Specification	AT27C256R-15RC

Access Time	150 ns
Memory Depth	32 K
Memory Format	EPROM
Memory Interface (Type)	Parallel
Memory Size	32 kB
Memory Type	Non-Volatile
Memory Width	8 bit
Mounting Type	Surface Mount
Operating Temperature (Max)	70 °C
Operating Temperature (Min)	0 °C
Package Length	0.342 in
Package Name	28-SOIC
Package Width	8.69 mm
Technology	EPROM - OTP
Voltage - Supply (Maximum)	5.5 V
Voltage - Supply (Minimum)	4.5 V

AT27C256 Series

Part	Access Time	Technology	Package Width	Package Name	Package Length	Memory Depth	Memory Width	Memory Interface (Type)	Operating Temperature (Min)	Operating Temperature (Max)	Mounting Type	Voltage - Supply (Maximum)	Voltage - Supply (Minimum)	Memory Type	Memory Format	Memory Size	Package / Case
Microchip Technology AT27C256R-55PI	55 ns	EPROM - OTP	15.24 mm	28-DIP 28-PDIP	0.6 in	32 K	8 bit	Parallel	-40 °C	85 °C	Through Hole	5.5 V	4.5 V	Non-Volatile	EPROM	32 kB
Microchip Technology AT27C256R-70JI	70 ns	EPROM - OTP	11.43 mm	32-PLCC	13.97 mm	32 K	8 bit	Parallel	-40 °C	85 °C	Surface Mount	5.5 V	4.5 V	Non-Volatile	EPROM	32 kB	32-LCC (J-Lead)
Microchip Technology AT27C256R-45TC	45 ns	EPROM - OTP	11.8 mm	28-TSOP 28-TSSOP	0.465 in	32 K	8 bit	Parallel	0 °C	70 °C	Surface Mount	5.5 V	4.5 V	Non-Volatile	EPROM	32 kB
Microchip Technology AT27C256R-90PC	90 ns	EPROM - OTP	15.24 mm	28-DIP 28-PDIP	0.6 in	32 K	8 bit	Parallel	0 °C	70 °C	Through Hole	5.5 V	4.5 V	Non-Volatile	EPROM	32 kB
Microchip Technology AT27C256R-12RI	120 ns	EPROM - OTP	8.69 mm	28-SOIC	0.342 in	32 K	8 bit	Parallel	-40 °C	85 °C	Surface Mount	5.5 V	4.5 V	Non-Volatile	EPROM	32 kB
Microchip Technology AT27C256R-90TI	90 ns	EPROM - OTP	11.8 mm	28-TSOP 28-TSSOP	0.465 in	32 K	8 bit	Parallel	-40 °C	85 °C	Surface Mount	5.5 V	4.5 V	Non-Volatile	EPROM	32 kB
Microchip Technology AT27C256R-15RC	150 ns	EPROM - OTP	8.69 mm	28-SOIC	0.342 in	32 K	8 bit	Parallel	0 °C	70 °C	Surface Mount	5.5 V	4.5 V	Non-Volatile	EPROM	32 kB
Microchip Technology AT27C256R-70JC	70 ns	EPROM - OTP	11.43 mm	32-PLCC	13.97 mm	32 K	8 bit	Parallel	0 °C	70 °C	Surface Mount	5.5 V	4.5 V	Non-Volatile	EPROM	32 kB	32-LCC (J-Lead)
Microchip Technology AT27C256R-15TI	150 ns	EPROM - OTP	11.8 mm	28-TSOP 28-TSSOP	0.465 in	32 K	8 bit	Parallel	-40 °C	85 °C	Surface Mount	5.5 V	4.5 V	Non-Volatile	EPROM	32 kB
Microchip Technology AT27C256R-12JC	120 ns	EPROM - OTP	11.43 mm	32-PLCC	13.97 mm	32 K	8 bit	Parallel	0 °C	70 °C	Surface Mount	5.5 V	4.5 V	Non-Volatile	EPROM	32 kB	32-LCC (J-Lead)

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AT27C256R-15RC | Datasheet