hm62g18512 Renesas Electronics Corporation., hm62g18512 Datasheet - Page 17

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hm62g18512

Manufacturer Part Number
hm62g18512
Description
8m Synchronous Fast Static Ram 512k-word X 18-bit - Hitachi Semiconductor
Manufacturer
Renesas Electronics Corporation.
Datasheet
TAP AC Characteristics (Ta = 0 to 70 C, [Tj max = 110 C])
Parameter
Test clock cycle time
Test clock high pulse width
Test clock low pulse width
Test mode select setup
Test mode select hold
Capture setup
Capture hold
TDI valid to TCK high
TCK high to TDI don’t care
TCK low to TDO unknown
TCK low to TDO valid
Note:
TAP Test Conditions
Input pulse levels: 0 to 3.0 V
Input and output timing reference levels: 1.5 V
Input rise and fall time: 2 ns (10% to 90%) (typ)
Output Load: See figure
1. t
CS
+ t
CH
defines the minimum pause in RAM I/O pad transitions to assure pad data capture.
DUT
TDO
Symbol
t
t
t
t
t
t
t
t
t
t
t
THTH
THTL
TLTH
MVTH
THMX
CS
CH
DVTH
THDX
TLQX
TLQV
Z
0
= 50
Min
67
30
30
10
10
10
10
10
10
0
V
50
T
= 1.5 V
Max
20
HM62G18512 Series
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Note
1
1
17

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