Synchronous Dual-Port Static RAM Specification Sheet
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 = 590Ω
3.3V
OUTPUT
R2 = 435Ω
C= 30
pF
V
TH
=1.4V
OUTPUT
C= 30 pF
(b) Thévenin Equivalent (Load 1)
(c) Three-State Delay(Load 2)
R1 = 590Ω
R2 = 435Ω
3.3V
OUTPUT
C= 5pF
R
TH
= 250Ω
(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%
3ns
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
(ns) for all -7 access times
Note
13. Test Conditions: C = 10 pF.
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