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