AC Test Loads and Waveforms[4]
CY7C1021CV33
8-ns devices:
OUTPUT
Z = 50Ω
* CAPACITIVE LOAD CONSISTS
OF ALL COMPONENTS OF THE
TEST ENVIRONMENT
50 Ω
1.5V
(a)
30 pF*
10-, 12-, 15-ns devices: R 317Ω
3.3V
OUTPUT
30 pF
R2
351Ω
(b)
3.0V
GND
ALL INPUT PULSES
90%
90%
10%
10%
Rise Time: 1 V/ns
(c)
Fall Time: 1 V/ns
High-Z characteristics:
3.3V
R 317Ω
OUTPUT
5 pF
R2
351Ω
(d)
Note:
4. AC characteristics (except High-Z) for all 8-ns parts are tested using the load conditions shown in Figure (a). All other speeds are tested using the Thevenin
load shown in Figure (b). High-Z characteristics are tested for all speeds using the test load shown in Figure (d).
Document #: 38-05132 Rev. *C
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