Capacitance, Ac characteristics, Power-up timing – Rainbow Electronics W29C020C User Manual
Page 11: Ac test conditions, Ac test load and waveform
W29C020C
Publication Release Date: April 1999
- 11 -
Revision A1
Power-up Timing
PARAMETER
SYMBOL
TYPICAL
UNIT
Power-up to Read Operation
T
PU
. READ
100
µ
S
Power-up to Write Operation
T
PU
. WRITE
5
mS
CAPACITANCE
(V
DD
= 5.0V, T
A
= 25
°
C, f = 1 MHz)
PARAMETER
SYMBOL
CONDITIONS
MAX.
UNIT
DQ Pin Capacitance
C
DQ
V
DQ
= 0V
12
pF
Input Pin Capacitance
C
IN
V
IN
= 0V
6
pF
AC CHARACTERISTICS
AC Test Conditions
(V
DD
= 5.0V
±
10
%
for 90 nS and 120 nS; V
DD
= 5.0V
±
5% for 70 nS)
PARAMETER
CONDITIONS
Input Pulse Levels
0V to 3V
Input Rise/Fall Time
<5 nS
Input/Output Timing Level
1.5V/1.5V
Output Load
1 TTL Gate and C
L
= 100 pF for 90/120 nS
C
L
= 30 pF for 70 nS
AC Test Load and Waveform
+5V
1.8K
1.3K
D
OUT
Ω
Ω
100 pF for 90/120 nS
30 pF for 70 nS
(Including Jig and Scope)
Input
3V
0V
Test Point
Test Point
1.5V
1.5V
Output