HT47R20 datasheet(20/42 Pages) HOLTEK

20 / 42 page

HT47R20

Rev. 1.10

2002-07-25

C K

D a t a B u s

W R

W E A K

P u l l - u p

P A 0 / B Z

V D D

O p t i o n

V D D

B Z O p t i o n

R e a d P a t h

B Z S i g n a l

C K

W E A K

P u l l - u p

P A 1 / B Z

V D D

O p t i o n

V D D

B Z O p t i o n

R e a d P a t h

C h i p R e s e t

O p t i o n

S y s t e m W a k e - u p

O p t i o n

S y s t e m W a k e - u p

D a t a B u s

W R

C h i p R e s e t

PA0/BZ PA1/ BZ 输入/输出口

C K

D A T A B U S

W R

C h i p R e s e t

W E A K

P u l l - u p

P A 3 / P F D

M a s k O p t i o n

V D D

M a s k

O p t i o n

V D D

I R O p t i o n

R e a d P a t h

P F D S i g n a l

M a s k O p t i o n

S y s t e m W a k e - u p

PA2/IR PA3/PFD 输入/输出口

C K

D a t a B u s

W r i t e

C h i p R e s e t

R e a d I / O

S y s t e m W a k e - u p

W E A K

P u l l - u p

P A 4 ~ P A 7

O p t i o n

V D D

W E A K

P u l l - u p

P B 0 ~ P B 3

V D D

D a t a B u s

R e a d D a t a

PA4~PA7 输入/输出口

PB 输入口

HT47R20 Datasheet(PDF) 20 Page - Holtek Semiconductor Inc

HT47R20 Datasheet(HTML) 20 Page - Holtek Semiconductor Inc

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