PIC17C42-25/JW Microchip Technology, PIC17C42-25/JW Datasheet - Page 161
PIC17C42-25/JW
Manufacturer Part Number
PIC17C42-25/JW
Description
MICRO CTRL 2K X 16 EPROM 40 CDIP
Manufacturer
Microchip Technology
Series
PIC® 17Cr
Specifications of PIC17C42-25/JW
Core Processor
PIC
Core Size
8-Bit
Speed
25MHz
Connectivity
UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
33
Program Memory Size
4KB (2K x 16)
Program Memory Type
EPROM, UV
Ram Size
232 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Oscillator Type
External
Operating Temperature
0°C ~ 70°C
Package / Case
40-CDIP (0.600", 15.24mm) Window
For Use With
AC174001 - MODULE SKT PROMATEII 40DIP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Other names
PIC17C42/JW
- Current page: 161 of 241
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FIGURE 17-11: MEMORY INTERFACE WRITE TIMING
TABLE 17-11: MEMORY INTERFACE WRITE REQUIREMENTS
1996 Microchip Technology Inc.
*
†
§
AD<15:0>
Parameter
150
151
152
153
154
No.
OSC1
ALE
WR
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 is guaranteed by design.
OE
Sym
TadV2alL
TalL2adI
TadV2wrL
TwrH2adI
TwrL
Q1
Characteristic
AD<15:0> (address) valid to ALE
(address setup time)
ALE to address out invalid
(address hold time)
Data out valid to WR
(data setup time)
WR
(data hold time)
WR pulse width
to data out invalid
Q2
addr out
150
Q3
151
152
Applicable Devices 42 R42 42A 43 R43 44
0.25Tcy - 30
0.25Tcy - 40
Min
—
—
0
Q4
154
data out
0.25T
0.25T
Typ†
—
—
—
CY
CY
Q1
§
§
153
PIC17C4X
Max
—
—
—
—
—
DS30412C-page 161
Units Conditions
ns
ns
ns
ns
ns
Q2
addr out
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