M87C257-12F1 STMicroelectronics, M87C257-12F1 Datasheet - Page 14

• Manufacturer Part Number: M87C257-12F1
• Description: IC EPROM 256KBIT 120NS 28CDIP
• Manufacturer: STMicroelectronics

Specifications of M87C257-12F1

• Format - Memory: EPROMs
• Memory Type: UV EPROM
• Memory Size: 256K (32K x 8)
• Speed: 120ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 28-CDIP (0.600", 15.24mm) Window
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

DC and AC parameters
14/22
Figure 7.
A0-A14
ASV PP
E
G
Q0-Q7
Read mode AC waveforms
VALID
tAVASL
tASHASL
tAVQV
tELQV
tASLGL
tGLQV
tASLAX
DATA OUT
tAXQX
tGHQZ
tEHQZ
M87C257
AI00931
Hi-Z