bus Type: Parallel
• In System Programmable: In System/External
• Access Time (max): 150ns
• Package Type: CFDIPW
• Reprogramming Technique: UV
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Supply Current: 50mA
• Pin Count: 28
• Mounting: Through Hole
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Part numbering
6
20/22
Part numbering
Table 14.
1. High Speed, see AC Characteristics section for further information.
For a list of available options (Speed, Package, etc...) or for further information on any
aspect of this device, please contact the STMicroelectronics Sales Office nearest to you.
Example:
Device Type
M87
Supply Voltage
C = 5V
Device Function
257 = 256 Kbit (32Kb x 8)
Speed
-45
-60 = 60ns
-70 = 70 ns
-80 = 80 ns
-90 = 90 ns
-10 = 100 ns
-12 = 120 ns
-15 = 150 ns
-20 = 200 ns
V
X = ± 5%
blank = ± 10%
Package
F = FDIP28W
C = PLCC32
Temperature Range
1 = 0 to 70 °C
3 = –40 to 125 °C
6 = –40 to 85 °C
Options
TR = Tape & Reel Packing
CC
(1)
Tolerance
= 45 ns
Ordering information scheme
M87C257
-70
X
C
1
M87C257
X