P89V51RD2 Philips Semiconductors, P89V51RD2 Datasheet - Page 68

• Manufacturer Part Number: P89V51RD2
• Description: 8-bit 80C51 5 V low power 64 kB Flash microcontroller with 1 kB RAM
• Manufacturer: Philips Semiconductors

Philips Semiconductors
9397 750 12964
Product data
Fig 35. AC testing input/output test waveform.
Fig 36. Float waveform.
Fig 37. Test load example.
AC inputs during testing are driven at V
points for inputs and outputs are at V
For timing purposes, a port pin is no longer floating when a 100 mV change from load voltage occurs, and begins to float when
a 100 mV change from the loaded V
V IHT
V ILT
V LOAD
V LOAD + 0.1V
V LOAD - 0.1V
OH
HT
/V
IHT
(0.2V
OL
(V
level occurs. I
DD
DD
to DUT
+ 0.9) and V
0.5 V) for logic 1 and V
Rev. 01 — 01 March 2004
V HT
V LT
OH
Timing Reference
/I
LT
OL
Points
(0.2V
to tester
=
20 mA.
DD
Note: V HT - V HIGH Test
ILT
0.1)
002aaa555
V LT - V LOW Test
V IHT -V INPUT HIGH Test
V ILT - V INPUT LOW Test
(0.45 V) for a logic 0. Measurement reference
C L
8-bit microcontrollers with 80C51 core
V OH - 0.1V
V OL + 0.1V
002aaa553
002aaa554
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
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