R1LP0408C Datasheet, PDF (7/14 Pages) Hitachi Semiconductor – Wide Temperature Range Version 4 M SRAM (512-kword × 8-bit)

R1LP0408C-I Series
AC Characteristics
(Ta = −40 to +85°C, V_CC = 5 V ± 10%, unless otherwise noted.)
Test Conditions
• Input pulse levels: V_IL = 0.4 V, V_IH = 2.4 V
• Input rise and fall time: 5 ns
• Input and output timing reference levels: 1.5 V
• Output load: 1 TTL Gate + C_L (50 pF) (R1LP0408C-5I)
1 TTL Gate + C_L (100 pF) (R1LP0408C-7I)
(Including scope and jig)
Read Cycle
Parameter
Read cycle time
Address access time
Chip select access time
Output enable to output valid
Chip select to output in low-Z
Output enable to output in low-Z
Chip deselect to output in high-Z
Output disable to output in high-Z
Output hold from address change
R1LP0408C-I
-5
-7
Symbol Min Max Min
t_RC
55

70
t_AA

55

t_CO

55

t_OE

25

t_LZ
10

10
t_OLZ
5

5
t_HZ
0
20
0
t_OHZ
0
20
0
t_OH
10

10
Max Unit Notes

ns
70
ns
70
ns
35
ns

ns
2

ns
2
25
ns
1, 2
25
ns
1, 2

ns
Rev.1.00, Aug.01.2003, page 7 of 13