hm5216805 Renesas Electronics Corporation., hm5216805 Datasheet - Page 43

• Manufacturer Part Number: hm5216805
• Description: 16 M Lvttl Interface Sdram 100 Mhz/83 Mhz 1-mword 8-bit 2-bank/2-mword 4-bit 2-bank - Hitachi Semiconductor
• Manufacturer: Renesas Electronics Corporation.

AC Characteristics (Ta = 0 to 70 C, V
Parameter
System clock cycle time
CLK high pulse width
CLK low pulse width
Access time from CLK
Data-out hold time
CLK to Data-out low impedance
CLK to Data-out high impedance
Data-in setup time
Data in hold time
Address setup time
Address hold time
CKE setup time
CKE setup time for power down exit
CKE hold time
Command (CS, RAS, CAS, WE, DQM)
setup time
Command (CS, RAS, CAS, WE, DQM)
hold time
(CAS latency = 1)
(CAS latency = 2)
(CAS latency = 3)
(CAS latency = 1)
(CAS latency = 2)
(CAS latency = 3)
(CAS latency = 1)
(CAS latency = 2, 3)
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
CK
CK
CK
CKH
CKL
AC
AC
AC
OH
LZ
HZ
HZ
DS
DH
AS
AH
CES
CESP
CEH
CS
CH
CC
HM5216805 Series, HM5216405 Series
, V
HM5216805/HM5216405
-10H
Min
30
15
10
3
3
—
—
—
3
0
—
—
2
1
2
1
2
2
1
2
1
CC
Q = 3.3 V 0.3 V, V
Max
—
—
—
—
—
27
9.0
7.5
—
—
13
7
—
—
—
—
—
—
—
—
—
-12
Min
36
18
12
4
4
—
—
—
3
0
—
—
3
1
3
1
3
3
1
3
1
SS
Max
—
—
—
—
—
32
12
9
—
—
15
9
—
—
—
—
—
—
—
—
—
, V
SS
Q = 0 V)
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Notes
1
1
1
1, 2
1, 2
1, 2, 3
1, 4
1
1
1
1
1, 5
1
1
1
1
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