Philips EXP221 Service Manual page 13
Hide thumbs
Also See for EXP221:
- Quick start (5 pages) ,
- User manual (2 pages) ,
- Specifications (2 pages)
Table of Contents
Advertisement
IC BLOCK DIAGRAM
HY57V161610D
FUNCTIONAL BLOCK DIAGRAM
1Mx16 Synchronous DRAM
Refresh
Interval Timer
Address[0:10]
CLK
CKE
BA(A11)
Column Active
CS
RAS
CAS
WE
UDQM
LDQM
Self Refresh Counter
Refresh
Counter
Address
Precharge
Register
Row Active
Burst Length
Counter
Mode Register
3-5
512Kx16
Bank 0
Sense AMP & I/O gates
Column Decoder
Column Addr.
Latch & Counter
Overflow
Column Decoder
Sense AMP & I/O gates
512Kx16
Bank 1
Test Mode
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
DQ8
DQ9
DQ10
DQ11
DQ12
DQ13
DQ14
DQ15
I/O Control
Advertisement
Table of Contents
