| | ic part no. | memory type | rom (bit) | ram (byte) | i/o pins | interrupt (ex/in) | timer modules | wdt | pwm | vdd(v) | oper. temp.(°c) | oscillation mode | comparator | special function | package-lead count | | (8-bit) | (16-bit) | em78p447n
| otp | 4k*13 | 148 | 17
20
20
24 | 2(1/1) | 1 | - | yes | - | 2.3~5.5
2.5~5.5 | 0 ~ 70
-40 ~ 85 | erc,hxt,
lxt | - | high noise immunity | sop/ssop-28l
dip/sop/sdip-32l | em78153s
| mask | 1k*13 | 32 | 11 i/o & 1i | 3(2/1) | 1 | - | yes | - | 2.3 ~ 5.5 | 0 ~ 70 | irc,erc,
hxt,lxt | - | irc | dip/sop-14l | em78p153s
| otp | 1k*13 | 32 | 11 i/o & 1i | 3(2/1) | 1 | - | yes | - | 2.3 ~ 5.5 | 0 ~ 70 | irc,erc,
hxt,lxt | - | irc | dip/sop-14l | em78156e
| mask | 1k*13 | 48 | 12 | 3(2/1) | 1 | - | yes | - | 2.3 ~ 5.5 | 0 ~ 70 | erc,hxt,
lxt | - | - | dip/sop-18l
ssop-20l | em78p156el
| otp | 1k*13 | 48 | 12 | 3(2/1) | 1 | - | yes | - | 2.3 ~ 5.5 | 0 ~ 70 | erc,hxt,
lxt | - | - | dip/sop-18l
ssop-20l | em78447sa/b/c/d
| mask | 4k*13 | 148 | 17
20
20
24 | 2(1/1) | 1 | - | yes | - | 2.3 ~ 5.5 | 0 ~ 70 | erc,hxt,
lxt | - | - | sop/ssop-28l
dip/sop/sdip-32l | em78p447sa/b/c/d
| otp | 4k*13 | 148 | 17
20
20
24 | 2(1/1) | 1 | - | yes | - | 2.3 ~ 5.5 | 0 ~ 70 | erc,hxt,
lxt | - | - | sop/ssop-28l
dip/sop/sdip-32l | em78p451s
| otp | 4k*13 | 140 | 35 | 4(1/3) | 2 | - | yes | - | 2.3 ~ 5.5 | 0 ~ 70 | eric,erc,
hxt,lxt | - | spi | dip/sop-40l
qfp-44l | em78452
| mask | 4k*13 | 140 | 35 | 4(1/3) | 2 | - | yes | - | 2.2 ~ 5.5 | 0 ~ 70 | eric,erc,
hxt,lxt | - | spi
timer 1 isolation
2.2v/ 16mhz (mask) | dip/sop-40l
qfp-44l | em78p153a
| otp | 1k*13 | 32 | 11 i/o & 1i | 3(2/1) | 1 | - | yes | - | 2.3 ~ 5.5 | 0 ~ 70 | irc,erc,
hxt,lxt | - | irc,lvd | dip/sop-14l | em78p131a
| otp | 1k*13 | 32 | 7 i/o & 1i | 3(2/1) | 1 | - | yes | - | 2.3 ~ 5.5 | 0 ~ 70 | irc,erc,
hxt,lxt | - | irc,lvd | msop-10l |
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