PIC17C756A MICROCHIP [Microchip Technology], PIC17C756A Datasheet - Page 266

• Manufacturer Part Number: PIC17C756A
• Description: High-Performance 8-bit CMOS EPROM Microcontrollers with 10-bit A/D
• Manufacturer: MICROCHIP [Microchip Technology]

PIC17C7XX
FIGURE 20-25:
TABLE 20-21: MEMORY INTERFACE READ REQUIREMENTS
DS30289B-page 266
Param.
No.
150
151
160
161
162
163
164
165
166
167
168
†
AD<15:0>
OSC1
ALE
WR
TadV2alL
TalL2adI
TadZ2oeL
ToeH2ad
D
TadV2oeH Data in valid before OE
ToeH2adI
TalH
ToeL
TalH2alH
Tacc
Toe
OE
Data in “Typ” column is at 5V, 25
Sym
’1’
AD15:AD0 (address) valid to
ALE
ALE to address out invalid
(address hold time)
AD15:AD0 hi-impedance to
OE
OE to AD15:AD0 driven
(data setup time)
OE to data in invalid
(data hold time)
ALE pulse width
OE pulse width
ALE to ALE (cycle time)
Address access time
Output enable access time
(OE low to data valid)
MEMORY INTERFACE READ TIMING
Q1
(address setup time)
Characteristic
Q2
164
°
Addr out
C unless otherwise stated.
150
PIC17CXXX
PIC17LCXXX
PIC17CXXX
PIC17LCXXX
PIC17CXXX
PIC17LCXXX
PIC17CXXX
PIC17LCXXX
PIC17CXXX
PIC17LCXXX
PIC17CXXX
PIC17LCXXX
PIC17CXXX
PIC17LCXXX
PIC17CXXX
PIC17LCXXX
PIC17CXXX
PIC17LCXXX
PIC17CXXX
PIC17LCXXX
PIC17CXXX
PIC17LCXXX
167
Q3
151
160
168
0.25T
0.25T
0.25T
0.25T
0.5T
0.5T
166
Min
165
35
45
CY
CY
—
—
—
—
—
—
—
—
CY
CY
CY
CY
5
5
0
0
0
0
- 35
- 35
Data in
- 10
- 10
- 15
- 15
162
Q4
0.25T
0.25T
Typ†
T
T
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
CY
CY
163
CY
CY
Q1
2000 Microchip Technology Inc.
0.75T
0.75T
0.5T
0.5T
Max
CY
CY
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
CY
CY
- 45
- 75
- 30
- 45
161
Addr out
Unit
Q2
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
s
Conditions
’1’