P89C738ABB View Datasheet(PDF) - Philips Electronics
Part Name
Description
MFG CO.
'P89C738ABB' PDF : 64 Pages View PDF
Philips Semiconductors
8-bit Flash microcontrollers
Product specification
P89C738; P89C739
30
handbook, halfpage
IDD
(mA)
20
MGK205
maximum active mode
typical active mode
10
maximum Idle mode
0
0
4
typical Idle mode
8
12
16
20
frequency (MHz)
Fig.28 IDD as function of frequency; valid only within frequency specifications of the device under test.
21 AC CHARACTERISTICS
VDD = 5 V ±10%; VSS = 0 V; Tamb = 0 to +70 °C; tclk(min) = 63 ns; Cl = 100 pF for Port 0, ALE and PSEN; Cl = 80 pF for
all other outputs unless otherwise specified; tclk(min) = 1/fclk(max); fclk = clock frequency; tclk = clock period.
12 MHz
16 MHz
24 MHz
40 MHz VARIABLE CLOCK(1)
SYMBOL PARAMETER
UNIT
MIN. MAX. MIN. MAX. MIN. MAX. MIN. MAX. MIN.
MAX.
External program memory
tLHLL
ALE pulse
duration
127 −
85 −
43 −
tAVLL
address set-up 28 −
time to ALE
8−
23 −
tLLAX
address hold 48 −
time after ALE
28 −
21 −
tLLIV
time from ALE to − 233 − 150 − 95
valid instruction
input
tLLPL
time from ALE to 43 −
control pulse
PSEN
23 −
28 −
tPLPH
control pulse
205 −
duration PSEN
143 −
90 −
tPLIV
time from PSEN − 145 − 83 − 55
to valid
instruction input
35 −
10 −
10 −
− 55
10 −
60 −
− 25
2tclk − 40 −
ns
tclk − 55 −
ns
tclk − 35 −
ns
−
4tclk − 100 ns
tclk − 40 −
ns
3tclk − 45 −
ns
−
3tclk − 105 ns
1998 Apr 07
52
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