Cypress CY7C09079V - Manual (Page 6)

CY7C09079V/89V/99V
CY7C09179V/89V/99V
Document #: 38-06043 Rev. *C Page 6 of 21
Figure 4. AC Test Loads (Applicable to -6 and -7 only) [13]
Figure 5. Load Derating Curve
Figure 3. AC Test Loads
(a) Normal Load (Load 1)
R1 = 590 Ω
3.3V
OUTPUT
R2 = 435 Ω
C = 30 pF
V
TH
= 1.4V
OUTPUT
C = 30 pF
(b) Thévenin Equivalent (Load 1) (c) Three-State Delay(Load 2)
R1 = 590 Ω
R2 = 435 Ω
3.3V
OUTPUT
C = 5 pF
R
TH
= 250 Ω
(Used for t
CKLZ
, t
OLZ
, & t
OHZ
including scope and jig)
V
TH
= 1.4V
OUTPUT
C
(a) Load 1 (-6 and -7 only)
R = 50 Ω Z
0
= 50 Ω
3.0V
GND
90%
90%
10%
3 ns 3 ns
10%
ALL INPUT PULSES
≤ ≤
0. 00
0. 1 0
0. 20
0. 30
0. 40
0. 50
0. 60
1 0 1 5 20 25 30 35
Capacitance (pF)
Δ
(n
s) for a
ll -7 a
cc
e
ss
tim
es
Note
13. Test Conditions: C = 10 pF.
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