M27C256B-12F1

Maximum Operating Temperature : + 70 C
Mounting Style : Through Hole
Interface Type : Parallel
Operating Supply Voltage : 5 V
Memory Size : 256 Kb
Type : OTP, UV
Operating Current : 50 mA
Programming Voltage : 12.75 V
Organization : 32 Kbit x 8
Package / Case : FDIP-28W


Specifications




Description

The M27C256B-12F1 is one member of the 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM device that can be used in microprocessor systems and is organized as 32,768 by 8 bits. Also this device is available in PDIP28, PLCC32 and TSOP28 (8 x 13.4 mm) packages.

Features of the M27C256B-12F1 are:(1)5 V +/- 10% supply voltage in Read operation; (2)Access time: 45 ns; (3)low Power Consumption: Active current: 30 mA at 5 MHz and Standby current: 100 uA; (4)Programming voltage: 12.75 V +/- 0.25 V; (5)Programming time: 100 us/word; (6)Electronic signature: Manufacturer code: 20h and Device code: 8Dh; (7)ECOPACKR packages available.

The absolute maximum ratings of the M27C256B-12F1 can be summarized as:(1)Ambient operating temperature:40 to 125 °C;(2)Temperature under bias:50 to 125 °C;(3)Storage temperature:65 to 150 °C;(4)Input or output voltage (except A9):2 to 7 V;(5)Supply voltage:2 to 7 V;(6)A9 voltage:2 to 13.5 V;(7)Program supply voltage:2 to 14 V.

The electrical characteristics of this M27C256B-12F1 can be summarized as:(1)Input leakage current: ±10 A;(2)Output leakage current: ±10 A;(3)Supply current: 30 mA;(4)Supply current (Standby) TTL: 1 mA;(5)Supply current (Standby) CMOS: 100 A;(6)Program current: 100 A;(7)Input low voltage:0.3 to 0.8 V;(8)Input high voltage: 2 to VCC+1 V;(9)Output low voltage: 0.4 V;(10)Output high voltage TTL: 3.6 V;(11)Output high voltage CMOS: VCC-0.7 V. If you want to know more information about the M27C256B-12F1, please download the datasheet in www.seekic.com or www.chinaicmart.com .

Parameters:

Technical/Catalog Information	M27C256B-12F1
Vendor	STMicroelectronics
Category	Integrated Circuits (ICs)
Memory Type	UV EPROM
Memory Size	256K (32K x 8)
Speed	120ns
Interface	Parallel
Package / Case	28-CDIP Window (600 mil) Frit Seal
Packaging	Tube
Voltage - Supply	4.5 V ~ 5.5 V
Operating Temperature	0°C ~ 70°C
Format - Memory	EPROMs
Drawing Number	*
Lead Free Status	Lead Free
RoHS Status	RoHS Compliant
Other Names	M27C256B 12F1 M27C256B12F1 497 1646 5 ND 49716465ND 497-1646-5