Cypress CY7C1305BV25 - Manual (Page 18)

CY7C1307BV25
CY7C1305BV25
Document #: 38-05630 Rev. *A Page 18 of 21
Switching Characteristics Over the Operating Range
[23]
Cypress
Parameter
Consortium
Parameter Description
167 MHz
Unit Min. Max.
t
Power
[24] V
CC
(typical) to the First Access Read or Write 10
µs
Cycle Time
t
CYC
t
KHKH
K Clock and C Clock Cycle Time 6.0 ns
t
KH
t
KHKL
Input Clock (K/K and C/C) HIGH 2.4 ns
t
KL
t
KLKH
Input Clock (K/K and C/C) LOW 2.4 ns
t
KHKH
t
KHKH
K/K Clock Rise to K/K Clock Rise and C/C to C/C Rise (rising edge
to rising edge) 2.7 3.3 ns
t
KHCH
t
KHCH
K/K Clock Rise to C/C Clock Rise (rising edge to rising edge) 0.0 2.0 ns
Set-up Times
t
SA
t
SA
Address Set-up to Clock (K and K) Rise 0.7 ns
t
SC
t
SC
Control Set-up to Clock (K and K) Rise (RPS, WPS, BWS
0
, BWS
1
) 0.7 ns
t
SD
t
SD
D
[x:0]
Set-up to Clock (K and K) Rise 0.7 ns
Hold Times
t
HA
t
HA
Address Hold after Clock (K and K) Rise 0.7 ns
t
HC
t
HC
Control Signals Hold after Clock (K and K) Rise
(RPS, WPS, BWS
0
, BWS
1
)
0.7 ns
t
HD
t
HD
D
[x:0]
Hold after Clock (K and K) Rise 0.7 ns
Output Times
t
CO
t
CHQV
C/C Clock Rise (or K/K in single clock mode) to Data Valid
[25]
2.5 ns
t
DOH
t
CHQX
Data Output Hold after Output C/C Clock Rise (Active to Active) 1.2 ns
t
CHZ
t
CHZ
Clock (C and C) rise to High-Z (Active to High-Z) [25, 26] 2.5 ns
t
CLZ
t
CLZ
Clock (C and C) rise to Low-Z
[25, 26]
1.2 ns
Notes:
23. Unless otherwise noted, test conditions assume signal transition time of 2V/ns, timing reference levels of 0.75V,V
REF
= 0.75V, RQ = 250
Ω
, V
DDQ
= 1.5V, input
pulse levels of 0.25V to 1.25V, and output loading of the specified I
OL
/I
OH
and load capacitance shown in (a) of AC Test Loads.
24. This part has a voltage regulator that steps down the voltage internally; t
Power
is the time power needs to be supplied above V
DD
minimum initially before a Read
or Write operation can be initiated.
25. At any given voltage and temperature t
CHZ
is less than t
CLZ
and, t
CHZ
less than t
CO
.
26. t
CHZ
, t
CLZ
, are specified with a load capacitance of 5 pF as in part (b) of AC Test Loads. Transition is measured ± 100 mV from steady-state voltage.
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