PF38F2030W0YCQ3 Intel, PF38F2030W0YCQ3 Datasheet - Page 44

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PF38F2030W0YCQ3

Manufacturer Part Number
PF38F2030W0YCQ3
Description
Manufacturer
Intel
Datasheet

Specifications of PF38F2030W0YCQ3

Operating Supply Voltage (max)
1.95V
Operating Temperature (max)
85C
Mounting
Surface Mount
Lead Free Status / RoHS Status
Compliant
F i g u r e 2 5 . P S R A M W A I T B e h a v i o r d u r i n g B u r s t R e a d E n d - o f - R o w w i t h W r a p O f f
I n t e l
D a t a s h e e t
4 4
®
W i r e l e s s F l a s h M e m o r y ( W 1 8 S C S P ) w i t h S y n c P S R A M
D u r i n g v a r i a b l e l a t e n c y b u r s t w r i t e o p e r a t i o n s a n d f i x e d l a t e n c y b u r s t w r i t e a n d r e a d
o p e r a t i o n s t h e i n i t i a l l a t e n c y i s f i x e d s o t h e s y s t e m i s n o t r e q u i r e d t o m o n i t o r t h e W A I T
s i g n a l a l t h o u g h t h e W A I T s i g n a l i s f u l l y f u n c t i o n a l a n d m a y b e m o n i t o r e d b y t h e
s y s t e m . T h e s y s t e m s h o u l d t e r m i n a t e o r i n t e r r u p t t h e b u r s t a c c e s s t o a v o i d r o w
b o u n d a r y c r o s s i n g s i n b o t h f i x e d a n d v a r i a b l e l a t e n c y m o d e .
T o m a t c h w i t h t h e F l a s h i n t e r f a c e s o f d i f f e r e n t m i c r o p r o c e s s o r t y p e s t h e p o l a r i t y a n d
t h e t i m i n g o f t h e W A I T s i g n a l c a n b e c o n f i g u r e d . T h e p o l a r i t y c a n b e p r o g r a m m e d t o b e
e i t h e r a c t i v e l o w o r a c t i v e h i g h . T h e t i m i n g o f t h e W A I T s i g n a l c a n b e a d j u s t e d a s w e l l .
D e p e n d i n g o n t h e B C R s e t t i n g t h e W A I T s i g n a l w i l l b e e i t h e r a s s e r t e d a t t h e s a m e t i m e
t h e d a t a b e c o m e s i n v a l i d o r i t w i l l b e s e t a c t i v e o n e c l o c k p e r i o d i n a d v a n c e .
I n a s y n c h r o n o u s m o d e i n c l u d i n g p a g e m o d e , t h e W A I T s i g n a l i s n o t u s e d b u t s t a y s
a s s e r t e d a s B C R b i t 1 0 i s s p e c i f i e d . I n t h i s c a s e , t h e s y s t e m s h o u l d i g n o r e t h e W A I T
s i g n a l . W h e n t h e P S R A M i s d e s e l e c t e d o r i n d e e p p o w e r d o w n , t h e W A I T o u t p u t w i l l b e
i n a h i g h i m p e d a n c e s t a t e .
DQ[15:0]
WAIT
CLK
CE#
End of Row
tWK
tHD
tCSS
1 2 8 - M b i t W Q F a m i l y w i t h S y n c h r o n o u s P S R A M
1 2 8 - M b i t W Q F a m i l y w i t h S y n c h r o n o u s P S R A M
tWZ
tOD
O r d e r N u m b e r : 3 1 1 7 6 0 - 0 0 4
J u l y 2 0 0 6

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