C167CR
C167SR
Parameter Interpretation
The parameters listed in the following partly represent the characteristics of the C167CR
and partly its demands on the system. To aid in interpreting the parameters right, when
evaluating them for a design, they are marked in column “Symbol”:
CC (Controller Characteristics):
The logic of the C167CR will provide signals with the respective timing characteristics.
SR (System Requirement):
The external system must provide signals with the respective timing characteristics to
the C167CR.
DC Characteristics
(Operating Conditions apply)1)
Parameter
Symbol
Limit Values Unit Test Condition
min.
max.
Input low voltage (TTL,
all except XTAL1)
VIL SR -0.5
0.2 VDD
- 0.1
V
–
Input low voltage XTAL1
VIL2 SR -0.5
0.3 VDD
V
V
–
–
Input low voltage
VILS SR -0.5
2.0
(Special Threshold)
Input high voltage (TTL,
all except RSTIN and XTAL1)
VIH SR 0.2 VDD VDD
+ 0.9 0.5
+
+
+
+
V
V
V
V
–
–
–
–
Input high voltage RSTIN
(when operated as input)
VIH1 SR 0.6 VDD VDD
0.5
Input high voltage XTAL1
VIH2 SR 0.7 VDD VDD
0.5
Input high voltage
(Special Threshold)
VIHS SR 0.8 VDD VDD
- 0.2
0.5
Input Hysteresis
HYS
400
–
mV Series resistance
(Special Threshold)
= 0 Ω
Output low voltage
VOL CC –
0.45
0.45
V
I
OL = 2.4 mA
(PORT0, PORT1, Port 4, ALE,
RD, WR, BHE, CLKOUT,
RSTOUT, RSTIN2))
Output low voltage
(all other outputs)
VOL1CC –
V
I
OL = 1.6 mA
Data Sheet
45
V3.2, 2001-07
INFINEON [ Infineon ]
