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PC87373 bảng dữ liệu(PDF) 167 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
tên linh kiện PC87373
Giải thích chi tiết về linh kiện  LPC SuperI/O with Glue Functions
PDF  174 Pages
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nhà sản xuất  NSC [National Semiconductor (TI)]
Trang chủ  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC87373 bảng dữ liệu(HTML) 167 Page - National Semiconductor (TI)

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13.0 Device Characteristics (Continued)
167
www.national.com
Revision 1.1
13.4.6 Parallel Port Timing
Standard Parallel Port Timing
Enhanced Parallel Port Timing
Symbol
Parameter
Conditions
Min
Max
Unit
tPDH
Port Data Hold
SPP Mode 0 and Mode 1, ECP Mode 0 and Mode1:
system dependent; ECP Mode 2: device dependent.
750
ns
tPDS
Port Data Setup
SPP Mode 0 and Mode 1, ECP Mode 0 and Mode1:
system dependent; ECP Mode 2: device dependent.
750
ns
tSW
Strobe Width
SPP Mode 0 and Mode 1, ECP Mode 0 and Mode1:
system dependent; ECP Mode 2: device dependent.
750
ns
Symbol
Parameter
Min
Max
EPP 1.71
1. Also in ECP Mode 4
EPP 1.91
Unit
tWW19a
WRITE Active from WAIT Low
45
✔
ns
tWW19ia
WRITE Inactive from WAIT Low
45
✔
ns
tWST19a
DSTRB or ASTRB Active from WAIT Low
65
✔
ns
tWEST
DSTRB or ASTRB Active after WRITE Active
10
✔✔
ns
tWPDH
PD7
−0 Hold after WRITE Inactive
0
✔✔
ns
tWPDS
PD7
−0 Valid after WRITE Active
15
✔✔
ns
tEPDW
PD7
−0 Valid Width
80
✔✔
ns
tEPDH
PD7
−0 Hold after DSTRB or ASTRB Inactive
0
✔✔
ns
tPDS
tPDH
tSW
BUSY
ACK
PD7
−0
STB
WRITE
DSTRB
ASTRB
PD7
−0
WAIT
Valid
tWW19ia
tWPDH
tEPDH
tEPDW
or
tWW19a
tWST19a
tWPDS
tWEST
tWST19a



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