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PIC17C752-08/P Datasheet(PDF) 247 Page - Microchip Technology

Part # PIC17C752-08/P
Description  High-Performance 8-Bit CMOS EPROM Microcontrollers
PDF  320 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC17C752-08/P Datasheet(HTML) 247 Page - Microchip Technology

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© 1997 Microchip Technology Inc.
Preliminary
DS30264A-page 247
PIC17C75X
FIGURE 20-18: MEMORY INTERFACE WRITE TIMING
TABLE 20-19: MEMORY INTERFACE WRITE REQUIREMENTS
Param.
No.
Sym
Characteristic
Min
Typ†
Max Units Conditions
150
TadV2alL
AD<15:0> (address) valid to
PIC17
CXXX 0.25Tcy - 10
—
—
ns
ALE
↓ (address setup time) PIC17
LCXXX
TBD
—
—
151
TalL2adI
ALE
↓ to address out invalid
PIC17
CXXX
0
—
—
ns
(address hold time)
PIC17
LCXXX
TBD
—
—
152
TadV2wrL
Data out valid to WR
↓
PIC17
CXXX 0.25Tcy - 40
—
—
ns
(data setup time)
PIC17
LCXXX
TBD
—
—
153
TwrH2adI
WR
↑ to data out invalid
PIC17
CXXX
—
0.25TCY §—
ns
(data hold time)
PIC17
LCXXX
—
TBD
—
154
TwrL
WR pulse width
PIC17
CXXX
—
0.25TCY §—
ns
PIC17
LCXXX
—
TBD
—
*
These parameters are characterized but not tested.
†
Data in “Typ” column is at 5V, 25
°C unless otherwise stated. These parameters are for design guidance only and are not
tested.
§
This specification ensured by design.
OSC1
ALE
OE
WR
AD<15:0>
Q1
Q2
Q3
Q4
Q1
Q2
150
151
152
153
154
addr out
data out
addr out



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