Read Only Memory

Rom types:

 

Texas Instruments (TMS 27xx/25xx):

 

2708 = > 8 kbit = 8 x 1024 bit / 8 bit = 1024 bytes = 1 kbyte = 1 k

2716 = > 16 kbit = 16 x 2048 bit / 8 bit = 2048 bytes = 2 k

2732 = 4096 = 4 k

2764 = 8192 = 8 k

27128 = 16384 = 16 k

27256 = 32768 = 32 k

27512 = 65536 = 64 k

 

2516 = 2048 bytes Astro Blaster (Sega 1981) uses TI TMS2516JL

2532 = 4096 bytes Liberator (Atari 1982) uses 11x TMS2532JDL-45 (450 nS).

2564 = 8196 bytes Zaxxon (Sega 1982)

 

AMD/Intel:

27C010 = 131072 = 128 k

27C101 = 131072 = 128 k

27C400 = 524288 = 512 k

27C512 = 65536 = 64 k

 

Hitachi:

HN62404P = 524288 = 512 k

 

234000 = 262144 = 256 k

834100 = 524288 = 512 k

 

Mitsubushi M5L2764K = 8192 = 8k

NEC D2732D = 4096 = 4k

Fujitsu 2732A = 4096 = 4k

Fujitsu MB8516-39 = 2048 = 2k (read as 2716)

 

NS (National Sem) NMC27C256Q =32768 <--Twin Cobra (1987)

i (Intel) P27256-2 =32768

ST (SGS/Thomson) M27512-2FI =65536

 

PROM (Programmable ROM)

 

Color Prom (Red/Green/Blue), Alpha Numerics PROM, Sync prom, Sprite Prom, Decoder prom

 

Signetics (82SXXX):

 

82S123 = 32 bytes

82S129 = 256 bytes (256 x 4) Type 82S129 (File ID PR-5317) Colors ( 256 bytes)

82S131 = 512 bytes (Super Breakout Atari 1978)

82S137 = 1024 bytes (1kx4) Alpha Numerics

82S141 = 512 bytes

82S153 = 1024 bytes

82S115 = 512 bytes (512 x 8)

82S181 = 1024 bytes

82S185 = 2048 bytes (Avalanche - Atari 1978)

 

Texas Instruments TI:

 

TBP18S030 (read as 82S123) = 32 bytes (compatible to a AM27S19, MB7112...)

TBP24S10 (read as 82S129) = 256 bytes (compatible to a AM27S21, MB7114...)

TBP21S41 (read as 82S137) = 1024 bytes

 

Others:

 

PR5317.76 = 256 bytes Palette Prom (Brian - Sega 1986)

EB16.22 = 256 bytes Data Prom (Space Seeker - Taito 1981)

 

74S288 = 32 bytes Color Prom (Crazy Kong - Falcon 1981)

6330-1J = 32 bytes compatible to a N82S23, AM27S18... (Cosmic Alien - Universal 1979)

MMI 6331 (82S123) (Bagman - Valadon Automation 1982) 6331-1J is compatible to a N82S123, AM27S19...

MMI 63S081N = 32 bytes

MMI 63S141 (256x4) = 256 bytes

MB7051 (read as an 82S123) = 32 bytes

Fujitsu MB7122E and MB7132E Proms (Pac-Land Namco 1984)

9316B = 2048 bytes (Boot Hill Midway 1977)

 

RAM (Read Access Memory)

 

RAM chips are needed for the video card of the automat

 

2016 Psycho-Nics Oscar

2018 Land Sea Air Squad

2102 Lazer Command (Meadows Games, 1976)

2114

2125

2128

Mitsubishi "M5T4044P-45"(M58754) (Astro Invader)

TMM2016

NEC D416 (In Kangaroo Video boards)

TMS4461

GS: GM76C28 = 6116

Hyundai: HY6264P = 6264