MCM69F819 Motorola, MCM69F819 Datasheet - Page 10

• Manufacturer Part Number: MCM69F819
• Description: 256K x 18 Bit Flow-Through BurstRAM Synchronous Fast Static RAM
• Manufacturer: Motorola

MCM69F819
10
Input Timing Measurement Reference Level
Input Pulse Levels
Input Rise/Fall Time
NOTES:
READ/WRITE CYCLE TIMING
Cycle Time
Clock High Pulse Width
Clock Low Pulse Width
Clock Access Time
Output Enable to Output
Valid
Clock High to Output Active
Clock High to Output
Change
Output Enable to Output
Active
Output Disable to Q High–Z
Clock High to Q High–Z
Setup Times:
Hold Times:
1. Write is defined as either any SBx and SW low or SGW is low. Chip Enable is defined as SE1 low, SE2 high, and SE3 low whenever ADSP
2. All read and write cycle timings are referenced from K or G.
3. Measured at
4. This parameter is sampled and not 100% tested.
5. At any given voltage and temperature, t KHQZ max is less than t KHQX1 min for a given device and from device to device.
or ADSC is asserted.
P
Parameter
ADSP, ADSC, ADV
ADSP, ADSC, ADV
Chip Enable
Chip Enable
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
200 mV from steady state.
. . . . . . . . . . . . . . . . . . . . . .
Address
Address
Data In
Data In
Write
Write
(V DD = 3.3 V + 10%, – 5%, T A = 0 to 70 C, Unless Otherwise Noted)
t KHADSX
S
Symbol
t KHQX1
t KHQX2
t ADSKH
t WVKH
t KHWX
AC OPERATING CONDITIONS AND CHARACTERISTICS
t KHQV
t GHQZ
t KHKH
t GLQV
t GLQX
t KHQZ
t ADKH
t DVKH
t EVKH
t KHAX
t KHDX
t KHEX
t KHKL
t KLKH
(See Notes 1 and 2)
b l
OUTPUT
. . . . . . . . . . . . . .
MCM69F819–7.5
Min
1.0 V/ns (20 to 80%)
8.5
1.5
0.5
—
—
—
3
3
0
2
0
2
117 MHz
Max
7.5
3.5
3.5
3.5
Figure 2. AC Test Load
—
—
—
—
—
—
—
—
0 to 2.5 V
Z 0 = 50
1.25 V
MCM69F819–8
Min
0.5
10
—
—
—
4
4
0
2
0
2
2
100 MHz
Output Timing Reference Level
Output Load
Max
3.5
3.5
3.5
—
—
—
—
—
—
—
—
8
1.25 V
MCM69F819–8.5
Min
R L = 50
4.5
4.5
0.5
11
—
—
—
0
2
0
2
2
. . . . . . . . . . . . . .
90 MHz
Max
8.5
3.5
3.5
3.5
—
—
—
—
—
—
—
—
See Figure 2 Unless Otherwise Noted
MCM69F819–11
. . . . . . . . . . . . . . . . . . . . . . . . .
Min
4.5
4.5
0.5
20
—
—
—
0
2
0
2
2
50 MHz
MOTOROLA FAST SRAM
Max
3.5
3.5
3.5
—
—
—
11
—
—
—
—
—
U i
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
N
Notes
3, 4, 5
3, 4, 5
3, 4
3, 4
3, 4
1.25 V