Memory Size is 4Mb (512K x 8) - Memory Distributor - AT29BV040A-20TU AT49F040-12TI BQ4015YMA-70 - CHIPSIC

Part Number	Manufacturer / Brand	Brife Description	Part Status	Memory Type	Memory Format	Technology	Memory Size	Clock Frequency	Write Cycle Time - Word, Page	Access Time	Memory Interface	Voltage - Supply	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package
AT29BV040A-20TU	Microchip Technology	IC FLASH 4M PARALLEL 32TSOP	Obsolete	Non-Volatile	FLASH	FLASH	4Mb (512K x 8)	-	20ms	200ns	Parallel	2.7 V ~ 3.6 V	-40°C ~ 85°C (TC)	Surface Mount	32-TFSOP (0.724", 18.40mm Width)	32-TSOP
AT49F040-12TI	Microchip Technology	IC FLASH 4M PARALLEL 32TSOP	Obsolete	Non-Volatile	FLASH	FLASH	4Mb (512K x 8)	-	50µs	120ns	Parallel	4.5 V ~ 5.5 V	-40°C ~ 85°C (TC)	Surface Mount	32-TFSOP (0.724", 18.40mm Width)	32-TSOP
BQ4015YMA-70	Texas Instruments	IC NVSRAM 4M PARALLEL 32DIP	Obsolete	Non-Volatile	NVSRAM	NVSRAM (Non-Volatile SRAM)	4Mb (512K x 8)	-	70ns	70ns	Parallel	4.5 V ~ 5.5 V	0°C ~ 70°C (TA)	Through Hole	32-DIP Module (0.61", 15.49mm)	32-DIP Module (18.42x42.8)
BQ4015YMA-85	Texas Instruments	IC NVSRAM 4M PARALLEL 32DIP	Obsolete	Non-Volatile	NVSRAM	NVSRAM (Non-Volatile SRAM)	4Mb (512K x 8)	-	85ns	85ns	Parallel	4.5 V ~ 5.5 V	0°C ~ 70°C (TA)	Through Hole	32-DIP Module (0.61", 15.49mm)	32-DIP Module (18.42x42.8)
M25P40-VMN6	Micron Technology Inc.	IC FLASH 4M SPI 50MHZ 8SO	Obsolete	Non-Volatile	FLASH	FLASH - NOR	4Mb (512K x 8)	50MHz	15ms, 5ms	-	SPI	2.3 V ~ 3.6 V	-40°C ~ 85°C (TA)	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SO
M25P40-VMN6P	Micron Technology Inc.	IC FLASH 4M SPI 50MHZ 8SO	Obsolete	Non-Volatile	FLASH	FLASH - NOR	4Mb (512K x 8)	50MHz	15ms, 5ms	-	SPI	2.3 V ~ 3.6 V	-40°C ~ 85°C (TA)	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SO
M25P40-VMP6G	Micron Technology Inc.	IC FLASH 4M SPI 50MHZ 8VFDFPN	Obsolete	Non-Volatile	FLASH	FLASH - NOR	4Mb (512K x 8)	50MHz	15ms, 5ms	-	SPI	2.3 V ~ 3.6 V	-40°C ~ 85°C (TA)	Surface Mount	8-VDFN Exposed Pad	8-VFDFPN (6x5)
M25PE40-VMW6G	Micron Technology Inc.	IC FLASH 4M SPI 75MHZ 8SO	Obsolete	Non-Volatile	FLASH	FLASH - NOR	4Mb (512K x 8)	75MHz	15ms, 3ms	-	SPI	2.7 V ~ 3.6 V	-40°C ~ 85°C (TA)	Surface Mount	8-SOIC (0.209", 5.30mm Width)	8-SO
M27C4001-10B1	STMicroelectronics	IC EPROM 4M PARALLEL 32DIP	Obsolete	Non-Volatile	EPROM	EPROM - OTP	4Mb (512K x 8)	-	-	100ns	Parallel	4.5 V ~ 5.5 V	0°C ~ 70°C (TA)	Through Hole	32-DIP (0.600", 15.24mm)	32-PDIP
M27C4001-10F1	STMicroelectronics	IC EPROM 4M PARALLEL 32CDIP	Obsolete	Non-Volatile	EPROM	EPROM - UV	4Mb (512K x 8)	-	-	100ns	Parallel	4.5 V ~ 5.5 V	0°C ~ 70°C (TA)	Through Hole	32-CDIP (0.600", 15.24mm) Window	32-CDIP Frit Seal with Window
M27C4001-12C1	STMicroelectronics	IC EPROM 4M PARALLEL 32PLCC	Obsolete	Non-Volatile	EPROM	EPROM - OTP	4Mb (512K x 8)	-	-	120ns	Parallel	4.5 V ~ 5.5 V	0°C ~ 70°C (TA)	Surface Mount	32-LCC (J-Lead)	32-PLCC (11.35x13.89)
M27C4001-12F1	STMicroelectronics	IC EPROM 4M PARALLEL 32CDIP	Obsolete	Non-Volatile	EPROM	EPROM - UV	4Mb (512K x 8)	-	-	120ns	Parallel	4.5 V ~ 5.5 V	0°C ~ 70°C (TA)	Through Hole	32-CDIP (0.600", 15.24mm) Window	32-CDIP Frit Seal with Window
M27C4001-12F6	STMicroelectronics	IC EPROM 4M PARALLEL 32CDIP	Obsolete	Non-Volatile	EPROM	EPROM - UV	4Mb (512K x 8)	-	-	120ns	Parallel	4.5 V ~ 5.5 V	-40°C ~ 85°C (TA)	Through Hole	32-CDIP (0.600", 15.24mm) Window	32-CDIP Frit Seal with Window
M27C4001-15F1	STMicroelectronics	IC EPROM 4M PARALLEL 32CDIP	Obsolete	Non-Volatile	EPROM	EPROM - UV	4Mb (512K x 8)	-	-	150ns	Parallel	4.5 V ~ 5.5 V	0°C ~ 70°C (TA)	Through Hole	32-CDIP (0.600", 15.24mm) Window	32-CDIP Frit Seal with Window
M27C4001-45XF1	STMicroelectronics	IC EPROM 4M PARALLEL 32CDIP	Obsolete	Non-Volatile	EPROM	EPROM - UV	4Mb (512K x 8)	-	-	45ns	Parallel	4.75 V ~ 5.25 V	0°C ~ 70°C (TA)	Through Hole	32-CDIP (0.600", 15.24mm) Window	32-CDIP Frit Seal with Window
M27C4001-55C1	STMicroelectronics	IC EPROM 4M PARALLEL 32PLCC	Obsolete	Non-Volatile	EPROM	EPROM - OTP	4Mb (512K x 8)	-	-	55ns	Parallel	4.5 V ~ 5.5 V	0°C ~ 70°C (TA)	Surface Mount	32-LCC (J-Lead)	32-PLCC (11.35x13.89)
M27C4001-80B1	STMicroelectronics	IC EPROM 4M PARALLEL 32DIP	Obsolete	Non-Volatile	EPROM	EPROM - OTP	4Mb (512K x 8)	-	-	80ns	Parallel	4.5 V ~ 5.5 V	0°C ~ 70°C (TA)	Through Hole	32-DIP (0.600", 15.24mm)	32-PDIP
M27C4001-80XF1	STMicroelectronics	IC EPROM 4M PARALLEL 32CDIP	Obsolete	Non-Volatile	EPROM	EPROM - UV	4Mb (512K x 8)	-	-	80ns	Parallel	4.75 V ~ 5.25 V	0°C ~ 70°C (TA)	Through Hole	32-CDIP (0.600", 15.24mm) Window	32-CDIP Frit Seal with Window
M27W401-80K6	STMicroelectronics	IC EPROM 4M PARALLEL 32PLCC	Obsolete	Non-Volatile	EPROM	EPROM - OTP	4Mb (512K x 8)	-	-	80ns	Parallel	2.7 V ~ 3.6 V	-40°C ~ 85°C (TA)	Surface Mount	32-LCC (J-Lead)	32-PLCC (11.35x13.89)
M29F040B55N1	Micron Technology Inc.	IC FLASH 4M PARALLEL 32TSOP	Obsolete	Non-Volatile	FLASH	FLASH - NOR	4Mb (512K x 8)	-	55ns	55ns	Parallel	4.5 V ~ 5.5 V	0°C ~ 70°C (TA)	Surface Mount	32-TFSOP (0.724", 18.40mm Width)	32-TSOP (8x20)
M29F040B70K1	Micron Technology Inc.	IC FLASH 4M PARALLEL 32PLCC	Obsolete	Non-Volatile	FLASH	FLASH - NOR	4Mb (512K x 8)	-	70ns	70ns	Parallel	4.5 V ~ 5.5 V	0°C ~ 70°C (TA)	Surface Mount	32-LCC (J-Lead)	32-PLCC (11.35x13.89)
M29F040B70N6	Micron Technology Inc.	IC FLASH 4M PARALLEL 32TSOP	Obsolete	Non-Volatile	FLASH	FLASH - NOR	4Mb (512K x 8)	-	70ns	70ns	Parallel	4.5 V ~ 5.5 V	-40°C ~ 85°C (TA)	Surface Mount	32-TFSOP (0.724", 18.40mm Width)	32-TSOP (8x20)
M29F040B70N6E	Micron Technology Inc.	IC FLASH 4M PARALLEL 32TSOP	Obsolete	Non-Volatile	FLASH	FLASH - NOR	4Mb (512K x 8)	-	70ns	70ns	Parallel	4.5 V ~ 5.5 V	-40°C ~ 85°C (TA)	Surface Mount	32-TFSOP (0.724", 18.40mm Width)	32-TSOP (8x20)
M29F040B90K1	Micron Technology Inc.	IC FLASH 4M PARALLEL 32PLCC	Obsolete	Non-Volatile	FLASH	FLASH - NOR	4Mb (512K x 8)	-	90ns	90ns	Parallel	4.5 V ~ 5.5 V	0°C ~ 70°C (TA)	Surface Mount	32-LCC (J-Lead)	32-PLCC (11.35x13.89)
M29F040B90K6	Micron Technology Inc.	IC FLASH 4M PARALLEL 32PLCC	Obsolete	Non-Volatile	FLASH	FLASH - NOR	4Mb (512K x 8)	-	90ns	90ns	Parallel	4.5 V ~ 5.5 V	-40°C ~ 85°C (TA)	Surface Mount	32-LCC (J-Lead)	32-PLCC (11.35x13.89)
M29F040B90N1	Micron Technology Inc.	IC FLASH 4M PARALLEL 32TSOP	Obsolete	Non-Volatile	FLASH	FLASH - NOR	4Mb (512K x 8)	-	90ns	90ns	Parallel	4.5 V ~ 5.5 V	0°C ~ 70°C (TA)	Surface Mount	32-TFSOP (0.724", 18.40mm Width)	32-TSOP (8x20)
M29W040B55K6E	Micron Technology Inc.	IC FLASH 4M PARALLEL 32PLCC	Obsolete	Non-Volatile	FLASH	FLASH - NOR	4Mb (512K x 8)	-	55ns	55ns	Parallel	2.7 V ~ 3.6 V	-40°C ~ 85°C (TA)	Surface Mount	32-LCC (J-Lead)	32-PLCC (11.35x13.89)
M29W040B55N1	Micron Technology Inc.	IC FLASH 4M PARALLEL 32TSOP	Obsolete	Non-Volatile	FLASH	FLASH - NOR	4Mb (512K x 8)	-	55ns	55ns	Parallel	2.7 V ~ 3.6 V	0°C ~ 70°C (TA)	Surface Mount	32-TFSOP (0.724", 18.40mm Width)	32-TSOP (8x20)
M29W040B70N1	STMicroelectronics	IC FLASH 4M PARALLEL 32TSOP	Obsolete	Non-Volatile	FLASH	FLASH - NOR	4Mb (512K x 8)	-	70ns	70ns	Parallel	2.7 V ~ 3.6 V	0°C ~ 70°C (TA)	Surface Mount	32-TFSOP (0.724", 18.40mm Width)	32-TSOP
M29W040B90K1	STMicroelectronics	IC FLASH 4M PARALLEL 32PLCC	Obsolete	Non-Volatile	FLASH	FLASH - NOR	4Mb (512K x 8)	-	90ns	90ns	Parallel	2.7 V ~ 3.6 V	0°C ~ 70°C (TA)	Surface Mount	32-LCC (J-Lead)	32-PLCC (11.35x13.89)
M29W040B90K1E	Micron Technology Inc.	IC FLASH 4M PARALLEL 32PLCC	Obsolete	Non-Volatile	FLASH	FLASH - NOR	4Mb (512K x 8)	-	90ns	90ns	Parallel	2.7 V ~ 3.6 V	0°C ~ 70°C (TA)	Surface Mount	32-LCC (J-Lead)	32-PLCC (11.35x13.89)
M29W040B90K6	Micron Technology Inc.	IC FLASH 4M PARALLEL 32PLCC	Obsolete	Non-Volatile	FLASH	FLASH - NOR	4Mb (512K x 8)	-	90ns	90ns	Parallel	2.7 V ~ 3.6 V	-40°C ~ 85°C (TA)	Surface Mount	32-LCC (J-Lead)	32-PLCC (11.35x13.89)
M29W040B90N1	Micron Technology Inc.	IC FLASH 4M PARALLEL 32TSOP	Obsolete	Non-Volatile	FLASH	FLASH - NOR	4Mb (512K x 8)	-	90ns	90ns	Parallel	2.7 V ~ 3.6 V	0°C ~ 70°C (TA)	Surface Mount	32-TFSOP (0.724", 18.40mm Width)	32-TSOP (8x20)
M45PE40-VMP6G	Micron Technology Inc.	IC FLASH 4M SPI 75MHZ 8VFQFPN	Obsolete	Non-Volatile	FLASH	FLASH - NOR	4Mb (512K x 8)	75MHz	15ms, 3ms	-	SPI	2.7 V ~ 3.6 V	-40°C ~ 85°C (TA)	Surface Mount	8-VDFN Exposed Pad	8-VFQFPN (6x5)
M48Z512AV-85PM1	STMicroelectronics	IC NVSRAM 4M PARALLEL 32PMDIP	Obsolete	Non-Volatile	NVSRAM	NVSRAM (Non-Volatile SRAM)	4Mb (512K x 8)	-	85ns	85ns	Parallel	3 V ~ 3.6 V	0°C ~ 70°C (TA)	Through Hole	32-DIP Module (0.600", 15.24mm)	32-PMDIP
M50FLW040AK5G	Micron Technology Inc.	IC FLASH 4M PARALLEL 32PLCC	Obsolete	Non-Volatile	FLASH	FLASH - NOR	4Mb (512K x 8)	33MHz	-	250ns	Parallel	3 V ~ 3.6 V	-20°C ~ 85°C (TA)	Surface Mount	32-LCC (J-Lead)	32-PLCC (11.35x13.89)
M50FW040K5G	Micron Technology Inc.	IC FLASH 4M PARALLEL 32PLCC	Obsolete	Non-Volatile	FLASH	FLASH - NOR	4Mb (512K x 8)	33MHz	-	250ns	Parallel	3 V ~ 3.6 V	-20°C ~ 85°C (TA)	Surface Mount	32-LCC (J-Lead)	32-PLCC (11.35x13.89)
M50FW040N1	Micron Technology Inc.	IC FLASH 4M PARALLEL 40TSOP	Obsolete	Non-Volatile	FLASH	FLASH - NOR	4Mb (512K x 8)	33MHz	-	250ns	Parallel	3 V ~ 3.6 V	0°C ~ 70°C (TA)	Surface Mount	40-TFSOP (0.724", 18.40mm Width)	40-TSOP (10x20)
M50FW040N5G	Micron Technology Inc.	IC FLASH 4M PARALLEL 40TSOP	Obsolete	Non-Volatile	FLASH	FLASH - NOR	4Mb (512K x 8)	33MHz	-	250ns	Parallel	3 V ~ 3.6 V	-20°C ~ 85°C (TA)	Surface Mount	40-TFSOP (0.724", 18.40mm Width)	40-TSOP (10x20)
PSD4235G2V-90U	STMicroelectronics	IC FLASH 4M PARALLEL 80LQFP	Obsolete	Non-Volatile	FLASH	FLASH	4Mb (512K x 8)	-	-	90ns	Parallel	3 V ~ 3.6 V	0°C ~ 70°C (TA)	Surface Mount	80-LQFP	80-LQFP (12x12)
PSD835G2-70U	STMicroelectronics	IC FLASH 4M PARALLEL 80LQFP	Obsolete	Non-Volatile	FLASH	FLASH	4Mb (512K x 8)	-	-	70ns	Parallel	4.5 V ~ 5.5 V	0°C ~ 70°C (TA)	Surface Mount	80-LQFP	80-LQFP (12x12)
PSD835G2-90U	STMicroelectronics	IC FLASH 4M PARALLEL 80LQFP	Obsolete	Non-Volatile	FLASH	FLASH	4Mb (512K x 8)	-	-	90ns	Parallel	4.5 V ~ 5.5 V	0°C ~ 70°C (TA)	Surface Mount	80-LQFP	80-LQFP (12x12)
PSD835G2V-90U	STMicroelectronics	IC FLASH 4M PARALLEL 80LQFP	Obsolete	Non-Volatile	FLASH	FLASH	4Mb (512K x 8)	-	-	90ns	Parallel	3 V ~ 3.6 V	0°C ~ 70°C (TA)	Surface Mount	80-LQFP	80-LQFP (12x12)
SST25VF040B-50-4C-SAF-T	Microchip Technology	IC FLASH 4M SPI 50MHZ 8SOIC	Active	Non-Volatile	FLASH	FLASH	4Mb (512K x 8)	50MHz	10µs	-	SPI	2.7 V ~ 3.6 V	0°C ~ 70°C (TA)	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
SST39VF040-70-4I-NHE	Microchip Technology	IC FLASH 4M PARALLEL 32PLCC	Active	Non-Volatile	FLASH	FLASH	4Mb (512K x 8)	-	20µs	70ns	Parallel	2.7 V ~ 3.6 V	-40°C ~ 85°C (TA)	Surface Mount	32-LCC (J-Lead)	32-PLCC
SST39VF040-70-4I-WHE	Microchip Technology	IC FLASH 4M PARALLEL 32TSOP	Active	Non-Volatile	FLASH	FLASH	4Mb (512K x 8)	-	20µs	70ns	Parallel	2.7 V ~ 3.6 V	-40°C ~ 85°C (TA)	Surface Mount	32-TFSOP (0.488", 12.40mm Width)	32-TSOP
W25P40VSNIG	Winbond Electronics	IC FLASH 4M SPI 40MHZ 8SOIC	Obsolete	Non-Volatile	FLASH	FLASH	4Mb (512K x 8)	40MHz	5ms	-	SPI	2.7 V ~ 3.6 V	-40°C ~ 85°C (TA)	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
W25X40AVSSIG	Winbond Electronics	IC FLASH 4M SPI 100MHZ 8SOIC	Obsolete	Non-Volatile	FLASH	FLASH	4Mb (512K x 8)	100MHz	3ms	-	SPI	2.7 V ~ 3.6 V	-40°C ~ 85°C (TA)	Surface Mount	8-SOIC (0.209", 5.30mm Width)	8-SOIC
W25X40AVZPIG	Winbond Electronics	IC FLASH 4M SPI 100MHZ 8WSON	Obsolete	Non-Volatile	FLASH	FLASH	4Mb (512K x 8)	100MHz	3ms	-	SPI	2.7 V ~ 3.6 V	-40°C ~ 85°C (TA)	Surface Mount	8-WDFN Exposed Pad	8-WSON (6x5)
W39V040FAPZ	Winbond Electronics	IC FLASH 4M PARALLEL 32PLCC	Obsolete	Non-Volatile	FLASH	FLASH	4Mb (512K x 8)	-	-	300ns	Parallel	3 V ~ 3.6 V	0°C ~ 70°C (TA)	Surface Mount	32-LCC (J-Lead)	32-PLCC (11.43x13.97)

Manufacturers for Memory